sc15a dac series C power module specifications are subject to change without notice. customers should verify actual device performance in their specific applications. standard options features low cost 15 amp output current 90 % efficiency industry-standard pin-out low 0.6 ? profile non-isolated output remote sense trim function enable / disable short-circuit protection with auto-restart fast transient response high-temperature operation output precharge capability patents 5,770,940; 5,978,195 & 6,127,814 general information the sc15a dac is a low-cost, 15 amp, non-isolated dc-dc converter with an amazingly small footprint of only 0.8 in 2 . designed for today s high power microprocessors, the sc15a accepts either 5 v or 3.3 v inputs and offers dac controlled outputs from 1.25 v to 3.5 v. using bourns proprietary v 2 architecture, the sc15a dac provides ultrafast transient response, improved line and load regulation, and very high efficiency. it also incorporates short-circuit protection, enable / disable control, output voltage trim, and remote sense. input specifications voltage 5 v input ................................4.5 vdc min. 5 vdc nom. 5.5 vdc max. (4.75 vin start-up) 3.3 v input .............................3.0 vdc min. 3.3 vdc nom. 3.6 vdc max. current ........................................15 a max. enable voltage high = disable.....................2.4 vdc min. (source 500 ma) low = enable .....................0.4 vdc max. enable/disable current .............1 ma nom. output specifications current ..........................................15 a max. voltage setpoint accuracy .......................................? %vnom max. voltage trim range.......-10 to +10 %vnom line regulation ......................?.1 %vnom load regulation ....................?.3 % vnom current limit...................................18 a min. 21 a nom. 30 a max. dynamic response 0 to 15 a load ...................200 mv nom. ( ? i/ ? t = 3 a/?) 19 ? nom. 15 to 0 a load ...................200 mv nom. ( ? i/ ? t = 3 a/?) 19 ? nom. temperature regulation ...............................?.02 %vout/? max. general specifications mbtf .................................1,000 khrs nom. (bellcore tr332, 25 ?) operating temperature..........-25 to +85 ? (-40 to +85 ? optional) storage temperature...........-40 to +125 ? switching frequency ...............200 khz min. 300 khz nom. 400 khz max. 9.4 (0.37) 6.1 (0.24) 15.24 (0.6) 76.2 (3.00) 16 6 5 1 5.08 (0.2) 2.54 (0.1) 12.7 (0.5) 16.51 (0.65) 0.3 (0.012) typ. pin thickness 0.5 (0.020) typ. pin width 3.43 (0.135) typ. pin length below shoulder millimeters (inches) dimensions = pin descriptions: 1 C vout 5 C gnd 9 C vid3 13 C vin 2 C vout 6 C vid0 10 C vid4 14 C no pin 3 C sense 7 C vid1 11 C gnd 15 C trim 4 C vout 8 C vid2 12 C vin 16 C enable tolerances = .25 (.01) (.xx) = .13 (.005) (.xxx) = nominal input (v) output voltage (v) output current (a) short-circuit current typ. (a) noise max. (mv pp) efficiency typ. (%) sc15a-5sdac 5 1.3 to 3.5 15 22 100 90 sc15a-3sdac 3.3 1.3 to 2.5 output voltage selection vid4 vid3 vid2 vid1 vid0 output vid4 vid3 vid2 vid1 vid0 output 0 1 1 1 1 1.30 1 1 1 1 1 2.00 0 1 1 1 0 1.35 1 1 1 1 0 2.10 0 1 1 0 1 1.40 1 1 1 0 1 2.20 0 1 1 0 0 1.45 1 1 1 0 0 2.30 0 1 0 1 1 1.50 1 1 0 1 1 2.40 0 1 0 1 0 1.55 1 1 0 1 0 2.50 0 1 0 0 1 1.60 1 1 0 0 1 1 2.60 1 0 1 0 0 0 1.65 1 1 0 0 0 1 2.70 1 0 0 1 1 1 1.70 1 0 1 1 1 1 2.80 1 0 0 1 1 0 1.75 1 0 1 1 0 1 2.90 1 0 0 1 0 1 1.80 1 0 1 0 1 1 3.00 1 0 0 1 0 0 1.85 1 0 1 0 0 1 3.10 1 0 0 0 1 1 1.90 1 0 0 1 1 1 3.20 1 0 0 0 1 0 1.95 1 0 0 1 0 1 3.30 1 0 0 0 0 1 2.00 1 0 0 0 1 1 3.40 1 0 0 0 0 0 2.05 1 0 0 0 0 1 3.50 1 product dimensions 1 - not available in 3.3 vin.
asia-pacific: tel +886- (0)2 25624117 ?fax +886- (0)2 25624116 europe: tel +41-41 768 5555 ?fax +41-41 768 5510 the americas: tel +1-951 781-5500 ?fax +1-951 781-5700 www.bourns.com reliable electronic solutions copyright? 2005, bourns, inc. litho in u.s.a., rev. 1/05 product schematic v in 100 f / 10 v sc15a dac 12 - v in 13 - v in v out - 1 v out - 2 v out - 4 remote sense - 3 16 15 5 11 enable trim 100 f 10 v v out sc15a-5sxx sc15a-3sxx % maximum output % maximum output 100 80 60 40 20 0 100 80 60 40 20 0 -z low temp option -z low temp option -40 -30 -10 80 0 -20 70 60 50 90 still air ambient temperature (c) -40 -30 -10 80 0 -20 70 60 50 90 ambient temperature (c) 400 lfm still air 200 lfm 400 lfm how to order s c 15a - 5 s dac -z configuration internal identifier current/power (amps) input voltage (volts) outputs s = single output voltage (v) dac = 5-pin dac controlled output options z = industrial temperature range (-40 ? operation) temperature derating sc15a dac series C power module
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