dcdc specification 30 watts ? 72 & 110 vdc input for railway applications ? single, dual and triple outputs ? 1500 vac basic isolation ? high power density ? high efficiency up to 91% ? remote on/off ? 3 year warranty rdc series input input voltage range ? 72 v (36-140 vdc), 110 v (55-176 vdc) input current ? see table input reflected ripple ? 20 ma pk-pk through 12 h inductor input filter ? pi network undervoltage lockout ? 72 v models: on 33.5 v, off 30.5 v typ. 110 v models: on 52.5 v, off 48.5 v typ. input surge ? 72 v models 150 vdc for 100 ms 110 v models 185 vdc for 100 ms output output voltage ? see table output voltage trim ? 10% on single outputs models only minimum load ? no minimum load required for single and dual output models, 10% required on all outputs for triple output models line regulation ? 0.2% max for single and dual output models, 1.0% main, 5% auxiliary for triple output models load regulation ? single output models: 0.5% max. dual output models: 1% max balanced outputs. triple output models: 1% max main, 5% auxiliaries cross regulation ? 5% for dual and triple outputs (see note 2) setpoint accuracy ? 1% (5% for triple auxiliaries) start up time ? 30 ms typical ripple & noise ? 100 mv or 1% pk-pk for single output models, 150 mv or 1% pk-pk for dual output model, whichever is greater, 50/75 mv pk-pk main/auxiliary outputs of triple output models, 20 mhz bandwidth (see note 3) transient response ? 4% max deviation, recovery to within 1% in <500 s for a 25% load change temp. coefficient ? 0.02%/c overvoltage protection ? 3.3 v models: 3.9 v typical, 5 v models: 6.2 v typical, 12 v models: 15 v typical 15 v models: 18 v typical, 5 v models: 6.2 v typical, 12 v models: 15 v typical 15 v models: 18 v typical overload protection ? >150% of full load short circuit protection ? trip & restart (hiccup mode), auto recovery overtemperature ? 115 c typical protection remote on/off ? on = logic high (>3.0) or open off = logic low (<1.2 v) or short pin 2 to 3 maximum capacitive ? see table load xppower.com general efficiency ? see table isolation voltage ? 1500 vac input to output 1600 vdc input to case 1600 vdc output to case isolation capacitance ? 2000 pf switching frequency ? 270 khz typical power density ? 37.5 w/in 3 mtbf ? 435 khrs for single/dual output, 320 khrs for triple output, min to mil-hdbk-217f at 25 c, gb environmental operating temperature ? -40 c to +75 c (80 c with optional heatsink) see derating curve case temperature ? +105 c max cooling ? convection-cooled operating humidity ? 5-95% rh, non-condensing storage temperature ? -40 c to +125 c emc general ? complies with en50121-3-2, railway applications - electromagnetic compatibility for rolling stock apparatus emissions ? en55011, 79 dbv (0.15-0.5 mhz) 73 dbv (0.5-30 mhz) esd immunity ? en61000-4-2, level 3, perf criteria a radiated immunity ? en61000-4-3 20 v/m perf criteria a* eft/burst ? en61000-4-4 level 3, perf criteria a* surge ? en61000-4-5 level 2, perf criteria a conducted immunity ? en61000-4-6 10 v/rms, perf criteria a magnetic field ? en61000-4-8 10 a/m, perf criteria a *external input capacitor required 220 f/250 v
21-may-13 dcdc rdc30 notes 1. input current specified at nominal 72 v or 110 v input. 2. cross regulation for duals is 5% when one output is at 100% and the other is varied between 25% and 100%. cross regulation for triples is 5% when main output and one auxiliary is at 25% and the other is varied between 25% and 100%. 3. measured with 1 f ceramic capacitor in parallel with 10 f electrolytic capacitor across output rails. 4. add suffix -hk for optional heatsink. 5 4 6 7 6 4 5 2 1 bottom view single & dual output models bottom view triple output models 3 0.10 (2.54) 0.10 (2.54) dia 0.04 (1.00) dia 0.04 (1.00) dia 0.04 (1.00) 0.10 (2.54) 0.20 (5.00) 0.20 (5.00) 0.30 (7.62) 0.30 (7.62) 0.30 (7.62) 0.20 (5.08) 0.20 (5.08) 0.17 (4.36) 1.73 (43.9) 2.00 (50.8) 0.02 (0.50) 0.24 (6.00) 0.64 (16.3) 0.20 (5.08) 0.30 (7.62) 0.30 (7.62) 0.10 (2.54) 0.10 (2.54) 0.10 (2.54) 0.10 (2.54) 0.40 (10.16) 0.40 (10.16) 0.40 (10.16) 2 3 1 optional heatsink mechanical details application notes -40 -20 0 10 20 30 40 50 60 70 80 90 100 20 40 60 80 100 ambient temperature (o) load (%) 0 with optional heatsink 58o derating curve pin connections pin single dual triple 5 /nx: /nx: /nx: a 1nx: 1nx: 1nx: b it9;@t g:3guu it9;@t g:3guu it9;@t g:3guu c /n;a@ /n;a@ /n;a@ a d 1n;a@ r;9 1n;a@ b e l>x9 1n;a@ r;9 f /n;a@ 5 typical resistor s3v3 s05 s12 s15 l>x9 s;c: 54& 5d2b y ? ? ? ? ? ? ? ? ? notes external output trim r trim-up r trim-down 6 5 6 4 &a@:.88e @>69921 a?6:4 @56? 92@5;1 ;:@.0@ ?.82? 3;> 12@.68? &: ?6:482 ;a@?6;:? ;:8e models and ratings input voltage output voltage output current input current (1) maximum capacitive load efficiency model number (4) no load full load be15c4 nsr b2b n f2d4 o ad 9o bge 9o a4444 ju gh& isrb4fakbnb d24 n e244 o ad 9o cdg 9o 5c444 ju h5& isrb4fak4d 5a24 n a2d4 o a4 9o cf4 9o a444 ju gg& isrb4fak5a 5d24 n a244 o a4 9o cee 9o a444 ju gh& isrb4fak5d id24 n ib244 o c4 9o ceg 9o ib444 ju gh& isrb4fas4d i5a24 n i52ad o ad 9o cf5 9o i5b44 ju gg& isrb4fas5a i5d24 n i5244 o a4 9o cf5 9o i5b44 ju gg& isrb4fas5d /b2b n0 i5a24 n d244 o0 i42ca o ad 9o c5c 9o 5d4440 iaa4 ju gh& isrb4fal4b5a /b2b n0 i5d24 n d244 o0 i42bb o ad 9o c5c 9o 5d4440 iaa4 ju gg& isrb4fal4b5d /d24 n0 i5a24 n c244 o0 i42ca o ad 9o cec 9o g4440 iaa4 ju h4& isrb4fal4d5a /d24 n0 i5d24 n c244 o0 i42bb o ad 9o cec 9o g4440 iaa4 ju h4& isrb4fal4d5d dd15fe nsr b2b n f2d4 o a4 9o adc 9o a4444 ju gg& isrb4554kbnb d24 n e244 o ad 9o b4b 9o 5c444 ju h4& isrb4554k4d 5a24 n a2d4 o a4 9o b54 9o a444 ju gg& isrb4554k5a 5d24 n a244 o a4 9o b4g 9o a444 ju gg& isrb4554k5d id24 n ib244 o bd 9o b4g 9o ib444 ju gg& isrb4554s4d i5a24 n i52ad o ad 9o b54 9o i5b44 ju gg& isrb4554s5a i5d24 n i5244 o a4 9o b55 9o i5b44 ju gf& isrb4554s5d /b2b n0 i5a24 n d244 o0 i42ca o a4 9o afc 9o 5d4440 iaa4 ju gg& isrb4554l4b5a /b2b n0 i5d24 n d244 o0 i42bb o a4 9o afc 9o 5d4440 iaa4 ju gf& isrb4554l4b5d /d24 n0 i5a24 n c244 o0 i42ca o ad 9o b4f 9o g4440 iaa4 ju gh& isrb4554l4d5a /d24 n0 i5d24 n c244 o0 i42bb o ad 9o b4f 9o g4440 iaa4 ju gg& isrb4554l4d5d
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