dcdc specification 12/15 watts ? high power density ? 2:1 input range ? operating temperature 40 c to +100 c ? single & dual outputs ? remote on/off ? 1600 vdc isolation ? 3 year warranty jcg series input input voltage range ? 12 v (9-18 vdc) 24 v (18-36 vdc) 48 v (36-75 vdc) input current ? see table input filter ? pi network input reflected ? 20 ma pk-pk through 12 h inductor ripple current input surge ? 12 v models 36 vdc for 1000 ms 24 v models 50 vdc for 1000 ms 48 v models 100 vdc for 1000 ms undervoltage lockout ? none input reverse voltage ? none protection output output voltage ? see table minimum load ? no minimum load required initial set accuracy ? 1.2% max for jcg12, 1.0% for jcg15 start up delay ? 20 ms max line regulation ? 0.5% max load regulation ? 0.5% max single, 1.0% max dual cross regulation ? 5% on dual output models (see note 2) transient response ? <3% deviation, recovery to within 1% in 250 s for a 25% load change ripple & noise ? 85 mv pk-pk, 20 mhz bandwidth for jcg12, 60 mv pk-pk, 20 mhz bandwidth for jcg15 (see note 3) overload protection ? >150% of full load overvoltage protection ? 2.5/3.3 v models: 3.9 v typical 5 v models: 6.2 v typical 12 v models: 15.0 v typical 15 v models: 18.0 v typical 12 v models: 15.0 v typical 15 v models: 18.0 v typical short circuit protection ? trip & restart (hiccup) with auto recovery maximum capacitive ? see table load temperature ? 0.02/c max coefficient remote on/off ? on >3.0 vdc or open circuit off <1.2 vdc or short circuit pin 1, 2 & 3 xppower.com general efficiency ? see tables isolation voltage ? 1600 vdc input to output 1600 vdc input to case 1600 vdc output to case isolation capacitance ? 2000 f max switching frequency ? 330 khz typical power density ? 30 w/in 3 for jcg12, 37.5 w/in 3 for jcg15 mtbf ? >1.0 mhrs to mil-hdbk-217f at 25 c, gb environmental operating temperature ? -40 c to +100 c, derate from 100% load at +60 c to no load at +100 c case temperature ? +100 c max storage temperature ? -40 c to +125 c humidity ? up to 95%, non-condensing cooling ? natural convection emc emissions ? en55022 class a conducted and radiated with external components - see application note esd immunity ? en61000-4-2, level 3, perf criteria a eft/burst ? en61000-4-4, level 3, perf criteria a* surge ? en61000-4-5, installation class 3, perf criteria a* conducted immunity ? en61000-4-6, 10 vrms, perf criteria a magnetic field ? en61000-4-8, 1 a/m, perf criteria a * a 330 f, 100 v capacitor is required across input terminals to meet performance criteria a.
dcdc jcg12/15 models and ratings mechanical details pin connections pin single dual 1 remote on/off remote on/off 2 -vin -vin 3 -vin -vin 9 no pin common 11 not connected -vout 14 +vout +vout 16 -vout common 22 +vin +vin 23 +vin +vin input voltage output voltage output current input current (1) max. capacitive load efficiency model number no load full load 9-18 v 2.5 v 3.5 a 15 ma 0.89 a 2000 f 85% JCG1212S2V5 3.3 v 3.5 a 15 ma 1.15 a 2000 f 87% jcg1212s3v3 5.0 v 2.4 a 15 ma 1.16 a 2000 f 89% jcg1212s05 12.0 v 1.0 a 15 ma 1.15 a 430 f 90% jcg1212s12 15.0 v 0.8 a 15 ma 1.15 a 300 f 90% jcg1212s15 12.0 v 0.5 a 15 ma 1.15 a 200 f 90% jcg1212d12 15.0 v 0.4 a 15 ma 1.14 a 120 f 91% jcg1212d15 18-36 v 2.5 v 3.5 a 15 ma 0.45 a 2000 f 85% jcg1224s2v5 3.3 v 3.5 a 15 ma 0.57 a 2000 f 87% jcg1224s3v3 5.0 v 2.4 a 15 ma 0.58 a 2000 f 89% jcg1224s05 12.0 v 1.0 a 15 ma 0.58 a 430 f 90% jcg1224s12 15.0 v 0.8 a 15 ma 0.58 a 300 f 90% jcg1224s15 12.0 v 0.5 a 15 ma 0.58 a 200 f 90% jcg1224d12 15.0 v 0.4 a 15 ma 0.56 a 120 f 91% jcg1224d15 36-75 v 2.5 v 3.5 a 15 ma 0.23 a 2000 f 84% jcg1248s2v5 3.3 v 3.5 a 15 ma 0.28 a 2000 f 88% jcg1248s3v3 5.0 v 2.4 a 15 ma 0.29 a 2000 f 89% jcg1248s05 12.0 v 1.0 a 15 ma 0.29 a 430 f 88% jcg1248s12 15.0 v 0.8 a 15 ma 0.29 a 300 f 89% jcg1248s15 12.0 v 0.5 a 15 ma 0.29 a 200 f 88% jcg1248d12 15.0 v 0.4 a 15 ma 0.29 a 120 f 89% jcg1248d15 9-18 v 3.3 v 4.0 a 15 ma 1309 ma 4700 f 86% jcg1512s3v3 5.1 v 3.0 a 15 ma 1465 ma 3300 f 89% jcg1512s05 12.0 v 1.25 a 15 ma 1436 ma 600 f 89% jcg1512s12 15.0 v 1.0 a 15 ma 1420 ma 400 f 90% jcg1512s15 5.0 v 1.5 a 15 ma 1488 ma 1500 f 86% jcg1512d05 12.0 v 0.625 a 15 ma 1420 ma 288 f 90% jcg1512d12 15.0 v 0.5 a 15 ma 1420 ma 200 f 90% jcg1512d15 18-36 v 3.3 v 4.0 a 10 ma 647 ma 4700 f 87% jcg1524s3v3 5.1 v 3.0 a 10 ma 732 ma 3300 f 89% jcg1524s05 12.0 v 1.25 a 10 ma 710 ma 600 f 90% jcg1524s12 15.0 v 1.0 a 10 ma 702 ma 400 f 91% jcg1524s15 5.0 v 1.5 a 10 ma 744 ma 1500 f 86% jcg1524d05 12.0 v 0.625 a 10 ma 710 ma 288 f 90% jcg1524d12 15.0 v 0.5 a 10 ma 710 ma 200 f 90% jcg1524d15 36-75 v 3.3 v 4.0 a 5 ma 327 ma 4700 f 86% jcg1548s3v3 5.1 v 3.0 a 5 ma 370 ma 3300 f 88% jcg1548s05 12.0 v 1.25 a 5 ma 359 ma 600 f 89% jcg1548s12 15.0 v 1.0 a 5 ma 359 ma 400 f 89% jcg1548s15 5.0 v 1.5 a 5 ma 372 ma 1500 f 86% jcg1548d05 12.0 v 0.625 a 5 ma 359 ma 288 f 89% jcg1548d12 15.0 v 0.5 a 5 ma 355 ma 200 f 90% jcg1548d15 notes 1. input current measured at nominal input voltage. 2. when one output is set to 100% load & the other varies between 25% & 100% load. 3. measured with 1 f ceramic capacitor across output rails. 1. all dimensions are in inches (mm) 2. weight: 0.04 lbs (18 g) approx 3. pin diameter: 0.02 0.002 (0.5 0.05) 4. pin pitch tolerance: 0.014 (0.35) 5. package: 24 pin dil nickel-coated copper notes 0.40 (10.16) 0.12 (3.05) min. bottom view 1.25 (31.75) 0.90 (22.86) 0.80 (20.32) 0.60 (15.24) dia 0.02 (0.50) 0.08 (2.00) 0.10 (2.54) 0.20 (5.08) 2 13 22 16 14 23 9 11 application notes derating curve -40 -20 0 10 20 30 40 50 60 70 80 90 100 20 40 60 80 100 ambient temperature (o) load (%) 0 110 input filter dc/dc converter +vin +vout load 100 f 12 h + - -vin -vout standard rof logic is positive output on >3.0 vdc or open circuit output off <1.2 vdc or short circuit pins 1, 2 & 3 remote on/off 11-apr-12
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