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datasheet ipm 12 s0a0r /s 08 _ 0320 200 7 features ? high efficiency: 9 3 % @ 12vin , 5v/ 8 a out ? small size and low profile: 17.8x15.0x7.8mm (0.70 x0.59 x0.31 ) ? output voltage adjustment: 0.8v~5v ? monotonic startup into normal and pre - biased loads ? input uvlo, output ocp ? remote on/off ? output short circuit protection ? fixed frequency operation ? mositure sensitivity level (msl) 3 ? copper pad to provide e xcellent thermal performance ? iso 900 1 , tl 9000, iso 14001, qs9000, ohsas18001 certified manufacturing ? ul/cul 60950 (us & canada) recognized, and tuv (en60950) certified ? ce mark meets 73/23/eec and 93/68/eec directives applications ? telecom/datacom ? wireless networks ? optical network equipment ? server and data storage ? industrial/test equipment options ? smd or sip package delphi series ipm, non - isolated, integrated p oint - of - l oad power module s: 8 v ~14v input , 0.8~5v and 8a output current the delphi series ipm12s non - isolated, fully integrated point - of - load (pol) power modules , are the latest offerings from a world leader in power systems technology and manufacturing -- delta electronics, inc. this product family provides up to 8a of output current or 40w of output power in an industry standard, compact, ic - like, molded package. it is highly integrated and do es not require external components to provide the point - of - load function. a copper pad on the back of the module ; in close contact with the internal heat dissipation components ; provides excellent thermal performance. the assembly process of the modules is fully automated with no manual assembly involved. these converters possess outstanding electrical and thermal performance, as well as extremely high reliability under highly stressful operating conditions. ipm12s operate s from an 8v~14 v source and provide s a programmable output voltage of 0.8v to 5v . the ipm product family is available in both a smd or sip package . ipm family is also available for input 3v~5.5v, please refer to ipm04s datasheet for details.
ds_ipm12s0a008_ 0320 2007 2 t echnical specificati ons t a = 25c, airflow rate = 3 00 lfm, v in = 12v dc, nominal vout unless otherwise noted. parameter notes and conditions ipm 12s0a0 r /s 08 f a min. typ. max. units absolute maximum ratings input voltage (continuous) 0 15 vdc o perating temperature refer to figure 34 for measuring point - 40 + 113 c storage temperature - 55 +125 c input characteristics operating input voltage 8 12 14 v input under - voltage lockout turn - on voltage threshold 7.9 v turn - off volt age threshold 7.6 v maximum input current vi n =vin,min to vin,max, io=io,max 4.5 a no - load input current 85 ma off converter input current 3 10 ma input reflected - ripple current p - p 1h inductor, 5hz to 20mhz 20 40 map - p input voltage rippl e rejection 120 hz tbd db output characteristics output voltage set point vin= 12v , io=io,max, ta=25 0.889 0.900 0.911 v dc output voltage adjustable range 0. 8 5 v output voltage regulation over line vi n =vi n ,min to vi n ,max 0. 1 % vo,se t over load io=io,min to io,max 0. 3 % vo,set over temperature ta=ta,min to ta,max 0.01 0.025 %vo,set / total output voltage range over sample load, line and temperature - 3.0 +3.0 % vo,set output voltage ripple and noise 5hz to 20mhz bandwidth peak - to - peak full load, 1f ceramic, 10f tantalum 4 0 60 mvp - p rms full load, 1f ceramic, 10f tantalum 1 5 30 mv output current range vo Q 3.6vdc 0 8 a vo>3.6vdc 0 6 a output voltage over - shoot at start - up vi n =10v to 14v, io= 0a to 16a , ta=25 0 1 % vo,set output dc current - limit inception 200 % io dynamic characteristics dynamic load response 1 0f tan & 1f ceramic load cap, 2.5 a/s positive step change in output current 50% io , max to 100% io , max 100 150 mv pk negative step c hange in output current 100% io , max to 50% io , max 100 150 mv pk setting time to 1 0 % of peak devitation 40 s turn - on transient io=io.max start - up time, from on/off control 17 25 ms start - up time, from input 17 25 ms output voltage rise t ime time for vo to rise from 10% to 90% of vo,set , 5 9 15 ms maximum output startup capacitive load full load; esr R 1m 1 5 00 f full load; esr R 10m 5 000 f efficiency vo=0. 9 v vi n =12v, io=io,max, ta=25 73 75.0 % vo=1.2v vi n =12v, io=io,ma x, ta=25 78 80.5 % vo=1.5v vi n =12v, io=io,max, ta=25 80 83.0 % vo=1.8v vi n =12v, io=io,max, ta=25 83 85.0 % vo=2.5v vi n =12v, io=io,max, ta=25 86 88.5 % vo=3.3v vi n =12v, io=io,max, ta=25 88 91.0 % vo=5.0v vi n =12v, io=io,max, ta=25 91 93.0 % feature characteristics switching frequency 485 khz on/off control, (logic high - module on) logic high module on 2.4 vin,max v logic low module off - 0.2 0.8 v on/off current ion/off at von/off=0 0.2 5 1 ma leakage current logic high, v on/off= 5 v 5 0 a general specifications mtbf io =80% io, max, ta=25 20 m hours weight 6 grams
ds_ipm12s0a008_ 0320 2007 3 electrical character istics curves figure 1 : converter efficiency vs. output current (0.90 v output voltage) figure 2 : converter efficiency vs. output current (1.2 v output voltage) figure 3 : converter efficiency vs. output curr ent (1.5 v output voltage) figure 4 : converter efficiency vs. output current (1.8 v output voltage) figure 5 : converter efficiency vs. output current (2.0 v 0utput voltage) figure 6 : converter efficiency vs. output current (2.5 v output voltage) 50 60 70 80 90 1 2 3 4 5 6 7 8 9 load (a) efficiency(%) vi=14v vi=12v vi=10v vi=8v 60 70 80 90 1 2 3 4 5 6 7 8 9 load (a) efficiency(%) vi=14v vi=12v vi=10v vi=8v 70 80 90 1 2 3 4 5 6 7 8 9 load (a) efficiency(%) vi=14v vi=12v vi=10v vi=8v 70 80 90 1 2 3 4 5 6 7 8 9 load (a) efficiency(%) vi=14v vi=12v vi=10v vi=8v 70 80 90 100 1 2 3 4 5 6 7 8 9 load (a) efficiency(%) vi=14v vi=12v vi=10v vi=8v 70 80 90 1 2 3 4 5 6 7 8 9 load (a) efficiency(%) vi=14v vi=12v vi=10v vi=8v
ds_ipm12s0a008_ 0320 2007 4 electrical character istics curves figure 7 : converter efficiency vs. output current (3.3 v output voltage) figure 8 : converter efficiency vs. output current (5.0 v output voltage) figure 9: output ripple & noise at 12 vin, 0.9v / 8 a out figu re 10: output ripple & noise at 12vin, 2.5 v/ 8 a out figure 11 : output ripple & noise at 12 vin, 3.3 v/ 8 a out figure 1 2 : output ripple & noise at 12vin, 5.0v/6a out 70 80 90 100 1 2 3 4 5 6 7 8 9 load (a) efficiency(%) vi=14v vi=12v vi=10v vi=8v 70 80 90 100 1 2 3 4 5 6 7 8 9 load (a) efficiency(%) vi=14v vi=12v vi=10v vi=8v
ds_ipm12s0a008_ 0320 2007 5 electrical character istics curves figure 13 : power on waveform at 12vin, 2. 5v/8a out with application of vin figure 14 : power on waveform at 12vin, 5.0v/6a out with application of vin figure 15 : power off waveform at 12vin, 2.5v/8a out with application of vin figure 16 : power off waveform 12vin, 5.0v/8a out with applic ation of vin figure 17 : remote tu rn on delay time at 12vin, 2.5v/8a out figure 18 : remote turn on delay time at 12vin, 5.0v/6a out
ds_ipm12s0a008_ 0320 2007 6 electrical character istics curves figure 19 : turn on delay at 12vin, 2.5v/8a out with application of vin f igure 20 : turn on delay at 12vin, 5.0v/6a out with application of vin figure 21 : typical transient response to step load change at 2.5a/s from 100% to 50% of io, max at 12vin, 5.0v out ( measurement with a 1uf ceramic and a 10f tantalum figure 22 : typical transient response to step load change at 2.5a/s from 50% to 100% of io, max at 12vin, 5.0v out ( measurement with a 1uf ceramic and a 10f tantalu)
ds_ipm12s0a008_ 0320 2007 7 test configurations note: input reflected - ripple current is measured with a simulated source inductance. current is measured at the input of the modu le. figure 23 : input reflected - ripple current test setup note: use a 10f tantalum and 1f capacitor. scope measurement should be made using a bnc connector. figure 24: peak - peak output noise and startup transient measure ment test setup figure 25 : output voltage and efficiency measurement test setup note: all measurements are taken at the module terminals. when the module is not soldered (via socket), place kelvin connections at module termin als to avoid measurement errors due to contact resistance. design consideration s input source impedance to maintain low - noise and ripple at the input voltage, it i s critical to use low esr capacitors at the inp ut to the module. figure 2 6 shows the input ripple voltage (mvp - p) for various output models using 2 x47 uf low esr tantalum capacitors ( sanyo p/n :16tpb470m , 47uf /1 6v or equivalent ) or 2x22 uf very low esr ceramic capacitors (tdk p/n:c3225x7s1c226mt, 22uf/1 6v or equivalent ). the input capacitance should be able to handle an ac r i pple current of at least: figure 26: input ripple voltage for various output models, io = 8 a (cin = 2x47uf tantalum capacitor s or 2x22uf ceramic capacitors at the input) the power module should be connected to a low ac - impedance input source. highly inductive source impedances can affect the stability of the module. an input capacitance must be placed close to the modules input pins to filter ripple current and ensure module stability in the presence of inductive traces that supply the input voltage to the module. v i ( +) v i ( -) battery 2 47uf tantalum l vo gnd 10uf tantalum 1uf ceramic scope resistive load v i vo gnd % 100 ) ( ? ? ? ? ii vi io vo ? arms vin vout vin vout iout irms ? ? ? ? ? ? ? ? 1 0 50 100 150 200 250 300 350 400 0 1 2 3 4 5 6 output voltage (vdc) input ripple voltage (mvp-p) tantalum ceramic
ds_ipm12s0a008_ 0320 2007 8 design consideration s safety considerat ions for safety - agency approval the power module must be installed in compliance with the spacing and separation requirements of the end - use safety agency s tandards. for the converter output to be considered meeting the requirements of safety extra - low v oltage (selv), the input must meet selv requirements. the power module has extra - low voltage (elv) outputs when all inputs are elv. the input to these units is to be provided with a maximum 1 0 a time - delay fuse in the ungrounded lead. remote on/off the ipm series power modules have an on/off control pin for output voltage remote on/off operation. the on/off pin is an open collector/drain logic input signal that is referenced to ground. when on/off control pin is not used , leave the pin unconnected. the remote on/off pin is internally connected to + v in through an internal pull - up resistor. figure 27 shows the circuit configuration for applying the remote on/off pin. the module will execute a soft start on when the transistor q1 is in the off state. the typical rise for this remote on/off pin at the output voltage of 2.5v and 5.0v are shown in figure 17 and 18. figure 27 : remote on/off implementation features description s over - current protection to provide protection in an output over load fault condition, the unit is equipped with internal over - current protection. when the over - current protection is triggered, the unit enters hiccup mode. the units operate normally once the fault condition is re moved. pre - bias startup capability the ipm would perform the monotonic startup into the pre - bias loads; so as to avoid a system voltage drop occur upon application. in complex digital systems an external voltage can sometimes be presented at the output of the module during power on. this voltage may be feedback through a multi - supply logic component, such as fpga or asic. another way might be via a clamp diode as part of a power up sequencing implementation. vo on/off vin gnd ipm q1 rl
ds_ipm12s0a008_ 0320 2007 9 features description s (con.) output voltage programming the output voltage of ipm can be p r ogrammed to any voltage between 0.8vdc and 5vdc by connecting one resistor (shown as rtrim in figure 28 , 29 ) between the trim and gnd pins of the module to trim up (0.9v ~ 5v) and between the trim and +output to trim down (0.8v ~ 0.9v). without this ex ternal resistor, the output voltage of the module is 0.9 vdc. to calculate the value of the resistor rtrim for a particular output voltage vo, please use the following equation: trim up rtrim = 3.746 - 0.261 (k C for example: to program the output voltage of the ipm module to 3.3vdc, rtrim is calculated as follows: rtrim = 3.746 - 0.261 (k C C for example, to program the output voltage of a ipm module to 3.3 vdc, vtrim is calculated as follows vtrim = 0.7439 C figure 28 : trim up circuit configuration for programming output voltage using an external resistor figure 29 : trim down circuit configuration for programming output v oltage using an external resistor figure 3 0 : circuit configuration for programming output voltage using external voltage source rtrim load vout trim gnd
ds_ipm12s0a008_ 0320 2007 10 the amount of power delivered by the module is the voltage at the output terminals multiplied by the output current. when using the trim feature, the output voltage of the module can be increased, which at the same o utput current would increase the power output of the module. care should be taken to ensure that the maximum output power of the module must not exceed the maximum rated power ( vo.set x io.max p max ) . voltage margining output voltage margining can be implemented in the ipm modules by connecting a resistor, r margin - up , from the trim pin to the ground pin for margining - up the output voltage and by connectin g a resistor, r margin - down , from the trim pin to the output pin for margining - down. figure 31 shows the circuit configuration for output v olta ge margining. if unused, leave the trim pin unconnected. figure 31 : circuit co nfiguration for output voltage margining feature descriptions (con. ) table 1 provides rtrim values require d for some common output voltages, while table 2 provides value of external voltage source, vtrim , f or the same common output voltages. by using a 0.5 % tolerance r esistor, set point tolerance of 2% can be achieved as specified in the electrical specificat ion. table 1 v o (v) rtrim ( ) 0.800 5.09k 0. 900 open 1.0 37.2k 1.2 12.2k 1.5 5.98k 1.8 3.90k 2.5 2.08k 3.3 1.30k 5.0 653 table 2 vo (v) vtrim (v ) 0.80 0.705 0. 90 0.700 1.2 0.6 85 1.5 0.6 71 1.8 0. 656 2.5 0. 622 3.3 0. 583 5.0 0. 500 vo on/off vin gnd trim ipm q2 q1 rmargin-up rmargin-down rtrim
ds_ipm12s0a008_ 0320 2007 11 thermal consideratio ns thermal management is an important part of the system design. to ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of t he module. convection cooling is usually the dominant mode of heat transfer. hence, the choice of equipment to characterize the thermal performance of the power module is a wind tunnel. thermal testing setup deltas dc/dc power modules are characterized in heated vertical wind tunnels that simulate the thermal environments encountered in most electronics equipment. this type of equipment commonly uses vertically mounted circuit cards in cabinet racks in which the power modules are mounted. the following figure shows the wind tunnel characterization setup. the power module is mounted on a test pwb and is vertically positioned within the wind tunnel. the height of this fan duct is constantly kept at 25.4 mm ( 1 ). thermal derating heat can be removed by i ncreasing airflow over the module. to enhance system reliability, the power module should always be operated below the maximum operating temperature. if the temperature exceeds the maximum module temperature, reliability of the unit may be affected. f igure 32 : wind tunnel test setup figure thermal curves figure 33 : temperature measurement location * the allowed maximum hot spot temperature is defin ed at 113 . figure 34 : output current vs. ambient temperature and air velocity @ vin=12v, vo=5v figure 35 : output current vs. ambient temperature and air velocity @ vin=12v, vo=3.3v module air flow 12. 7 (0.5) 50.8 (2.0) facing pwb pwb air velocity and ambient temperature measured below the module 25.4 ( 1 .0) ipm12s(standard) output current vs. ambient temperature and air velocity @ vin = 12v, vo = 5v (either orientation) 0 1 2 3 4 5 6 7 8 9 35 40 45 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection 100lfm 200lfm 300lfm 400lfm 500lfm 600lfm ipm12s(standard) output current vs. ambient temperature and air velocity @ vin = 12v, vo = 3.3v (either orientation) 0 1 2 3 4 5 6 7 8 9 35 40 45 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection 100lfm 200lfm 300lfm 400lfm 500lfm
ds_ipm12s0a008_ 0320 2007 12 thermal curves (con.) fig ure 36 : output current vs. ambient temperature and air velocity @ vin=12v, vo=2.5v figure 3 7 : output current vs. ambient temp erature and air velocity @ vin=12v, vo=1.8v figure 38 : output current vs. ambient temperature and air velocity @ vin=12v, vo=1.5v fig ure 39 : output current vs. ambient temperature and air velocity @ vin=12v, vo=1.2v figure 4 0 : output current vs. ambient temperature and air velocity @ vin=12v, vo=1.0v figure 41 : output current vs. ambient temperature and air velocity @ vin=12v, vo=0.9v ipm12s(standard) output current vs. ambient temperature and air velocity @ vin = 12v, vo = 2.5v (either orientation) 0 1 2 3 4 5 6 7 8 9 35 40 45 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection 100lfm 200lfm 300lfm 400lfm ipm12s(standard) output current vs. ambient temperature and air velocity @ vin = 12v, vo = 1.8v (either orientation) 0 1 2 3 4 5 6 7 8 9 35 40 45 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection 100lfm 200lfm 300lfm ipm12s(standard) output current vs. ambient temperature and air velocity @ vin = 12v, vo = 1.5v (either orientation) 0 1 2 3 4 5 6 7 8 9 35 40 45 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection 100lfm 200lfm 300lfm ipm12s(standard) output current vs. ambient temperature and air velocity @ vin = 12v, vo = 1.2v (either orientation) 0 1 2 3 4 5 6 7 8 9 35 40 45 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection 100lfm 200lfm 300lfm ipm12s(standard) output current vs. ambient temperature and air velocity @ vin = 12v, vo = 1.0v (either orientation) 0 1 2 3 4 5 6 7 8 9 35 40 45 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection 100lfm 200lfm 300lfm ipm12s(standard) output current vs. ambient temperature and air velocity @ vin = 12v, vo = 0.9v (either orientation) 0 1 2 3 4 5 6 7 8 9 35 40 45 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection 100lfm 200lfm 300lfm
ds_ipm12s0a008_ 0320 2007 13 pick and place locat ion all dimensions are in millimeters (inches) surface - mount tape & reel all dimensions are in millimeters (inches) lead free process r ecommend temp. profile note : all temperature refer s to topside of the package, measured on the package body surface. time 60 ~ 150 sec. above 217 0 c 20 ~ 40 sec. ramp up max. 3.0 0 c/sec preheat time 60 ~ 180 sec. ramp down max. 6.0 0 c/sec temp. time 25 0 c 150 0 c 200 0 c 217 0 c peak temp. 240 ~ 245 0 c time 60 ~ 150 sec. above 217 0 c 20 ~ 40 sec. ramp up max. 3.0 0 c/sec preheat time 60 ~ 180 sec. ramp down max. 6.0 0 c/sec temp. time 25 0 c 150 0 c 200 0 c 217 0 c peak temp. 240 ~ 245 0 c
ds_ipm12s0a008_ 0320 2007 14 mechanical drawing smd package s ip package note: the copper pad is recommended to connect to the ground. note: all dimension are in millimeters (inches) standard dimension t olerance is ) recommend pwb pad layout recommend pwb hole layout 1 2 3 4 5 1 2 3 4 5 7 6 1 2 3 4 5
ds_ipm12s0a008_ 0320 2007 15 part numbering syste m ipm 12 s 0a0 r 08 f a product family input voltage number of outputs output voltage package output current option code integrated pol module 04 - 3v ~ 5.5v 12 - 8 v ~ 14 v s - single 0a0 - programmab le output r - sip s - smd 08 - 8a 10 - 10a f - rohs 6/6 (lead free) a - standard fun c tion model list model name packaging input voltage output voltage o utput current efficiency (typical @ full load) ipm 12 s0a0r0 8f a sip 8v ~ 14v 0. 8 v ~ 5 v 8 a 93% ipm12s0a0s08f a smd 8v ~ 14v 0. 8 v ~ 5 v 8 a 93% ipm04s0a0r10 f a sip 3v ~ 5.5v 0. 8v ~ 3.3v 10a 94% ipm04s0a0 s 10 f a smd 3v ~ 5.5v 0. 8v ~ 3.3v 10a 94% c ontact: www.deltaww.com/dcdc usa: telephone: east coast: 978 - 656 - 3993 west coast: 510 - 668 - 5100 fax: (978) 656 3964 email: dcdc@delta - corp.com europe: telephone: +31 - 20 - 655 - 0967 fax: +31 - 20 - 655 - 0999 email: dcdc@delta - es. com asia & the rest of world : telephone: +886 3 4526107 x6220 ~6224 fax: +886 3 4513485 email: dcdc@delta.com.tw warranty delta offers a two ( 2) y ear limited warranty. complete warranty information is listed on our web site or is available upon request from delta. information furnished by delta is believed to be accurate and reliable. however, no responsibility is assumed by delta for its use, nor for any infringements 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 delta. delta reserves the right to revise these specifications at any t ime, without notice .

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