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| 36-75 vdc dc/dc converter output up to 20 a/50 w pkm 4000e series contents product program 2 quality statement 2 limitation of liability 2 mechanical information 3 mechanical information hs-option 4 absolute maximum ratings 5 input 5 safety specification 6 product qualification specification 7 pkm 4218le pi - 1 2 v data 8 pkm 4318he pi - 1 5 v data 11 pkm 4318ge pi - 1 8 v data 14 pkm 4319e pi - 2 5 v data 17 pkm 4510e pi - 3 3 v data 20 pkm 4511e pi - 5 0 v data 23 pkm 4513e pi - 12 v data 26 pkm 4515e pi - 15 v data 29 emc specification 3 2 operating information 3 3 thermal consideration 3 5 soldering information 3 6 delivery package information 3 6 compatibility with rohs requirements 3 6 reliability 3 6 sales offices and contact information 3 7 datasheet the pkm 4000e series of high efficiency dc/dc converters are designed to provide high quality on-board power solutions in distributed power architectures used in internetworking equipment in wireless and wired communications applications the pkm 4000e series has industry standard quarter brick footprint and pin-out and is only 8 5 mm (0 33 in) high this makes it extremely well suited for narrow board pitch applications with board spacing down to 15 mm (0 6 in) the pkm 4000e series uses patented synchronous rectification technology and achieves an efficiency up to 90% at full load ericssons pkm 4000e series addresses both the industrial and the emerging telecom market for applications in the multi- service network by specifying the input voltage range in accordance with etsi specifications included as standard features are output over-voltage protection, input under- voltage protection, over temperature protection, soft-start, output short circuit protection, remote sense, remote control, and output voltage adjust function these converters are designed to meet high reliability requirements and are manufactured in highly automated manufacturing lines and meet world-class quality levels ericsson power modules is an iso 9001/14001 certified supplier key features ? industry standard quarter-brick 57 9 x 36 8 x 8 5 mm (2 28 x 1 45 x 0 33 in) ? high efficiency, typ 90 % at 3 3 vout half load ? 1500 vdc input to output isolation, meets isolation requirements equivalent to basic insulation according to iec/en/ul 60950 ? more than 7 0 million hours predicted mtbf at +40 oc ambient temperature e 3 p ) 4 d p n q b u j c m f
en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet product program quality statement the pkm 4000e dc/dc converters are designed and manufactured in an industrial environment where quality systems and methods like iso 9000, 6 (sigma), and spc are intensively in use to boost the continuous improvements strategy infant mortality or early failures in the products are screened out and they are subjected to an ate-based final test conservative design rules, design reviews and product qualifications, plus the high competence of an engaged work force, contribute to the high quality of our products limitation of liability ericsson power modules does not make any other warranties, expressed or implied including any warranty of merchantability or fitness for a particular purpose (including, but not limited to, use in life support applications, where malfunctions of product can cause injury to a person's health or life) v i v o /i o max p o max ordering no comment output 1 48/60 1 2 v/20 a 24w pkm 4218le pi 48/60 1 5 v/20 a 30w pkm 4318he pi 48/60 1 8 v/20 a 36w pkm 4318ge pi 48/60 2 5v/15 a 37 5w pkm 4319e pi 48/60 3 3 v/15 a 50w pkm 4510e pi 48/60 5 0 v/10 a 50w pkm 4511e pi 48/60 12 v/4 2 a 50w pkm 4513e pi 48/60 15 v/3 3 a 50w pkm 4515e pi option suffix example positive remote control logic p pkm 4510e pip heatsink hs pkm 4510e pihs lead length 3 69 mm (0 145 in) la pkm 4510e pila note: as an example a positive logic, heatsink, short pin product would be pkm 4510e piphsla for more information about the complete product program, please refer to our website: www ericsson com/powermodules en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet mechanical information en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet mechanical information hs-option en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet fundamental circuit diagram absolute maximum ratings characteristics conditions min typ max unit v i input voltage range 35 75 vdc v ioff turn-off input voltage ramping from higher voltage 30 vdc v ion turn-on input voltage ramping from lower voltage 33 5 vdc c i input capacitance 1 f p ii input idling power i o = 0, v i = 53 v 2 w p rc input standby power (turned off with rc) v i = 53 v, rc activated 0 25 w input t pcb en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet characteristics random vibration iec 68-2-64 f h frequency spectral density duration 10 500 hz 0 07 g 2 /hz 10 min each direction sinusoidal vibration iec 68-2-6 f c frequency amplitude acceleration number of cycles 10 500 hz 0 75 mm 10 g 10 in each axis mechanical shock (half sinus) iec 68-2-27 e a peak acceleration duration pulse shape 100 g 6 ms half sine temperature cycling iec 68-2-14 n a temperature number of cycles -40 ... +100 ?c 300 heat/humidity iec 68-2-3 c a temperature humidity duration +85 ?c 85 % rh 1000 hours solder heat stability iec 68-2-20 t b 1a temperature, solder duration 260 ?c 10 13 s resistance to cleaning agents iec 68-2-45 xa method 2 water isopropyl alcohol glycol ether method +55 5 ?c +35 5 ?c +35 5 ?c with rubbing storage test iec 68-2-2 b a temperature duration 125 ?c 1000 h cold (in operation) iec 68-2-1 a d temperature, t a duration -45 ?c 2 h operational life test duration 1000 h product qualification specification en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet characteristics conditions output unit min typ max v oi output voltage initial setting and accuracy i o max, v i = 53 v, t pcb = 25 ?c 1 175 1 2 1 225 v output adjust range i o max, v i = 53 v, t pcb = 25 ?c 1 08 1 32 v v o output voltage tolerance band i o = (0 1 1 0) x i o max 1 165 1 235 v idling voltage i o = 0 1 175 1 225 v line regulation i o max 5 mv load regulation i o = (0 01 1 0) i o max, v i = 53 v 5 mv v tr load transient voltage deviation i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 mv t tr load transient recovery time i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 s t r ramp-up time i o = (0 1 1 0) i o max, v i = 53 v (0 1 0 9) v o nom 6 10 ms t s start-up time i o = (0 1 1 0) i o max, v i = 53 v v i connection to 0 9 x v o nom 9 15 ms i o output current 0 20 a p o max max output power at v o = v o nom 24 w i lim current limit threshold t pcb < t pcb max 26 a i sc short circuit current t pcb = 25 c, v o < 0 5v 30 a v o ac output ripple & noise see ripple and noise, i o max, v o nom, 35 60 mv p-p svr supply voltage rejection (ac) t pcb = 25 c, f = 100 hz sinewave , 1 vpp, v i = 53 v 67 db ovp over voltage protection v i = 53 v i o = (0 1 1 0) i o max 1 5 2 5 v t pcb = -40 +90 oc and v i = 3675v, sense pins connected to output pins unless otherwise specified miscellaneous characteristics conditions min typ max unit efficiency - 50% load t pcb = +25 c, v i = 48 v, i o = 0 5 x i omax 84 5 % efficiency - 100% load t pcb = +25 c, v i = 48 v, i o = i omax 83 % efficiency - 50% load t pcb = +25 c, v i = 53 v, i o = 0 5 x i omax 84 % efficiency - 100% load t pcb = +25 c, v i = 53 v, i o = i omax 81 84 % p d power dissipation i o max, v i = 53 v, t pcb = 25 ?c 5 w f s switching frequency 180 khz pkm 1le pi output en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet efficiency output current derating pkm 1le pi typical characteristics available load current vs ambient air temperature and airflow at vin=53 v dc/dc converter mounted vertically with airflow and test conditions as per the thermal consideration section efficiency vs load current and input voltage at t pcb =+25 c 0 4 8 12 16 20 70 75 80 85 90 [a] [%] 36 v 48 v 53 v 75 v 0 20 40 60 80 100 0 4 8 12 16 20 [c] [a] 1.0 m/s (200 lfm) nat. conv. 3.0 m/s (600 lfm) 2.5 m/s (500 lfm) 2.0 m/s (400 lfm) 1.5 m/s (300 lfm) output characteristic output voltage vs load current at t pcb =+25 c, vin=53 v 0 4 8 12 16 20 1,10 1,15 1,20 1,25 1,30 [a] [v] power dissipation 0 5 10 15 20 0 1 2 3 4 5 6 [a] [w] 36 v 48 v 53 v 75 v dissipated power vs load current and input voltage at t pcb =+25 c thermal resistance 0,0 0,5 1,0 1,5 2,0 2,5 3,0 0 2 4 6 8 10 [m/s] [c/w] thermal resistance vs airspeed measured at the converter tested in windtunnel with airflow and test conditions as per the thermal consideration section heatsink (hs) option the pkm4000e series dc/dc converters can be ordered with a heatsink (hs) option the heatsink option have approximately 5 c improved derating compared with the pkm4000e without heatsink the hs option is intended to be mounted on a cold wall to transfer heat away from the converter 10 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet pkm 1le pi typical characteristics output ripple transient output voltage ripple (5mv/div ) at t pcb =+25 c, vin=53 v, io=20a resistive load with c=10 f tantalum and 0 1 f ceramic capacitors band width=20mhz time scale: 2 s / div output voltage response to load current step-change (5-15-5 a) at t pcb =+25 c, vin=53 v top trace: load current (5 a/div ) bottom trace: output voltage (100mv/div ) time scale: 0 1 ms/div output voltage adjust (see operating information) start-up turn-off start-up at io=20a resistive load at t pcb =+25 c, vin=53 v start enabled by connecting vin top trace: input voltage (20 v/div ) bottom trace: output voltage (0 5 v/div ) time scale: 5 ms/div turn-off at io=20a resistive load at t pcb =+25 c, vin=53 v turn-off enabled by disconnecting vin top trace: input voltage (20mv/div ) bottom trace: output voltage (0 5 v/div ) time scale: 500 s/div the resistor value for an adjusted output voltage is calculated by using the following equations: output voltage adjust upwards, increase: eg increase 4% =>v out = 1 248 v dc 8.85x(100+ %)x9.1x1.2 21.1x %x1.225 - 5.11 kohm r adj = 8.85x(100+ 4 )x9.1x1.2 21.1x 4 x1.225 - 5.11 kohm r adj = = 92 kohm 1 1 12 9.1 + 100 100- % -1 1 - 5.11 kohm r adj = 1 1 12 9.1 + 100 100-4 -1 1 - 5.11 kohm r adj = = 119.1 kohm output voltage adjust downwards, decrease: eg decrease 4% =>v out = 1 152 v dc 11 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet characteristics conditions output unit min typ max v oi output voltage initial setting and accuracy i o max, v i = 53 v, t pcb = 25 ?c 1 468 1 5 1 532 v output adjust range i o max, v i = 53 v, t pcb = 25 ?c 1 35 1 65 v v o output voltage tolerance band i o = (0 1 1 0) x i o max 1 455 1 545 v idling voltage i o = 0 1 455 1 545 v line regulation i o max 5 mv load regulation i o = (0 01 1 0) i o max, v i = 53 v 5 mv v tr load transient voltage deviation i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 mv t tr load transient recovery time i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 s t r ramp-up time i o = (0 1 1 0) i o max, v i = 53 v (0 1 0 9) v o nom 5 10 ms t s start-up time i o = (0 1 1 0) i o max, v i = 53 v v i connection to 0 9 x v o nom 7 5 15 ms i o output current 0 20 a p o max max output power at v o = v o nom 30 w i lim current limit threshold t pcb < t pcb max 25 a i sc short circuit current t pcb = 25 c, v o < 0 5v 28 5 a v o ac output ripple & noise see ripple and noise, i o max, v o nom, 35 60 mv p-p svr supply voltage rejection (ac) t pcb = 25 c, f = 100 hz sinewave , 1 vpp, v i = 53 v 67 db ovp over voltage protection v i = 53 v i o = (0 1 1 0) i o max 1 8 2 5 v t pcb = -40 +90 oc and v i = 3675v, sense pins connected to output pins unless otherwise specified pkm 1he pi output miscellaneous characteristics conditions min typ max unit efficiency - 50% load t pcb = +25 c, v i = 48 v, i o = 0 5 x i omax 86 % efficiency - 100% load t pcb = +25 c, v i = 48 v, i o = i omax 85 5 % efficiency - 50% load t pcb = +25 c, v i = 53 v, i o = 0 5 x i omax 86 % efficiency - 100% load t pcb = +25 c, v i = 53 v, i o = i omax 83 5 85 5 % p d power dissipation i o max, v i = 53 v, t pcb = 25 ?c 5 2 w f s switching frequency 180 khz 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet efficiency output current derating pkm 1he pi typical characteristics available load current vs ambient air temperature and airflow at vin=53 v dc/dc converter mounted vertically with airflow and test conditions as per the thermal consideration section efficiency vs load current and input voltage at t pcb =+25 c < " > < > 7 7 7 7 < ? $ > < " > n t m g n / b u $ p o w n t m g n n t m g n n t m g n n t m g n output characteristic output voltage vs load current at t pcb =+25 c, vin=53 v < " > < 7 > power dissipation < " > < 8 > 7 7 7 7 dissipated power vs load current and input voltage at t pcb =+25 c thermal resistance < n t > < ? $ 8 > thermal resistance vs airspeed measured at the converter tested in windtunnel with airflow and test conditions as per the thermal consideration section heatsink (hs) option the pkm4000e series dc/dc converters can be ordered with a heatsink (hs) option the heatsink option have approximately 5 c improved derating compared with the pkm4000e without heatsink the hs option is intended to be mounted on a cold wall to transfer heat away from the converter 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet pkm 1he pi typical characteristics output ripple transient output voltage ripple (50mv/div ) at t pcb =+25 c, vin=53 v, io=20a resistive load with c=10 f tantalum and 0 1 f ceramic capacitors band width=20mhz time scale: 2 s / div output voltage response to load current step-change (5-15-5 a) at t pcb =+25 c, vin=53 v top trace: output voltage (100mv/div ) bottom trace: load current (5 a/div ) time scale: 0 1 ms/div output voltage adjust output voltage adjust resistor value vs percentage change in output voltage % f d s f b t f * o d s f b t f < l 0 i n > < > output voltage adjust the resistor value for an adjusted output voltage is calculated by using the following equations: output voltage adjust upwards, increase: r adj = 5 11 [1 5 (100+ %) / 1 225 %- (100+2 %) / % ] kohm output voltage adjust downwards, decrease: r adj = 5 11 [ (100 / %-2) ] kohm eg increase 4% =>v out = 1 56 v dc 5 11 [1 5 (100+4)/(1 225x4)-(100+2x4)/4 ] =24 7 kohm eg decrease 2% =>v out = 1 47 v dc 5 11 x(100/2-2)=245 3 kohm start-up turn-off start-up at io=20a resistive load at t pcb =+25 c, vin=53 v start enabled by connecting vin top trace: input voltage (10 v/div ) bottom trace: output voltage (0 5 v/div ) time scale: 5 ms/div turn-off at io=10a resistive load at t pcb =+25 c, vin=53 v turn-off enabled by disconnecting vin output voltage (0 5 v/div ) time scale: 20 s/div 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet characteristics conditions output unit min typ max v oi output voltage initial setting and accuracy i o max, v i = 53 v, t pcb = 25 ?c 1 77 1 80 1 83 v output adjust range i o max, v i = 53 v, t pcb = 25 ?c 1 62 1 98 v v o output voltage tolerance band i o = (0 1 1 0) x i o max 1 75 1 85 v idling voltage i o = 0 1 75 1 85 v line regulation i o max 5 mv load regulation i o = (0 01 1 0) i o max, v i = 53 v 5 mv v tr load transient voltage deviation i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 150 mv t tr load transient recovery time i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 s t r ramp-up time i o = (0 1 1 0) i o max, v i = 53 v (0 1 0 9) v o nom 5 10 ms t s start-up time i o = (0 1 1 0) i o max, v i = 53 v v i connection to 0 9 x v o nom 7 5 15 ms i o output current 0 20 a p o max max output power at v o = v o nom 36 w i lim current limit threshold t pcb < t pcb max 25 a i sc short circuit current t pcb = 25 c, v o < 0 5v 30 a v o ac output ripple & noise see ripple and noise, i o max, v o nom, 35 50 mv p-p svr supply voltage rejection (ac) t pcb = 25 c, f = 100 hz sinewave , 1 vpp, v i = 53 v 67 db ovp over voltage protection v i = 53 v i o = (0 1 1 0) i o max 2 1 2 9 v t pcb = -40 +90 oc and v i = 3675v, sense pins connected to output pins unless otherwise specified pkm 1ge pi output miscellaneous characteristics conditions min typ max unit efficiency - 50% load t pcb = +25 c, v i = 48 v, i o = 0 5 x i omax 86 5 % efficiency - 100% load t pcb = +25 c, v i = 48 v, i o = i omax 85 % efficiency - 50% load t pcb = +25 c, v i = 53 v, i o = 0 5 x i omax 86 5 % efficiency - 100% load t pcb = +25 c, v i = 53 v, i o = i omax 84 85 5 % p d power dissipation i o max, v i = 53 v, t pcb = 25 ?c 6 w f s switching frequency 180 khz 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet efficiency output current derating pkm 1ge pi typical characteristics available load current vs ambient air temperature and airflow at vin=53 v dc/dc converter mounted vertically with airflow and test conditions as per the thermal consideration section efficiency vs load current and input voltage at t pcb =+25 c < " > < > 7 7 7 7 < ? $ > < " > n t m g n / b u $ p o w n t m g n n t m g n n t m g n n t m g n output characteristic output voltage vs load current at t pcb =+25 c, vin=53 v < " > < 7 > power dissipation < " > < 8 > 7 7 7 7 dissipated power vs load current and input voltage at t pcb =+25 c thermal resistance < n t > < ? $ 8 > thermal resistance vs airspeed measured at the converter tested in windtunnel with airflow and test conditions as per the thermal consideration section heatsink (hs) option the pkm4000e series dc/dc converters can be ordered with a heatsink (hs) option the heatsink option have approximately 5 c improved derating compared with the pkm4000e without heatsink the hs option is intended to be mounted on a cold wall to transfer heat away from the converter 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet pkm 1ge pi typical characteristics output ripple transient output voltage ripple (50mv/div ) at t pcb =+25 c, vin=53 v, io=20a resistive load with c=10 f tantalum and 0 1 f ceramic capacitors band width=20mhz time scale: 2 s / div output voltage response to load current step-change (5-15-5 a) at t pcb =+25 c, vin=53 v top trace: output voltage (200mv/div ) bottom trace: load current (5 a/div ) time scale: 0 1 ms/div output voltage adjust output voltage adjust resistor value vs percentage change in output voltage < l 0 i n > < > % f d s f b t f * o d s f b t f output voltage adjust start-up turn-off start-up at io=20a resistive load at t pcb =+25 c, vin=53 v start enabled by connecting vin top trace: input voltage (10 v/div ) bottom trace: output voltage (0 5 v/div ) time scale: 5 ms/div turn-off at io=20a resistive load at t pcb =+25 c, vin=53 v turn-off enabled by disconnecting vin bot - tom trace: output voltage (0 5 v/div ) top trace: input voltage (20 v/div ) time scale: 5 ms/div the resistor value for an adjusted output voltage is calculated by using the following equations: output voltage adjust upwards, increase: r adj = 5 11 [1 5 (100+ %) / 1 225 %- (100+2 %) / % ] kohm output voltage adjust downwards, decrease: r adj = 5 11 [ (100 / %-2) ] kohm eg increase 4% =>v out = 1 56 v dc 5 11 [1 5 (100+4)/(1 225x4)-(100+2x4)/4 ] =24 7 kohm eg decrease 2% =>v out = 1 47 v dc 5 11 x(100/2-2)=245 3 kohm 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet characteristics conditions output unit min typ max v oi output voltage initial setting and accuracy i o max, v i = 53 v, t pcb = 25 ?c 2 45 2 50 2 55 v output adjust range i o max, v i = 53 v, t pcb = 25 ?c 2 25 2 75 v v o output voltage tolerance band i o = (0 1 1 0) x i o max 2 42 2 58 v idling voltage i o = 0 2 42 2 58 v line regulation i o max 5 mv load regulation i o = (0 01 1 0) i o max, v i = 53 v 5 mv v tr load transient voltage deviation i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 mv t tr load transient recovery time i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 s t r ramp-up time i o = (0 1 1 0) i o max, v i = 53 v (0 1 0 9) v o nom 5 10 ms t s start-up time i o = (0 1 1 0) i o max, v i = 53 v v i connection to 0 9 x v o nom 7 5 15 ms i o output current 0 15 a p o max max output power at v o = v o nom 37 5 w i lim current limit threshold t pcb < t pcb max 18 a i sc short circuit current t pcb = 25 c, v o < 0 5v 23 a v o ac output ripple & noise see ripple and noise, i o max, v o nom, 60 90 mv p-p svr supply voltage rejection (ac) t pcb = 25 c, f = 100 hz sinewave , 1 vpp, v i = 53 v 68 db ovp over voltage protection v i = 53 v i o = (0 1 1 0) i o max 3 5 5 v t pcb = -40 +90 oc and v i = 3675v, sense pins connected to output pins unless otherwise specified pkm 1e pi output miscellaneous characteristics conditions min typ max unit efficiency - 50% load t pcb = +25 c, v i = 48 v, i o = 0 5 x i omax 90 % efficiency - 100% load t pcb = +25 c, v i = 48 v, i o = i omax 89 % efficiency - 50% load t pcb = +25 c, v i = 53 v, i o = 0 5 x i omax 90 % efficiency - 100% load t pcb = +25 c, v i = 53 v, i o = i omax 87 89 % p d power dissipation i o max, v i = 53 v, t pcb = 25 ?c 5 5 w f s switching frequency 180 khz 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet efficiency output current derating pkm 1e pi typical characteristics available load current vs ambient air temperature and airflow at vin=53 v dc/dc converter mounted vertically with airflow and test conditions as per the thermal consideration section efficiency vs load current and input voltage at t pcb =+25 c < " > < > 7 7 7 7 < ? $ > < " > n t m g n / b u $ p o w n t m g n n t m g n n t m g n n t m g n output characteristic output voltage vs load current at t pcb =+25 c, vin=53 v < " > < 7 > power dissipation < " > < 8 > 7 7 7 7 dissipated power vs load current and input voltage at t pcb =+25 c thermal resistance < n t > < ? $ 8 > thermal resistance vs airspeed measured at the converter tested in windtunnel with airflow and test conditions as per the thermal consideration section heatsink (hs) option the pkm4000e series dc/dc converters can be ordered with a heatsink (hs) option the heatsink option have approximately 5 c improved derating compared with the pkm4000e without heatsink the hs option is intended to be mounted on a cold wall to transfer heat away from the converter 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet pkm 1e pi typical characteristics output ripple transient output voltage ripple (50mv/div ) at t pcb =+25 c, vin=53 v, io=15a resistive load with c=10 f tantalum and 0 1 f ceramic capacitors band width=20mhz time scale: 1 s / div output voltage response to load current step-change (3 75-11 25-3 37a) at t pcb =+25 c, vin=53 v top trace: output voltage (50mv/div ) bottom trace: load current (5 a/div ) time scale: 0 1 ms/div output voltage adjust output voltage adjust resistor value vs percentage change in output voltage < l 0 i n > < > % f d s f b t f * o d s f b t f output voltage adjust the resistor value for an adjusted output voltage is calculated by using the following equations: output voltage adjust upwards, increase: r adj = 5 11 [2 5 (100+ %) / 1 225 %- (100+2 %) / % ] kohm output voltage adjust downwards, decrease: r adj = 5 11 [ (100 / %-2) ] kohm eg increase 4% =>v out = 2 6 v dc 5 11 [2 5 (100+4)/(1 225x4)-(100+2x4)/4 ] =133 kohm eg decrease 2% =>v out = 2 45 v dc 5 11 x(100/2-2)=245 3 kohm start-up turn-off start-up at io=15a resistive load at t pcb =+25 c, vin=53 v start enabled by connecting vin top trace: input voltage (10 v/div ) bottom trace: output voltage (1 0 v/div ) time scale: 5 ms/div turn-off at io=15a resistive load at t pcb =+25 c, vin=53 v turn-off enabled by disconnecting vin top trace: output voltage (1 0 v/div ) bottom trace: input voltage (20 v/div ) time scale: 10 ms/div 0 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet characteristics conditions output unit min typ max v oi output voltage initial setting and accuracy i o max, v i = 53 v, t pcb = 25 ?c 3 23 3 3 3 37 v output adjust range i o max, v i = 53 v, t pcb = 25 ?c 2 97 3 63 v v o output voltage tolerance band i o = (0 1 1 0) x i o max 3 2 3 4 v idling voltage i o = 0 3 2 3 4 v line regulation i o max 5 mv load regulation i o = (0 01 1 0) i o max, v i = 53 v 5 mv v tr load transient voltage deviation i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 250 mv t tr load transient recovery time i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 s t r ramp-up time i o = (0 1 1 0) i o max, v i = 53 v (0 1 0 9) v o nom 5 10 ms t s start-up time i o = (0 1 1 0) i o max, v i = 53 v v i connection to 0 9 x v o nom 7 5 15 ms i o output current 0 15 a p o max max output power at v o = v o nom 50 w i lim current limit threshold t pcb < t pcb max 20 a i sc short circuit current t pcb = 25 c, v o < 0 5v 25 a v o ac output ripple & noise see ripple and noise, i o max, v o nom, 25 50 mv p-p svr supply voltage rejection (ac) t pcb = 25 c, f = 100 hz sinewave , 1 vpp, v i = 53 v 70 db ovp over voltage protection v i = 53 v i o = (0 1 1 0) i o max 3 9 5 0 v t pcb = -40 +90 oc and v i = 3675v, sense pins connected to output pins unless otherwise specified pkm 10e pi output miscellaneous characteristics conditions min typ max unit efficiency - 50% load t pcb = +25 c, v i = 48 v, i o = 0 5 x i omax 90 5 % efficiency - 100% load t pcb = +25 c, v i = 48 v, i o = i omax 89 % efficiency - 50% load t pcb = +25 c, v i = 53 v, i o = 0 5 x i omax 90 % efficiency - 100% load t pcb = +25 c, v i = 53 v, i o = i omax 87 89 % p d power dissipation i o max, v i = 53 v, t pcb = 25 ?c 6 w f s switching frequency 180 khz 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet efficiency output current derating pkm 10e pi typical characteristics efficiency vs load current and input voltage at t pcb =+25 c < " > < > 7 7 7 7 0 2 0 4 0 6 0 8 0 1 0 0 0 5 1 0 1 5 [ c ] [ a ] 2 . 0 m / s ( 4 0 0 l f m ) 1 . 5 m / s ( 3 0 0 l f m ) 1 . 0 m / s ( 2 0 0 l f m ) n a t . c o n v . 3 . 0 m / s ( 6 0 0 l f m ) 2 . 5 m / s ( 5 0 0 l f m ) output characteristic output voltage vs load current at t pcb =+25 c, vin=53 v 0 3 6 9 1 2 1 5 3 . 2 0 3 . 2 5 3 . 3 0 3 . 3 5 3 . 4 0 [ a ] [ v ] power dissipation 0 3 6 9 1 2 1 5 0 1 2 3 4 5 6 7 8 [ a ] [ w ] 3 6 v 4 8 v 5 3 v 7 5 v dissipated power vs load current and input voltage at t pcb =+25 c thermal resistance 0 . 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 0 2 4 6 8 1 0 [ m / s ] [ c / w ] available load current vs ambient air temperature and airflow at vin=53 v dc/dc converter mounted vertically with airflow and test conditions as per the thermal consideration section thermal resistance vs airspeed measured at the converter tested in windtunnel with airflow and test conditions as per the thermal consideration section heatsink (hs) option the pkm4000e series dc/dc converters can be ordered with a heatsink (hs) option the heatsink option have approximately 5 c improved derating compared with the pkm4000e without heatsink the hs option is intended to be mounted on a cold wall to transfer heat away from the converter en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet pkm 10e pi typical characteristics output ripple transient output voltage ripple (50mv/div ) at t pcb =+25 c, vin=53 v, io=15a resistive load with c=10 f tantalum and 0 1 f ceramic capacitors band width=20mhz time scale: 2 s / div output voltage response to load current step-change (3 75-11 25-3 75 a) at t pcb =+25 c, vin=53 v top trace: output voltage (200mv/div ) bottom trace: load current (5 a/div ) time scale: 0 1 ms/div output voltage adjust output voltage adjust resistor value vs percentage change in output voltage < l 0 i n > < > % f d s f b t f * o d s f b t f output voltage adjust the resistor value for an adjusted output voltage is calculated by using the following equations: output voltage adjust upwards, increase: r adj = 5 11 [3 3 (100+ %) / 1 225 %- (100+2 %) / % ] kohm output voltage adjust downwards, decrease: r adj = 5 11 [ (100 / %-2) ] kohm eg increase 4% =>v out = 3 43 v dc 5 11 [3 3 (100+4)/(1 225x4)-(100+2x4)/4 ] =219 9 kohm eg decrease 2% =>v out = 3 23 v dc 5 11 x(100/2-2)=245 3 kohm start-up turn-off start-up at io=15a resistive load at t pcb =+25 c, vin=53 v start enabled by connecting vin top trace: input voltage (10 v/div ) bottom trace: output voltage (1 v/div ) time scale: 5 ms/div turn-off at io=15a resistive load at t pcb =+25 c, vin=53 v turn-off enabled by disconnecting vin top trace: output voltage (1 v/div ) bottom trace: input voltage (20 v/div ) time scale: 10 ms/div en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet characteristics conditions output unit min typ max v oi output voltage initial setting and accuracy i o max, v i = 53 v, t pcb = 25 ?c 4 89 5 0 5 11 v output adjust range i o max, v i = 53 v, t pcb = 25 ?c 4 5 5 5 v v o output voltage tolerance band i o = (0 1 1 0) x i o max 4 85 5 15 v idling voltage i o = 0 4 85 5 15 v line regulation i o max 5 mv load regulation i o = (0 01 1 0) i o max, v i = 53 v 5 mv v tr load transient voltage deviation i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 250 mv t tr load transient recovery time i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 s t r ramp-up time i o = (0 1 1 0) i o max, v i = 53 v (0 1 0 9) v o nom 5 10 ms t s start-up time i o = (0 1 1 0) i o max, v i = 53 v v i connection to 0 9 x v o nom 7 5 15 ms i o output current 0 10 a p o max max output power at v o = v o nom 50 w i lim current limit threshold t pcb < t pcb max 15 a i sc short circuit current t pcb = 25 c, v o < 0 5v 25 a v o ac output ripple & noise see ripple and noise, i o max, v o nom, 30 50 mv p-p svr supply voltage rejection (ac) t pcb = 25 c, f = 100 hz sinewave , 1 vpp, v i = 53 v 75 db ovp over voltage protection v i = 53 v i o = (0 1 1 0) i o max 5 6 7 6 v t pcb = -40 +90 oc and v i = 3675v, sense pins connected to output pins unless otherwise specified pkm 11e pi output miscellaneous characteristics conditions min typ max unit efficiency - 50% load t pcb = +25 c, v i = 48 v, i o = 0 5 x i omax 90 5 % efficiency - 100% load t pcb = +25 c, v i = 48 v, i o = i omax 90 % efficiency - 50% load t pcb = +25 c, v i = 53 v, i o = 0 5 x i omax 90 % efficiency - 100% load t pcb = +25 c, v i = 53 v, i o = i omax 88 90 % p d power dissipation i o max, v i = 53 v, t pcb = 25 ?c 5 5 w f s switching frequency 180 khz en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet efficiency output current derating pkm 11e pi typical characteristics efficiency vs load current and input voltage at t pcb =+25 c 36 v 48 v 53 v 75 v < " > < > < ? $ > < " > n t m g n n t m g n n t m g n / b u $ p o w n t m g n n t m g n output characteristic output voltage vs load current at t pcb =+25 c, vin=53 v < " > < 7 > power dissipation < " > < 8 > 7 7 7 7 dissipated power vs load current and input voltage at t pcb =+25 c thermal resistance < n t > < ? $ 8 > available load current vs ambient air temperature and airflow at vin=53 v dc/dc converter mounted vertically with airflow and test conditions as per the thermal consideration section thermal resistance vs airspeed measured at the converter tested in windtunnel with airflow and test conditions as per the thermal consideration section heatsink (hs) option the pkm4000e series dc/dc converters can be ordered with a heatsink (hs) option the heatsink option have approximately 5 c improved derating compared with the pkm4000e without heatsink the hs option is intended to be mounted on a cold wall to transfer heat away from the converter en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet pkm 11e pi typical characteristics output ripple transient output voltage ripple (50mv/div ) at t pcb =+25 c, vin=53 v, io=10a resistive load with c=10 f tantalum and 0 1 f ceramic capacitors band width=20mhz time scale: 2 s / div output voltage response to load current step-change (2 5-7 5-2 5 a) at t pcb =+25 c, vin=53 v top trace: output voltage (200mv/div ) bottom trace: load current (2 5 a/div ) time scale: 0 1 ms/div output voltage adjust output voltage adjust resistor value vs percentage change in output voltage < l 0 i n > < > output voltage adjust the resistor value for an adjusted output voltage is calculated by using the following equations: output voltage adjust upwards, increase: r adj = 5 11 [5 (100+ %) / 1 225 %- (100+2 %) / % ] kohm output voltage adjust downwards, decrease: r adj = 5 11 [ (100 / %-2) ] kohm eg increase 4% =>v out = 5 2 v dc 5 11 [5 (100+4)/(1 225x4)-(100+2x4)/4 ] =404 3 kohm eg decrease 2% =>v out = 4 9 v dc 5 11 x(100/2-2)=245 3 kohm start-up turn-off start-up at io=10a resistive load at t pcb =+25 c, vin=53 v start enabled by connecting vin top trace: input voltage (10 v/div ) bottom trace: output voltage (1 v/div ) time scale: 5 ms/div turn-off at io=10a resistive load at t pcb =+25 c, vin=53 v turn-off enabled by disconnecting vin top trace: output voltage (2 v/div ) bottom trace: input voltage (20 v/div ) time scale: 10 ms/div en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet characteristics conditions output unit min typ max v oi output voltage initial setting and accuracy i o max, v i = 53 v, t pcb = 25 ?c 11 8 12 0 12 2 v output adjust range i o max, v i = 53 v, t pcb = 25 ?c 10 8 13 2 v v o output voltage tolerance band i o = (0 1 1 0) x i o max 11 74 12 26 v idling voltage i o = 0 11 74 12 26 v line regulation i o max 10 mv load regulation i o = (0 01 1 0) i o max, v i = 53 v 10 mv v tr load transient voltage deviation i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 300 mv t tr load transient recovery time i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 s t r ramp-up time i o = (0 1 1 0) i o max, v i = 53 v (0 1 0 9) v o nom 5 10 ms t s start-up time i o = (0 1 1 0) i o max, v i = 53 v v i connection to 0 9 x v o nom 7 5 15 ms i o output current 0 4 2 a p o max max output power at v o = v o nom 50 w i lim current limit threshold t pcb < t pcb max 6 0 a i sc short circuit current t pcb = 25 c, v o < 0 5v 9 a v o ac output ripple & noise see ripple and noise, i o max, v o nom, 100 150 mv p-p svr supply voltage rejection (ac) t pcb = 25 c, f = 100 hz sinewave , 1 vpp, v i = 53 v 75 db ovp over voltage protection v i = 53 v i o = (0 1 1 0) i o max 14 16 v t pcb = -40 +90 oc and v i = 3675v, sense pins connected to output pins unless otherwise specified pkm 1e pi output miscellaneous characteristics conditions min typ max unit efficiency - 50% load t pcb = +25 c, v i = 48 v, i o = 0 5 x i omax 87 5 % efficiency - 100% load t pcb = +25 c, v i = 48 v, i o = i omax 89 % efficiency - 50% load t pcb = +25 c, v i = 53 v, i o = 0 5 x i omax 87 % efficiency - 100% load t pcb = +25 c, v i = 53 v, i o = i omax 87 89 % p d power dissipation i o max, v i = 53 v, t pcb = 25 ?c 6,5 w f s switching frequency 200 khz en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet efficiency output current derating pkm 1e pi typical characteristics efficiency vs load current and input voltage at t pcb =+25 c < " > < > 7 7 7 7 0 2 0 4 0 6 0 8 0 1 0 0 0 1 2 3 4 5 [ c ] [ a ] 2 . 0 m / s ( 4 0 0 l f m ) 1 . 5 m / s ( 3 0 0 l f m ) 1 . 0 m / s ( 2 0 0 l f m ) n a t . c o n v . 3 . 0 m / s ( 6 0 0 l f m ) 2 . 5 m / s ( 5 0 0 l f m ) output characteristic output voltage vs load current at t pcb =+25 c, vin=53 v 0 1 2 3 4 5 1 1 . 8 1 1 . 9 1 2 . 0 1 2 . 1 1 2 . 2 [ a ] [ v ] power dissipation 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5 4 . 0 4 . 5 0 1 2 3 4 5 6 7 8 [ a ] [ w ] 3 6 v 4 8 v 5 3 v 7 5 v dissipated power vs load current and input voltage at t pcb =+25 c thermal resistance 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 0 2 4 6 8 1 0 1 2 [ m / s ] [ c / w ] available load current vs ambient air temperature and airflow at vin=53 v dc/dc converter mounted vertically with airflow and test conditions as per the thermal consideration section thermal resistance vs airspeed measured at the converter tested in windtunnel with airflow and test conditions as per the thermal consideration section heatsink (hs) option the pkm4000e series dc/dc converters can be ordered with a heatsink (hs) option the heatsink option have approximately 5 c improved derating compared with the pkm4000e without heatsink the hs option is intended to be mounted on a cold wall to transfer heat away from the converter en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet pkm 1e pi typical characteristics output ripple transient output voltage ripple (50mv/div ) at t pcb =+25 c, vin=53 v, io=4 2 a resistive load with c=10 f tantalum and 0 1 f ceramic capacitors band width=20mhz time scale: 2 s / div output voltage response to load current step-change (1 05-3 15-1 05 a) at t pcb =+25 c, vin=53 v top trace: output voltage (200mv/div ) bottom trace: load current (1 a/div ) time scale: 0 1 ms/div output voltage adjust output voltage adjust resistor value vs percentage change in output voltage < l 0 i n > < > output voltage adjust the resistor value for an adjusted output voltage is calculated by using the following equations: output voltage adjust upwards, increase: r adj = 5 11 [12 (100+ %) / 1 225 %- (100+2 %) / % ] kohm output voltage adjust downwards, decrease: r adj = 5 11 [ (100 / %-2) ] kohm eg increase 4% =>v out = 12 48 v dc 5 11 [12 (100+4)/(1 225x4)-(100+2x4)/4 ] =1163 5 kohm eg decrease 2% =>v out = 11 76 v dc 5 11 x(100/2-2)=245 3 kohm start-up turn-off start-up at io=4 2 a resistive load at t pcb =+25 c, vin=53 v start enabled by connecting vin top trace: output voltage (2 v/div ) time scale: 5 ms/div bot - tom trace: input voltage (10 v/div ) turn-off at io=4 2 a resistive load at t pcb =+25 c, vin=53 v turn-off enabled by disconnecting vin top trace: output voltage (5 v/div ) bottom trace: input voltage (20 v/div ) time scale: 10 ms/div en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet characteristics conditions output unit min typ max v oi output voltage initial setting and accuracy i o max, v i = 53 v, t pcb = 25 ?c 14 75 15 0 15 25 v output adjust range i o max, v i = 53 v, t pcb = 25 ?c 13 5 16 5 v v o output voltage tolerance band i o = (0 1 1 0) x i o max 14 70 15 30 v idling voltage i o = 0 14 70 15 30 v line regulation i o max 10 mv load regulation i o = (0 01 1 0) i o max, v i = 53 v 10 mv v tr load transient voltage deviation i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 300 mv t tr load transient recovery time i o = (0 1 1 0) i o max, v i = 53 v, load step = 0 5 i o max 100 s t r ramp-up time i o = (0 1 1 0) i o max, v i = 53 v (0 1 0 9) v o nom 5 10 ms t s start-up time i o = (0 1 1 0) i o max, v i = 53 v v i connection to 0 9 x v o nom 7 5 15 ms i o output current 0 3 33 a p o max max output power at v o = v o nom 50 w i lim current limit threshold t pcb < t pcb max 4 5 a i sc short circuit current t pcb = 25 c, v o < 0 5v 7 5 a v o ac output ripple & noise see ripple and noise, i o max, v o nom, 100 150 mv p-p svr supply voltage rejection (ac) t pcb = 25 c, f = 100 hz sinewave , 1 vpp, v i = 53 v 70 db ovp over voltage protection v i = 53 v i o = (0 1 1 0) i o max tbd tbd v t pcb = -40 +90 oc and v i = 3675v, sense pins connected to output pins unless otherwise specified pkm 1e pi output miscellaneous characteristics conditions min typ max unit efficiency - 50% load t pcb = +25 c, v i = 48 v, i o = 0 5 x i omax 86 5 % efficiency - 100% load t pcb = +25 c, v i = 48 v, i o = i omax 90 % efficiency - 50% load t pcb = +25 c, v i = 53 v, i o = 0 5 x i omax 86 % efficiency - 100% load t pcb = +25 c, v i = 53 v, i o = i omax 88 89 5 % p d power dissipation i o max, v i = 53 v, t pcb = 25 ?c 6 w f s switching frequency 200 khz 0 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet efficiency output current derating pkm 1e pi typical characteristics efficiency vs load current and input voltage at t pcb =+25 c < " > < > 7 7 7 7 0 2 0 4 0 6 0 8 0 1 0 0 0 1 2 3 4 [ c ] [ a ] 2 . 0 m / s ( 4 0 0 l f m ) 1 . 5 m / s ( 3 0 0 l f m ) 1 . 0 m / s ( 2 0 0 l f m ) n a t . c o n v . 3 . 0 m / s ( 6 0 0 l f m ) 2 . 5 m / s ( 5 0 0 l f m ) output characteristic output voltage vs load current at t pcb =+25 c, vin=53 v 0 1 2 3 4 1 4 . 8 1 4 . 9 1 5 . 0 1 5 . 1 1 5 . 1 [ a ] [ v ] power dissipation 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 3 . 5 4 . 0 0 1 2 3 4 5 6 7 8 [ a ] [ w ] 3 6 v 4 8 v 5 3 v 7 5 v dissipated power vs load current and input voltage at t pcb =+25 c thermal resistance 0 . 0 0 . 5 1 . 0 1 . 5 2 . 0 2 . 5 3 . 0 0 2 4 6 8 1 0 1 2 [ m / s ] [ c / w ] available load current vs ambient air temperature and airflow at vin=53 v dc/dc converter mounted vertically with airflow and test conditions as per the thermal consideration section thermal resistance vs airspeed measured at the converter tested in windtunnel with airflow and test conditions as per the thermal consideration section heatsink (hs) option the pkm4000e series dc/dc converters can be ordered with a heatsink (hs) option the heatsink option have approximately 5 c improved derating compared with the pkm4000e without heatsink the hs option is intended to be mounted on a cold wall to transfer heat away from the converter 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet pkm 1e pi typical characteristics output ripple transient output voltage ripple (50mv/div ) at t pcb =+25 c, vin=53 v, io=3 33 a resistive load with c=10 f tantalum and 0 1 f ceramic capacitors band width=20mhz time scale: 1 s / div output voltage response to load current step-change (0 82-2 50-0 82 a) at t pcb =+25 c, vin=53 v top trace: output voltage (200mv/div ) bottom trace: load current (1 a/div ) time scale: 0 1 ms/div output voltage adjust output voltage adjust resistor value vs percentage change in output voltage 1 1 0 1 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 2 4 6 8 1 0 1 2 [ k o h m ] [ % ] d e c r e a s e i n c r e a s e output voltage adjust the resistor value for an adjusted output voltage is calculated by using the following equations: output voltage adjust upwards, increase: r adj = 5 11 [15 (100+ %) / 1 225 %- (100+2 %) / % ] kohm output voltage adjust downwards, decrease: r adj = 5 11 [ (100 / %-2) ] kohm eg increase 4% =>v out = 15 6 v dc 5 11 [15 (100+4)/(1 225x4)-(100+2x4)/4 ] =1488 9 kohm eg decrease 2% =>v out = 14 7 v dc 5 11 x(100/2-2)=245 3 kohm start-up turn-off start-up at io=3 33 a resistive load at t pcb =+25 c, vin=53 v start enabled by connecting vin top trace: input voltage (10 v/div ) bottom trace: output voltage (5 v/div ) time scale: 5 ms/div turn-off at io=3 33 a resistive load at t pcb =+25 c, vin=53 v turn-off enabled by disconnecting vin top trace: output voltage (5 v/div ) bottom trace: input voltage (20 v/div ) time scale: 10 ms/div en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet emc specification the conducted emi measurement was performed using a module placed directly on the test bench the fundamental switching frequency is 180 khz for pkm4510e pi @ v i = 53v, i o = (0 1 1 0) x i o max external filter (class b) required external input filter in order to meet class b in en 55022, cispr 22 and fcc part 15j test set-up. layout recommendation the radiated emi performance of the dc/dc converter will be optimised by including a ground plane in the pcb area under the dc/dc converter this approach will re - turn switching noise to ground as directly as possible, with improvements to both emissions and susceptibility it is also important to consider the stand-off of the pkm 4000e series dc/dc converter if one ground trace is used, it should be connected to the input return alternatively, two ground traces may be used, with the trace under the input side of the dc/dc converter connected to the input return and the trace under the output side of the dc/dc converter con - nected to the output return make sure to use appropriate safety isolation spacing between these two return traces the use of two traces as described will provide the capabil - ity of routing the input noise and output noise back to their respective returns conducted emi input terminal value (typ) output ripple and noise test setup output ripple and noise the circuit below has been used for the ripple and noise measurements on the pkm 4000e series dc/dc converters pkm 4510 e pi without filter pkm 4510 e pi with filter $ $ $ - $ $ - $ % $ % $ $ $ $ ? ' d f s b n j d $ $ o ' d f s b n j d $ ? ' f m f d u s p m z u j d - ? ) d p n n p o n p e f - ? ) dc po wer source + - 5h 50 ? 5h 50 ? lis n lis n in in out out rcvr rcvr 50 ohm input 1 m twisted pair 50 ohm teminatio n optional connection to earth gr ound filter (if used) power module resistive load printed circuit board emc reciver computer b n c c o n n e c t o r t o s c o p e c e r a m i c c a p a c i t o r + v o u t + s e n s e t r i m - s e n s e - v o u t l o a d t a n t a l u m c a p a c i t o r * c o n d u c t o r f r o m v o u t t o c a p a c i t o r s = 5 0 m m [ 1 . 9 7 i n ] + 0 . 1 u f 1 0 u f en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet operating information input voltage the input voltage range 3675vdc meets the requirements of the european telecom standard ets 300 132-2 for normal input voltage range in C48v and C60v dc systems, -40 5-57 0v and C50 0-72v respectively at input voltages exceeding 75v, the power loss will be higher than at normal input voltage and t pcb must be limited to absolute max +110 c the absolute maximum continuous input voltage is 80vdc turn-off input voltage the pkm 4000e series dc/dc converters monitor the input voltage and will turn on and turn off at predetermined levels the minimum hysteresis between turn on and turn off input voltage is 2v where the turn on input voltage is the highest output voltage adjust (v adj ) all pkm 4000e series dc/dc converters have an output voltage adjust pin (vadj) this pin can be used to adjust the output voltage above or below output voltage initial setting when increasing the output voltage, the voltage at the output pins (including any remote sense offset) must be kept below the overvoltage trip point, to prevent the converter from shut down also note that at increased output voltages the maximum power rating of the converter remains the same, and the output current capability will decrease correspondingly to decrease the output voltage the resistor should be connected between vadj pin and Csense pin to increase the voltage the resistor should be connected between vadj pin and +sense pin the resistor value of the output voltage adjust function is according to information given under the output section remote control (rc) all pkm 4000e series dc/dc converters have remote sense that can be used to compensate for moderate amounts of resistance in the distribution system and allow for voltage regulation at the load or other selected point the remote sense lines will carry very little current and do not need a large cross sectional area however, the sense lines on the pcb should be located close to a ground trace or ground plane in a discrete wiring situation, the use of twisted pair wires or other technique to reduce noise susceptibility is highly recommended the remote sense circuitry will compensate for up to 10% voltage drop between the sense voltage and the voltage at the output pins the output voltage and the remote sense voltage offset must be less than the minimum over voltage trip point if the remote sense is not needed the Csense should be connected to Cout and +sense should be connected to +out remote sense circuit configuration for output voltage adjust + o u t - o u t + s e n s e v a d j - s e n s e l o a d r a d j r a d j d e c r e a s e l o a d i n c r e a s e + o u t - o u t + s e n s e v a d j - s e n s e the pkm 4000e series dc/dc converters have a remote control function referenced to the primary side (- in), with negative and positive logic options available the rc function allows the converter to be turned on/off by an external device like a semiconductor or mechanical switch the rc pin has an internal pull up resistor to + in the needed maximum sink current is 1ma when the rc pin is left open, the voltage generated on the rc pin is 3 5 - 6 v the maximum allowable leakage current of the switch is 50 a the standard converter is provided with negative logic remote control and the converter will be off until the rc pin is connected to the - in to turn on the converter the voltage between rc pin and - in should be less than 1v to turn off the converter the rc pin should be left open, or connected to a voltage higher than 4 v referenced to - in in situations where it is desired to have the converter to power up automatically without the need for control signals or a switch, the rc pin can be wired directly to - in the second option is positive logic remote control, which can be ordered by adding the suffix p to the end of the part number the converter will turn on when the input voltage is applied with the rc pin open turn off is achieved by connecting the rc pin to the - in to ensure safe turn off the voltage difference between rc pin and the - in pin shall be less than 1v the converter will restart automatically when this connection is opened circuit configuration for rc function + i n r c - i n en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet operating information over temperature protection (otp) the pkm 4000e series dc/dc converters are protected from thermal overload by an internal over temperature shutdown circuit when the pcb temperature adjacent to the pwm control circuit exceeds 120 oc the converter will shut down immediately the converter will make continuos attempts to start up (non-latching mode) and resume normal operation automatically when the temperature has dropped >10oc below the temperature threshold input and output impedance the impedance of both the power source and the load will interact with the impedance of the dc/dc converter it is most important to have a ratio between l and c as low as possible, i e a low characteristic impedance, both at the in - put and output, as the converters have a low energy storage capability the pkm 4000e series dc/dc converters have been designed to be completely stable without the need for external capacitors on the input or the output circuits the performance in some applications can be enhanced by addition of external capacitance as described under maxi - mum capacitive load if the distribution of the input voltage source to the converter contains significant inductance, the addition of a 100f capacitor across the input of the con - verter will help insure stability this capacitor is not required when powering the dc/dc converter from a low impedance source with short, low inductance, input power leads parallel operation the pkm 4000e series dc/dc converters can be paralleled for redundancy if external o-ring diodes are used in series with the outputs it is not recommended to parallel the pkm 4000e series dc/dc converters for increased power without using external current sharing circuits maximum capacitive load when powering loads with significant dynamic current requirements, the voltage regulation at the load can be improved by addition of decoupling capacitance at the load the most affective technique is to locate low esr ceramic capacitors as close to the load as possible, using several capacitors to lower the effective esr these ceramic ca - pacitors will handle short duration high-frequency compo - nents of dynamic load changes in addition, higher values of electrolytic capacitors should be used to handle the mid-fre - quency components it is equally important to use good de - sign practise when configuring the dc distribution system low resistance and low inductance pcb (printed circuit board) layouts and cabling should be used remember that when using remote sensing, all resistance, inductance and capacitance of the distribution system is within the feed - back loop of the converter this can affect on the convert - ers compensation and the resulting stability and dynamic response performance as a rule of thumb, 100f/a of output current can be used without any additional analysis for example with a 25a converter, values of decoupling capacitance up to 2500 f can be used without regard to stability with larger values of capacitance, the load transient recovery time can exceed the specified value as much of the capacitance as possible should be outside the remote sensing loop and close to the load the absolute maximum value of output capacitance is 10 000 f for values larger than this, please contact your local ericsson power modules representative current limit protection the pkm 4000e series dc/dc converters include current limiting circuitry that allows them to withstand continuous overloads or short circuit conditions on the output the out - put voltage will decrease towards zero for output currents in excess of max output current (iomax) the converter will resume normal operation after removal of the overload the load distribution system should be designed to carry the maximum output short circuit current specified over voltage protection (ovp) the pkm 4000e series dc/dc converters have output over - voltage protection in the event of an overvoltage condition, the converter will shut down immediately the converter will make continuous attempts to start up (non-latching mode) and resume normal operation automatically en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet thermal consideration general the pkm 4000e series dc/dc converters are designed to operate in a variety of thermal environments, however sufficient cooling should be provided to help ensure reliable operation heat is removed by conduction, convection and radiation to the surrounding environment increased airflow enhances the heat transfer via convection the available load current vs ambient air temperature and airflow at vin=53 v for each model is according to the information given under the output section the test is done in a wind tunnel with a cross section of 305x305mm, the dc/dc converter vertically mounted on a 8 layer pcb with a size of 254x254mm proper cooling can be verified by measuring the temperature of selected devices peak temperature can occur at position p1 and p2 the temperature at these positions should not exceed the recommended max values calculation of ambient temperature by using the thermal resistance the maximum allowed ambient temperature can be calculated 1 the powerloss is calculated by using the formula ((1/ ) - 1) output power = power losses = efficiency of converter e g 89% = 0 89 2 find the value of the thermal resistance for each product in the diagram by using the airflow speed at the output section of the converter take the thermal resistance x powerloss to get the temperature increase 3 max allowed calculated ambient temperature is: max t pcb of dc/dc converter C temperature increase e g pkm 4510e pi at 1m/s: b 6 1w 5 5c/w = 33 6c c 110c - 33 6c = max ambient temperature is 76 4c the real temperature will be dependent on several factors, like pcb size and type, direction of airflow, air turbulence etc it is recommended to verify the temperature by testing a (( ) - 1) 49 5w = 6 1w 1 0 89 position device t critical max value p1 transformer t core 110oc p2 mosfet t surface 110oc " j s g m p x * o q v u t j e f 0 v u q v u t j e f 1 1 en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet reliability the mean time between failure (mtbf) of the pkm4000e series dc/dc converter is calculated at full output power and an operating ambient temperature (ta) of +40c different methods could be used to calculate the predicted mtbf andv failure rate which may give different results ericsson power modules currently uses two different methods, ericsson failure rate data system dependtool and telcordia sr332 predicted mtbf for the pkm4000e series products is: 7 0 million hours according to dependtool 1 6 million hours according to telcordia sr332, issue 1, black box techique the ericsson failure rate data system is based on field tracking data the data corresponds to actual failure rates of components used in information technology and telecom (it&t) equipment in temperature controlled environments (ta = -5 +65c) telcordia sr332 is a commonly used standard method intended for reliability calculations in it&t equipment the parts count procedure used in this method was originally modeled on the methods from mil-hdbk-217f, reliability predictions of electronic equipment it assumes that no reliability data is available on the actual units and devices for which the predictions are to be made, i e all predictions are based on generic reliability parameters equipment for more for more information please refer to design note 002 delivery package information compatibility with rohs requirements soldering information pkm 4000e series standard delivery packages are 100 or 20 pcs boxes (one box contains 5 or 1 full tray(s) and 1 empty hold down tray) tray specification material: polystyrene (ps) max surface resistance: 10 mohm/sq color: black capacity: 20 pcs/tray loaded tray stacking pitch: 16 2 mm (0 64 in) weight: 133 g the products are compatible with the relevant clauses and requirements of the rohs directive 2002/95/ec and have a maximum concentration value of 0 1% by weight in homogeneous materials for lead, mercury, hexavalent chromium, pbb and pbde and of 0 01% by weight in homogeneous materials for cadmium exemptions in the rohs directive utilized in ericsson power modules products include: ? lead in high melting temperature type solder (used to solder the die in semiconductor packages) ? lead in glass of electronics components and in electronic ceramic parts (e g fill material in chip resistors) ? lead as an alloying element in copper alloy containing up to 4% lead by weight (used in connection pins made of brass) the pkm4000e series dc/dc converters are intended for through hole mounting on a pcb when wave soldering is used max temperature on the pins is specified to 260c for 10 seconds maximum preheat rate of 4c/s and temperature of max 130c is suggested when hand soldering, care should be taken to avoid direct contact between the hot soldering iron tip and the pins for more than a few seconds in order to prevent overheating no-clean flux is recommended to avoid entrapment of cleaning fluids in cavities inside of the dc/dc power module the residues may affect long time reliability and isolation voltage en/lzt 146 051 r7a ? ericsson power modules, february 2007 pkm 4000e pi datasheet sales offices and contact information company headquarters ericsson power modules ab lm ericssons v?g 30 se-126 25 stockholm sweden phone: +46-8-568-69620 fax: +46-8-568-69599 china ericsson simtek electronics co 33 fuhua road jiading district shanghai 201 818 china phone: +86-21-5990-3258 fax: +86-21-5990-0188 north and south america ericsson inc power modules 6300 legacy dr plano, tx 75024 usa phone: +1-972-583-5254 +1-972-583-6910 fax: +1-972-583-7839 hong kong (asia pacific) ericsson ltd 12/f devon house 979 kings road quarry bay hong kong phone: +852-2590-2453 fax: +852-2590-7152 italy, spain (mediterranean) ericsson power modules ab via cadorna 71 20090 vimodrone (mi) italy phone: +39-02-265-946-07 fax: +39-02-265-946-69 all other countries contact company headquarters or visit our website: www.ericsson.com/powermodules information given in this data sheet is believed to be accurate and reliable no responsibility is assumed for the consequences of its use nor for any infringement of patents or other rights of third parties which may result from its use no license is granted by implication or otherwise under any patent or patent rights of ericsson power modules these products are sold only according to ericsson power modules general conditions of sale, unless otherwise confirmed in writing specifications subject to change without notice germany, austria ericsson power modules ab mhlhauser weg 18 85737 ismaning germany phone: +49-89-9500-6905 fax: +49-89-9500-6911 japan ericsson power modules ab kimura daini building, 3 fl 3-29-7 minami-oomachi, shinagawa-ka tokyo 140-0013 japan phone: +81-3-5733-5107 fax: +81-3-5753-5162 |
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