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d s_v36se3r315_ 10252013 ? high e fficiency: 90.5 % @ 3.3 v/ 15 a , 48vin 88.5 % @ 3.3 v/ 12 a, 24vin ? size: 33.0 x 22. 8 x 9.3 mm (1.3 0 x 0.90 x 0. 37 ) ? industry standard 1/16th brick size & pinout ? input uvlo ? otp and o utput ocp, ovp (default is auto - recovery) ? output voltage trim: - 2 0%, +10% ? monotonic star tup into normal and pre - biased loads ? 2250v isolation and b asic insulation ? no minimum load required ? smd and through - hole versions ? iso 900 1 , tl 9000, iso 14001 , qs 9000, ohsas 18001 certified manufacturing facility ? ul/cul 60950 - 1 (us & canada ) recognized applications ? optical transport ? data networking ? communications ? servers options ? smd pins ? positive remote on/off delphi series v36se, 1/16 th brick dc/dc power modules: 18~ 75 vin, 3.3vo, 50w the delphi series v 36se , 1/16 th brick, 18~75v wide input, single output , isolated dc/dc converter, is the latest offering from a world leader in power syst ems technology and manufacturing D delta electronics, inc. this product family provides up to 5 0 watts of power in the industry standard 1/16 th brick form factor (1.3 0 x0.90) and pinout. with c reative design technology and optimization of component placem ent , these converters possess outstanding electrical and thermal performance, as well as extremely high reliability under highly stressful operating conditions. for the 3.3 v output module, it delivers 50w ( 15 a) output with 36 to 75v input and delivers 40w ( 12 a) output while the input is 18 to 36v to the same module. typical efficiency of the 3.3 v/ 15 a module is greater than 90.5 %. all modules are protected from abnormal input/output voltage, current, and temperature conditions. for lower power needs, but in a similar small form factor, please check out delta s48sp (36w or 10a) and s36se (17w or 5a) series standard dc/dc modules.
v36se3r315_ 10252013 2 technical specificat ions ( t a =25c, airflow rate=300 lfm, v in =48vdc, nominal vout unless otherwise noted.) n ote1: for applications with higher output capacitive load , please contact delta parameter notes and conditions v36 s e3r315 (standard) min. typ. max. units absolute maximum ratings input voltage vdc continu ous 0 80 vdc transient (100ms) 100ms 0 100 vdc operating temperature refer to figure 19 for measuring point - 40 1 18 c storage temperature - 55 125 c input/output isolation voltage 2250 vdc input characteristics operating input voltage 18 48 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 1.8 vdc maximum input current 100% load, 18 vin 3.9 a no - load input current 30 ma o ff converter input current 8 ma inrush current (i 2 t) 1 a 2 s input reflected - ripple current p - p thru 12h inductor, 5hz to 20mhz 10 ma input voltage ripple rejection 120 hz 50 db output characteristics output voltage set point vin=48v, io =io.max, tc=25c 3.267 3.300 3.333 vdc output voltage regulation over load io=io, min to io, max 3 1 0 mv over line vin=36v to 75v 3 1 0 mv over temperature tc= - 40c to 8 5 c 33 mv total output voltage range over sample load, line and tempe rature 3.20 3.30 3.40 v output voltage ripple and noise 5hz to 20mhz bandwidth peak - to - peak full load, 1f ceramic, 10 0 f tantalum 60 mv rms full load, 1f ceramic, 10 0 f tantalum 10 mv operating output current range vin = 18v - 36v 0 12 a vin = 36v - 75v 0 15 a output over current protection output voltage 10% low 1 1 0 1 4 0 % dynamic characteristics output voltage current transient 48v, 1 0f tan & 1f ceramic load cap, 0.1 a/s positive step change in output current 25% io.max to 50% io.max 100 mv negative step change in output current 50% io.max to 25% io.max 100 mv settling time (within 1% vout nominal) 200 s turn - on transient start - up time, from on/off control 30 ms start - up time, from input 30 ms maximum o utput capacitance (note1) full load; 5% overshoot of vout at startup 10000 f efficiency 100% load vin = 48v 90.5 % 100% load vin = 24v 8 8.5 % 60% load vin = 48v 90.0 % isolation characteristics input to output 2250 vdc isolati on resistance 10 m isolation capacitance 1 0 00 pf feature characteristics switching frequency 580 khz on/off control , negative remote on/off logic logic low (module on) von/off 0. 8 v logic high (module off) von/off 2.4 18 v on/off control, positi ve remote on/off logic logic low (module off) von/off 0. 8 v logic high (module on) von/off 2.4 18 v on/off current (for both remote on/off logic) ion/off at von/off=0.0v 1 ma leakage current (for both remote on/off logic) logic high, von/of f=15v output voltage trim range pout Q max rated power ,io Q io.max - 2 0 10 % output voltage remote sense range pout Q max rated power ,io Q io.max 10 % output over - voltage protection over full temp range; % of nominal vout 115 140 % general specifications mtbf io=80% of io, max; ta= 25 c , airflow rate=300flm 5.8 m hours weight 12.1 grams over - temperature shutdown refer to figure 19 for measuring point 128 c
v36se3r315_ 10252013 3 electrical character istics cur ves figure 1: efficiency vs. load current for minimum, nominal, and maximum input voltage at 25c 18v~36v in , io,max is 12 a, 36v~75vin, io,max is 15 a figure 2: power dissipation vs. load current for minimum, nominal, and maximum input voltage at 25c 18v~36v in , io,max is 12 a, 36v~75vin, io,max is 15 a figure 3: typical full load input characteristics at room temperature 70 73 76 79 82 85 88 91 10 20 30 40 50 60 70 80 90 100 output current(a%) efficiency(%) 1 18vin 24vin 48vin 75vin 0 1 2 3 4 5 6 7 10 20 30 40 50 60 70 80 90 100 output current(a%) power dissipation(w) 1 18vin 24vin 48vin 75vin 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3 15 20 25 30 35 40 45 50 55 60 65 70 75 input voltage (v) input current (a) 1
v36se3r315_ 10252013 4 electrical character istics curves for negative remote on/off logic figure 4: tu rn - on transient at full rated load current (resistive load) ( 10 ms/div). vin=48v. top trace: vout , 1 .0 v/div; bottom trace: on/off input, 2 v/div figure 5: turn - on transient at zero load current ( 10 ms/div). vin=48v. top trace: vout: 1 .0 v/div , bottom tra ce: on/off input , 2 v/div figure 6 : output voltage response to step - change in load current ( 50 % - 25 % - 50 % of io, max; di/dt = 0.1a/s ; vin is 24v ) . load cap: 10f tantalum capacitor and 1f ceramic capacitor. top trace: vout ( 50 mv/div, 200us /div ), bottom trace: iout ( 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 7 : output voltage response to step - change in load current ( 50 % - 25 % - 50 % of io, max; di/dt = 0.1 a/s ; vin is 48v ). load cap: 10f tantalum capacitor and 1f ceramic capacitor . top trace: vout ( 50 mv/div, 200us /div ), bottom trace: iout ( 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.
v36se3r315_ 10252013 5 electrical character istics curves figure 8 : test set - up diagram showing measurement poin ts for input terminal ripple current and input reflected ripple current. note: measured input reflected - ripple current with a simulated source inductance (l test ) of 12 h. capacitor cs offset possible battery impedance. measure current as shown above fi gure 9 : input terminal ripple current, i c , at full rated output current and nominal input voltage ( vin=48v) with 12h source impedance and 33f electrolytic capacitor ( 200 ma/div , 1 us /div ) figure 10 : input reflected ripple cu rrent, i s , through a 12h source inductor at nominal input voltage (vin=48v) and rated load current (20 ma/div , 1 us /div ) figure 11 : output voltage noise and ripple measurement test setup figure 12 : output voltage ripple at nomina l input voltage (vin=48v) and rated load current (io= 15 a) (5 0 mv/div , 1 us /div ) . load capacitance: 1f ceramic capacitor and 10 0 f tantalum capacitor. bandwidth: 20 mhz. scope measurements should be made using a bnc cable (length shorter than 20 inches). pos ition the load between 51 mm to 76 mm (2 inches to 3 inches) from the module figure 13 : output voltage vs. load current showing typical current limit curves and converter shutdown points ( vin=48v) 0 0.5 1 1.5 2 2.5 3 3.5 0 2 4 6 8 10 12 14 16 18 20 load current (a) output voltage (v) strip copper vo(-) vo(+) 10u 1u scope resistive load
v36se3r315_ 10252013 6 ? the input s ource 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 / heatspreader is grounded the output must be also grounded , o ne vi pin and one vo pin sha ll 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 important for un - encapsulated and/or open frame type power modules. f or assistance on appropriate soldering and cleaning procedures, please contact deltas technical support team. design consideration s input source impedance the impedance of the input source connecting to the dc/dc power modules will interact with the mo dules 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 layout and emc considerations deltas dc/dc power modules are designed to operate in issues, please contact deltas technical deltas technical support safety consi derations the power module must be installed in compliance with the spacing and separation requirements of the end - users safety agency standard, i.e., ul60950 60 vdc and less than or equal to 75 vdc, for the modules
v36se3r315_ 10252013 7 features description s over - current 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 ex ceeds the ocp set point, the modules will automatically shut down, and enter hiccup mode or latch mode, which is optional. for hiccup mode, the module will try to restart after shutdown. if the over current condition still exists, the module will shut dow n again. this restart trial will continue until the over - current condition 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. ov er - 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 la tch mode, which is optional. for hiccup mode, the module will try to restart after shutdown. if the over voltage 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 reset 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 - temperature threshold 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 over tem perature condition still exists, the module will shut down again. this restart trial will continue until the over - temperature condition is corrected. for latch mode, the module will latch off once it shutdown. the latch is reset by either cycling the inpu t 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 remote 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 floati ng . figure 14 : remote on/off implementation remote sense remote sense compensates for voltage drops on the output by sensing the actual output voltage at the point of load. the voltage between the remote sense pins and the output terminals must not exceed the output voltage sense range given here: [vo(+) C vo( C )] C [sense(+) C sense( C )] 10% v out this limit includes any increase in voltage due to remote sense compensation and output voltage set point adjustment (trim). figure 15 : effective circuit configuration for remote sense operation v o ( + ) s e n s e ( + ) v o ( - ) t r i m v i ( + ) v i ( - ) o n / o f f r l o a d s e n s e ( - ) v o ( + ) s e n s e ( + ) v o ( - ) t r i m v i ( + ) v i ( - ) o n / o f f r l o a d s e n s e ( - ) c o n d u c t r e s i s t a n c e
v36se3r315_ 10252013 8 features description s (con.) if the remote sense feature is not used to regulate the output at the point of load, please connect sense(+) to vo(+) and sense( C ) to vo( C ) at the module . the outpu t voltage can be increased by both the remote sense and the trim; however, the maximum increase is the larger of either the remote sense or the trim, not the sum of both. when using remote sense and trim, the output voltage of the module is usually increa sed, which increases the power output of the module with the same output current. care should be taken to ensure that the maximum output power does not exceed the maximum rated power. output voltage adjustment (trim) to increase or decrease the output voltage set point, connect an external resistor between the trim pin and either the sense(+) or sense( - ). the trim pin should be left open if this feature is not used. figure 16 : circuit configuration for trim - down (decrease output voltage) if the ex ternal resistor is connected between the trim and sense ( - ) pins, the output voltage set point decreases (fig. 18 ). the external resistor value required to obtain a percentage of output voltage change ex. when tr im - down - 2 0% ( 3.30 v0. 8 = 2.64 v) figure 17 : circuit configuration for trim - up (increase output voltage) if the external resistor is connected between the trim and sense ( + ) the output voltage set point increases (fig. 19 ). th e external resistor value require d to obtain a percentage output voltage change ? ? ? ? ? ? ? ? ? ? ? ? ? k down rtrim 22 . 10 511 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? k k down rtrim 33 . 15 22 . 10 20 511 ? ? ? ? ? ? ? ? ? ? ? k up rtrim 22 . 10 511 1.24 ) (100 vo 11 . 5 ? ? ? ? ? ? ? ? ? ? ? ? k up rtrim 27 . 88 22 . 10 10 511 10 24 . 1 ) 10 100 ( 3 . 3 11 . 5
v36se3r315_ 10252013 9 thermal consideratio ns thermal management is an i mportant 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 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 ele ctronics 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 space between the neighboring pwb and the top of the power module is constantly kept at 6.35mm (0.25). figure 18 : wind tunnel test setup thermal derating heat can be removed by increasing air flow 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. thermal curves figur e 19 : temperature measurement location * the allowed maximum hot spot temperature is defined at 1 18 . figure 20 : output current vs. ambient temperature and air velocity @ v in =24v (either orientation) figure 21 : output current vs. ambient temperature and air velocity @ v in =48v (either orientation) 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 v36se3r315 (standard) output current vs. ambient temperature and air velocity @vin=24v (either orientation) 0 2 4 6 8 10 12 25 30 35 40 45 50 55 60 65 70 75 80 85 output current (a) ambient temperature ( ) natural convection 100lfm 200lfm v36se3r315 (standard) output current vs. ambient temperature and air velocity @vin=48v (either orientation) 0 3 6 9 12 15 25 30 35 40 45 50 55 60 65 70 75 80 85 output current (a) ambient temperature ( ) natural convection 100lfm 200lfm
v36se3r315_ 10252013 10 pick and place loc ation re commended pad layout (smd) surface - mount tape & reel
v36se3r315_ 10252013 11 lea ded (sn/ pb ) process recommend ed temperature profile note: the temperature refers to the pin of v36se, measured on the pin +vout joint. lead free (sac) proc ess recommended temp erature profile note: the tempe rature refers to the pin of v 36se , 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
v36se3r315_ 10252013 12 mechanical drawing s urface - mou nt module t hrough - hole module pin no. name function 1 2 3 4 5 6 7 8 + vin on/off - vin - vout - sense trim + sense + vout positive input voltage remote on/off nega tive input voltage negative output voltage negative re mote sense output voltage trim positive remote sense positive output voltage
v36se3r315_ 10252013 13 part numbering syste m v 36 s e 3r3 15 n r f a type of product input voltage number of outputs product series output voltage output current on/off logic pin length/type option code v - 1/16 b rick 36 - 18v~75v s - single e - regular 3r3 - 3.3 v 15 - 15 a n - negative p - positive m - smd n - 0.145" r - 0.170 k C 0.110 space - rohs 5/6 f - rohs 6/6 (lead free) a - standard functions model list model name input output eff @ 100 % load v 36 s e3r315nrfa 18 v~75v 3. 9 a 3.3v 12 a ( 18 ~ 36 vin) & 15 a (36~75vin) 88.5% @ 24vin, 90.5 % @ 48vin v 36 s e3r315nmfa 18 v~75v 3. 9 a 3.3v 12 a ( 18 ~ 36 vin) & 15 a (36~75vin) 88.5% @ 24vin, 90.5 % @ 48vin v 36 s e3r315nnfa 18 v~75v 3. 9 a 3.3v 12 a ( 18 ~ 36 vin) & 15 a (36~75vin) 88.5% @ 24vin, 90.5 % @ 48vin default remote on/off logic is negative and pin length is 0.170 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: p hone: +31 - 20 - 655 - 0967 fax: +31 - 20 - 655 - 0999 email: dcdc @ delta - es.com asia & the rest of world : telephone: +8 86 3 4526107 ext 6220~6224 fax: +886 3 4513485 email: dcdc@delta.com.tw warranty delta offers a two ( 2) year limited warranty. complete warranty information is listed on our web site or is available upon reques t from delta. information furnished by delta is believed to be accurate and reliable. however, no responsibility is assumed by delta for it s use, nor for any infringements of patents or other rights of third parties, which may result from its use. no lice nse is granted by implication or otherwise under any patent or patent rights of delta. delta reserves the right to revise these specificatio ns at any time, without notice .

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