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datasheet ds_s36se12001_ 10252013 features ? high efficiency : 87 % @ 12 v/ 1.3 a ? industry standard 1x 1 pinout ? size: 27 .9 x 24.4x8. 7 mm ( 1. 1 0 x 0.96 x 0. 3 4 ) ? fixed frequency operation ? smt and through - hole versions ? 4 :1 input voltage range ? input uvlo ? output ocp , ovp and otp ? monotonic startup into normal and pre - bias loads ? output voltage trim 10% ? 2250v isolation and b asic insulat ion ? no minimum load required ? iso 900 1 , tl 9000, iso 14001, qs9000, ohsas18001 certified manufacturing facility ? ul/cul 60950 - 1 (us & canada) recognized applications ? optical transport ? data networking ? communications, including wireless and traditional teleco m ? servers options ? positive, negative, or no on/off ? otp and output ovp , ocp mode, auto - re start (default) or latch - up ? surface mounted pins ? encapsulated with plastic case delphi s 36 se, 1 7 w 1x1 brick series dc/dc power modules: 18~75v in, 12 v/1. 3 a o ut the delphi s 36 se series, 1x1 sized, 18~75vin, single output, isolated dc/dc converters are the latest offering from a world leader in power systems technology and manufacturing delta electronics, inc. this product family is available in either a surf ace mount or through - hole package and provides up to 17 watts of power or 5 a of output current ( 3.3 v and below) in a standard 1x1 form factor (1.1 0 x0.96x0.3 3 ). the pinout is compatible with the popular industry standard 1x 2 sized products. with creative design technology and optimization of component placement, these converters possess outstanding electrical and thermal performance, as well as extremely high reliability under highly stressful operating conditions. the s36se 12v module could provide full output power without any airflow up to 80 ? c ambient temperature while keeping the component junction temperatures under most derating guidelines. typical efficiency of 12v/1. 3 a module is better than 8 7 % and all modules are fully protected from abnormal inp ut/output voltage, current, and temperature conditions.
ds_s36se12001_ 10252013 2 technical specificat ions t a = 25c, airflow rate = 3 00 lfm, v in = 48 v dc, nominal vout unless otherwise noted. parameter notes and conditions s 36 se 12001 (standard) min. typ. max. units absolute maximum ratings input voltage continuous 80 vdc transient(100ms) 100ms 100 vdc operating case temperature (open frame) refer to figure 20 for measuring point - 40 123 c operating case temperature (encapsulated) refer to figure 2 3 for measuring point - 40 109 c storage temperature - 55 125 c input/output isolation voltage 2250 vdc input characteristics operating input voltage 18 75 vdc input under - voltage lockout turn - on voltage threshold 16 17 18 vdc turn - off voltage threshold 15 16 17 vdc lockout hysteresis voltage 0.5 1 1.5 vdc maximum input current 100% load, 18vin 1.1 a no - load input current 15 ma off converter input current 5 ma inrush current (i 2 t) 0.01 a 2 s input reflected - ripple current p - p thru 12h inductor, 5hz to 20mhz 8 ma input voltage ripple rejection 120 hz 60 db output characteristics output vo ltage set point vin=48v, io=io.max, tc=25c 11.82 12.00 12.18 vdc output voltage regulation over load io=io, min to io, max 3 10 mv over line vin= 18 v to 75v 3 10 mv over temperature tc= - 40c to 100c 1 20 mv total output voltage range ove r sample load, line and temperature 11.64 12.36 v output voltage ripple and noise 5hz to 20mhz bandwidth peak - to - peak full load, 1f ceramic, 10f tantalum 50 mv rms full load, 1f ceramic, 10f tantalum 15 mv operating output current range 0 1.3 a output dc current - limit inception output voltage 10% low 110 120 130 % output dc current - limit inception (for option code r) output voltage 10% low 140 % dynamic characteristics output voltage current transient 48v, 10f tan & 1f cerami c load cap, 0.1a/s positive step change in output current 50% io.max to 75% io.max 150 mv negative step change in output current 75% io.max to 50% io.max 150 mv settling time (within 1% vout nominal) 6 00 u s turn - on transient start - up time, from on/off control 16 25 ms start - up time, from input 16 25 ms maximum output capacitance full load; 5% overshoot of vout at startup 500 f efficiency 100% load 87. 5 % 60% load 8 5. 5 % isolation characteristics input to output 2250 vdc isolation resistance 10 m isolation capacitance 1000 pf feature characteristics switching frequency 450 khz on/off control, negative remote on/off logic logic low (module on) von/off - 0.7 0.8 v logi c high (module off) von/off 2 18 v on/off control, positive remote on/off logic logic low (module off) von/off - 0.7 0.8 v logic high (module on) von/off 2 18 v on/off current (for both remote on/off logic) ion/off at von/off=0.0v 0.25 ma leakage current (for both remote on/off logic) logic high, von/off=15v 30 ua output voltage trim range across trim pin & +vo or C vo, pout Q max rated - 10% 10% % output over - voltage protection over full temp range; 13.8 16.8 v general specifications mtbf io=80% of io, max; t a = 25 c , 300lfm 5.74 m hours weight 9.0 grams over - temperature shutdown (open frame) refer to figure 20 for measuring point 1 28 c over - temperature shutdown (encapsulated) refer to figure 23 for measuring point 1 14 c
ds_s36se12001_ 10252013 3 electrical character istics curves figure 1 : efficiency vs. load current for minimum, nominal, and maximum input voltage at 25c . figure 2 : power dissipation vs. load current for minimum, nominal, and maximum input voltage at 25c . figure 3 : typical full load input characteristics at room temperature . figure 4 : (for negative remote on/off logic) turn - on transient at full rated load current (5 ms/div). vin=48v. top trace: vout , 5 v/div; bottom trace: on /off input, 5 v/div . fig ure 5 : (for negative remote on/off logic) turn - on transient at zero load current ( 5 ms/div). vin=48v. top trace: vout , 5 v/div , bottom trace: on/off input , 5v/div . figure 6 : (for positive remote on/off logic) turn - on transien t at full rated load current ( 5 ms/div). vin=48v. top trace: vout , 5 v/div; bottom trace: on/off input , 5v/div . 0 0.2 0.4 0.6 0.8 1 1.2 1.4 15 20 25 30 35 40 45 50 55 60 65 70 75 input voltage(v) input current(a)
ds_s36se12001_ 10252013 4 e lectrical characteri stics curves (con.) figure 7: (for positive remote on/off logic) turn - on transient at zero load current ( 5 ms/div ). vin=48v. top trace: vout , 5 v/div; bottom trace: on/off input , 5v/div . figure 8 : output voltage response to step - change in load current (75% - 50% of io, max; di/dt = 0.1a/s). load cap: 10f tantalum capacitor and 1f ceramic capacitor. top trace: vout ( 100 mv/div, 1 00 us /div ), bottom trace: iout ( 0.5 a/div). scope measurement should be made using a bnc cable (length shorter than 20 inches). position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module . figure 9 : output voltage respo nse to step - change in load current ( 50 % - 75 % of io, max; di/dt = 0.1a/s). load cap: 10f tantalum capacitor and 1f ceramic capacitor. top trace: vout ( 100 mv/div, 1 00 us /div ), bottom trace: iout (0.5a/div). scope measurement should be made using a bnc cable (length shorter than 20 inches). position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module . figure 1 0 : test set - up diagram showing measurement points for input terminal ripple current and input reflected ripple current. note: measur ed input reflected - ripple current with a simulated source inductance (l test ) of 12 h. capacitor cs offset possible battery impedance. measure current as shown below.
ds_s36se12001_ 10252013 5 electrical character istics curves figure 11 : input terminal ripple current, i c , at full rated output current and nominal input voltage with 12h source impedance and 33f electrolytic capacitor ( 20 m a /div , 1us /div ) figure 1 2: input reflected ripple current, i s , through a 12h source inductor at nominal input voltage and rated load c urrent (20 ma/div , 2us /div ) figure 1 3: output voltage noise and ripple measurement test setup figure 14 : output voltage ripple at nominal input voltage and rated load current (io= 1.3 a) (5 0 mv/div , 5us /div ) load capacitance: 1f ceramic capacitor a nd 10f tantalum capacitor. bandwidth: 20 mhz. scope measurements should be made using a bnc cable (length shorter than 20 inches). position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module figure 15 : output voltage vs. load current showing typical current limit curves and converter shutdown points 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 load current (a) ou tpu t voltage (v) vin=48v strip copper vo(-) vo(+) 10u 1u scope resistive load
ds_s36se12001_ 10252013 6 design considerations input source impedance the impedance of the input source connecting to the dc/dc power modules will interact with the modules and affect the stability. a low ac - impedance input source is recommended. if the source inductance is more than a few h, we advise adding a 10 to 100 f electrolytic capacitor (esr < 0.7 at 100 khz) mounted close to the input of the module to improve the stability. layout and emc considerations deltas dc/dc power modules are designed to operate in a wide vari ety of systems and applications. for design assistance with emc compliance and related pwb layout issues, please contact deltas technical support team. an external input filter module is available for easier emc compliance design. below is the example of using delta latest fl75 l07 a input filter tested with s36se series to meet class b in cisspr 22. schematic and components list c1 is 22 uf/100v, low esr aluminum cap; c2 is 2.2 uf ceramic cap; c3 is 22n f ceramic capacitor; fl75 l07 a is delta input emi filter module. test result test result is in compliance with cispr 22 class b, which is shown as below: vin=48v, po=15w, average mode safety considerations the power module must be installed in compliance with the spacing and separation requirements of the end - users safety agency standard, i.e., ul60950, can/csa - c22.2 no. 60950 - 00 and en60950: 2000 and iec60950 - 1999, if the system in which the power module is to be used must meet safety agency requirements. ba sic insulation based on 75 vdc input is provided between the input and output of the module for the purpose of applying insulation requirements when the input to this dc - to - dc converter is identified as tnv - 2 or selv. an additional evaluation is needed if the source is other than tnv - 2 or selv. when the input source is selv circuit , the power module meets selv (safety extra - low voltage) requirements. if the input source is a hazardous voltage which is greater than 60 vdc and less than or equal to 75 vdc, for the modules output to meet selv requirements, all of the following must be met: c 3 s 36 se series c 1 c 2 fl 75 l 07 a l o a d
ds_s36se12001_ 10252013 7 ? the input source must be insulated from the ac mains by reinforced or double insulation. ? the input terminals of the module are not operator accessible. ? if the metal baseplate is grounded , o ne vi pin and one vo pin shall also be grounded. ? a selv reliability test is conducted on the system where the module is used , in combination with the module, to ensure that under a single fault, hazardous voltage does not appear at the modules soldering and cleaning considerations post solder cleaning is usually the final board assembly process before the board or system undergoes electrical testing. inadequate cleaning and/or drying may lower the reliability of a power module and severely affect the finished circuit board assembly test. adequate cleaning and/or drying is especially impo rtant for un - encapsulated and/or open frame type power modules. for assistance on appropriate soldering and cleaning procedures, please contact deltas technical
ds_s36se12001_ 10252013 8 features description s over - cur rent protection the modules include an internal output over - current protection circuit, which will endure current limiting for an unlimited duration during output overload. if the output current exceeds the ocp set point, the modules will automatically sh ut down, and enter hiccup mode or latch mode, which is optional. for hiccup mode, the module will try to restart after shutdown. if the overload condition still exists, the module will shut down again. this restart trial will continue until the overload c ondition is corrected. for latch mode, the module will latch off once it shutdown. the latch is reset by either cycling the input power or by toggling the on/off signal for one second. over - voltage protection the modules include an internal output over - voltage protection circuit, which monitors the voltage on the output terminals. if this voltage exceeds the over - voltage set point, the module will shut down, and enter in hiccup mode or latch mode, which is optional. for hiccup mode, the module will try to restart after shutdown. if the overload condition still exists, the module will shut down again. this restart trial will continue until the over - voltage condition is corrected. for latch mode, the module will latch off once it shutdown. the latch is re set by either cycling the input power or by toggling the on/off signal for one second. over - temperature protection the over - temperature protection consists of circuitry that provides protection from thermal damage. if the temperature exceeds the over - tem perature threshold the module will shut down, and enter in hiccup mode or latch mode, which is optional. for auto - restart mode, the module will monitor temperature after shut down. once the temperature is within the specification, the module will be auto - restarted. for latch mode, the module will latch off once it shutdown. the latch is reset by either cycling the input power or by toggling the on/off signal for one second. remote on/off the remote on/off feature on the module can be either negative or positive logic. negative logic turns the module on during a logic low and off during a logic high. positive logic turns the modules on during a logic high and off during a logic low. remote on/off can be controlled by an external switch between the on/off terminal and the v i ( - ) terminal. the switch can be an open collector or open drain. for negative logic i f the r emote on/off feature is not used, please short the on/off pin to vi( - ). for pos i tive logic i f the remote on/off feature is not used, please leave the on/off pin floating . figure 16 : remote on/off implementation vi(+) vi( - ) on/off vo(+) trim vo( - ) r load vi(+) vi( - ) on/off vo(+) trim vo( - ) r load
ds_s36se12001_ 10252013 9 features description s (con.) output voltage adjustment to increase or de crease the output voltage set point, the modules may be connected with an external resistor between the trim pin and either the vo (+) or vo ( - ). the trim pin should be left open if this feature is not used. figure 17 : circuit configuration for trim - dow n (decrease output voltage) if the external resistor is connected between the trim and vo(+) pins, the output voltage set point decreases (fig. 1 7). the external resistor value required to obtain an output voltage change from 12 v to the desired vo_adj is defined as: ex. when trim - down - 1 0% vo_adj= 12 v(1 - 10%)= 10.8 v ohm figure 18 : circuit configuration for trim - up (increase output voltage) if the external resistor is connected between the trim and vo( - ) the output voltage set point increases (fig. 18 ). the external resistor value require d to obtain an output voltage change from 12 v to the desired vo_adj is defined as: ex. when trim - up +10% vo_adj= 12 v(1+10%)= 13.2 v ohm when using trim function, the output voltage of the module is usually increased, which increases the power output of the module with the same output current. care should be taken to ensure that the maximum output power of the module remains at or below the maximum rated power. r load vo (+) trim vo ( - ) r trim - down vi (+) vi ( - ) on/off r load vo (+) trim vo ( - ) r trim - down vi (+) vi ( - ) on/off vo (+) trim vo ( - ) r trim - down vi (+) vi ( - ) on/off rtrim_down vo_adj 2.5 ? ( ) 10000 ? 12 vo_adj ? 5110 ? rtrim_down 10.8 2.5 ? ( ) 10000 ? 12 10.8 ? 5110 ? rtri m_down 6.406 10 4 ? ? vo (+) trim vo ( - ) r load r trim - up vi (+) vi ( - ) on/off vo (+) trim vo ( - ) r load r trim - up vi (+) vi ( - ) on/off rtrim_up 2.5 10000 ? vo_adj 12 ? 5110 ? rtrim_up 2.5 10000 ? 13.2 12 ? 5110 ? rtrim_up 1.572 10 4 ? ?
ds_s36se12001_ 10252013 10 thermal derating heat can be removed by increasing airflow over the module. to enhance system reliability, the power module should always be operated below the maximum operating temperature. if the te mperature exceeds the maximum module temperature, reliability of the unit may be affected. thermal curves (open frame) figure 20 : temperature measurement location the allowed maximum hot spot temperature is defined at 123 . figure 21: output c urrent vs. a mbient t emperature and air velocity @ v in = 24 v (either orientation ) figure 2 2 : output c urrent vs. a mbient t emperature and air velocity @ v in =48 v (either orientation ) 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 the module. convection cooling is usually the dominant mode of heat transfer. hence, the choi ce 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 e lectronics 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 p wb and is vertically positioned within the wind tunnel. the space between the neighboring pwb and the top of the power module is constantly kept at 6.35mm (0.25). figure 19: wind tunnel test setup s36se12001(standard) output current vs. ambient temperature and air velocity @vin = 24v (either orientation) 0.0 0.3 0.6 0.9 1.2 1.5 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection s36se12001(standard) output current vs. ambient temperature and air velocity @vin = 48v (either orientation) 0.0 0.3 0.6 0.9 1.2 1.5 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection note: wind tunnel test setup figure dimensions are in millimeters and (inches) 12.7 (0.5) module air flow 50.8 (2.0) facing pwb pwb air velocity and ambient temperature measured below the module
ds_s36se12001_ 10252013 11 thermal curves (enca psulated) figure 2 3: temperature measurement location th e allowed maximum hot spot temp erature is defined at 1 09 . figure 24: output c urrent vs. a mbient t emperature and air velocity @ v in = 24 v (either orientation ) figure 25: output c urrent vs. a mbient t emperature and air velocity @ v in =48 v (either orientation ) s36se12001(encapsulation) output current vs. ambient temperature and air velocity @vin = 24v (either orientation) 0.0 0.3 0.6 0.9 1.2 1.5 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) 100lfm natural convection s36se12001(encapsulation) output current vs. ambient temperature and air velocity @vin = 48v (either orientation) 0.0 0.3 0.6 0.9 1.2 1.5 50 55 60 65 70 75 80 85 ambient temperature ( ) output current(a) natural convection
ds_s36se12001_ 10252013 12 lea ded (sn/ pb ) process recommend temperature p rofile note: the temperature refers to the pin of s36se, measured on the pin +vout joint. lead free (sac) proc ess recommend temper ature profile note: the temperature refers to the pin of s36se, measured on the pin +vout joint. temp . time 150 200 100~140 sec. time limited 90 sec. above 217 217 preheat time ramp up max. 3 ramp down max. 4 peak temp. 240 ~ 245 25
ds_s36se12001_ 10252013 13 mechanical drawing s urface - mount module t hrough - hole module pin no. name function 1 2 3 4 5 6 +vin - vin on/off(optional) - vout trim (optional) +vout positive input voltage negative input voltage remote on/off (optional) negative output voltage output voltage trim (optional) positive output voltage
ds_s36se12001_ 10252013 14 mechanical drawing (plastic case encaps ulated and thro ugh - hole)
ds_s36se12001_ 10252013 15 part numbering syste m s 36 s e 120 01 n r f b product type input voltage number of outputs product series output voltage output current on/off logic pin length option code s - small power 18v~75v s - single 1x1, 17w 120 - 12 v 0 1 - 1.3 a n - negative (default) p - positive e - no r emote on/off control pin r - 0.170 (default) n - 0.145 k - 0.110 m - smd f - rohs 6/6 (lead free) a - no trim pin b - with trim pin (default) r - with trim pin and ocp 140% f - encapsulated and with trim mo del list model name input output eff @ 100% load s 36 se3r305nr fb 18v~75v 1. 3 a 3.3v 5 a 8 6 .5% s 36 se050 03 nrfb 18 v~75v 1.1 a 5.0v 3a 8 3 .0 % s36se12001nrfb 18 v~75v 1.1 a 12v 1.3a 8 7 .0 % s36se12001erff 18 v~75v 1.1 a 12v 1.3a 8 7 .0 % s36se12001nrfr 18 v~75v 1.1 a 12v 1.3a 8 7 .0 % note: 1. default remote on/off logic is negative; 2. default p in length is 0.170; 3. default otp and output ovp, ocp mode is auto - restart 4. for different options, please refer to part numbering system above or contact your local sales office . c on tact : 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: p hone: +31 - 20 - 655 - 0967 fax: +31 - 20 - 655 - 0999 email: dcdc @ delta - es.com asia & the rest of world : telephone: +886 3 4526107 ext 6220 ~6224 fax: +886 3 4513485 email: dcdc@delta.com.tw warra nty delta offers a two ( 2) year 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 assume d 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 t hese specifications at any time, without notice .
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