key features: ? 12w output power ? 4:1 input voltage range ? compact dip case ? en 60950 compliant ? meets en 55022 ?a? ? single & dual outputs ? 1.0 mh mtbf ? industry standard pin-out a1200ru 4:1 input range, 12w single & dual output dc/dc con vert ers series www.micropowerdirect.com micropower direct 292 page street suite d stoughton, ma 02072 usa t: (781) 344-8226 f: (781) 344-8481 e: sales@micropowerdirect.com w: www.micropowerdirect.com electrical speci? cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. input parameter conditions min. typ. max. units input voltage range 24 vdc input 9.0 24.0 36.0 vdc 48 vdc input 18.0 48.0 75.0 input filter (pi) filter (meets en 55022 class ?a?) input re? ected ripple current 20.0 ma p - p output parameter conditions min. typ. max. units output voltage accuracy 1.2 % output voltage balance dual output , balanced loads 0.5 % line regulation vin = min to max 0.2 % load regulation, single output iout = 0% to 100% 0.5 % load regulation, dual output iout = 0% to 100% 1.0 % ripple & noise (20 mhz) see note 1 85 mv p - p output power protection 170 % i out transient recovery time, see note 2 25% load step change 250 sec transient response deviation 3.0 % temperature coef? cient 0.02 %/oc output short circuit protection continuous (autorecovery) general parameter conditions min. typ. max. units isolation voltage (input/output) 3 seconds 1,600 vdc isolation voltage (case/input(output) 3 seconds 1,600 isolation resistance 500 vdc 1,000 m isolation capacitance 100 khz/1v 1500 pf switching frequency 270 khz emi characteristics parameter standard level radiated emissions en 55022 class a conducted emissions, see note 3 en 55022 class a esd en 61000-4-2 criteria b rs en 61000-4-3 criteria a eft, see note 4 en 61000-4-4 criteria b surge, see note 4 en 61000-4-5 criteria b cs, see note 4 en 61000-4-6 criteria a pfmf en 61000-4-8 criteria a environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +60 oc operating temperature range case +105 oc storage temperature range -55 +125 oc cooling free air convection humidity rh, non-condensing 95 % physical case size 1.25 x 0.80 x 0.40 inches (31.8 x 20.3 x 10.2 mm) case material metal with non-conductive base (ul94v-0) weight 0.62 oz (18g) reliability speci? cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25oc, gnd benign 1.0 mhours absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 24 vdc input -0.7 50.0 vdc 48 vdc input -0.7 100.0 lead temperature 1.5 mm from case for 10 sec 260 oc caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings.
model selection guide mechanical dimensions mechanical notes: all dimensions are typical in inch es (mm) tolerance x.xx = ?.01 (?.25) micropower direct we power your success - for less! 292 page street ste d stoughton, ma 02072 ? tel: (781) 344-8226 ? fax: (781) 344-8481 ? e-mail: sales@micropowerdirect.com www.micropowerdirect.com derating curve pin single dual 1 remote on/off remote on/off 2, 3 -vin -vin 9 no pin common 11 nc -vout 14 +vout +vout 16 -vout common 22, 23 +vin +vin nc: no connection pin connections model number input output over voltage protection (vdc) max capacitive load (f max) ef? ciency (%, typ) fuse rating slow-blow (ma) voltage (vdc) current (ma) voltage (vdc) current (ma, max) current (ma, min) nominal range full-load no-load a1201ru 24 9.0 - 36.0 573 15 3.3 3,500 0.0 3.9 2,000 87 1,200 A1202RU 24 9.0 - 36.0 581 15 5.1 2,400 0.0 6.2 2,000 89 1,200 a1203ru 24 9.0 - 36.0 574 15 12.0 1,000 0.0 15.0 430 90 1,200 a1204ru 24 9.0 - 36.0 574 15 15.0 800 0.0 18.0 300 90 1,200 a1205ru 24 9.0 - 36.0 595 15 5.0 1,200 0.0 6.2 1,250 87 1,200 a1206ru 24 9.0 - 36.0 574 15 12.0 500 0.0 15.0 200 90 1,200 a1207ru 24 9.0 - 36.0 574 15 15.0 400 0.0 18.0 120 90 1,200 a1211ru 48 18.0 - 75.0 286 15 3.3 3,500 0.0 3.9 2,000 87 750 a1212ru 48 18.0 - 75.0 290 15 5.1 2,400 0.0 6.2 2,000 89 750 a1213ru 48 18.0 - 75.0 287 15 12.0 1,000 0.0 15.0 430 90 750 a1214ru 48 18.0 - 75.0 287 15 15.0 800 0.0 18.0 300 90 750 a1215ru 48 18.0 - 75.0 297 15 5.0 1,200 0.0 6.2 1,250 87 750 a1216ru 48 18.0 - 75.0 287 15 12.0 500 0.0 15.0 200 90 750 a1217ru 48 18.0 - 75.0 287 15 15.0 400 0.0 18.0 120 90 750 notes: 1. when measuring output ripple, it is recommended that an external 1.0 f ceramic capacitor be placed from the +vout pin to the -vout pin for single output units and from each output to common for dual output units. for noise sensitive applications, the use of 3.3 ? capacitors will reduce the output ripple. 2. transient recovery is measured to within a 1% error band for a load step change of 75% to 50% to 25%. 3. to help meet conducted emissions requirements, the pi lter components (c 1 , c 2 & l 1 ) in the diagram below should be used. these components should be mounted as close to the module as possible. 4. to meet the requiremets of en61000-4-4, en 61000-4-5 and en 61000-4-6, an external lter capacitor is required. it is recommended that the value shown in the gure below (c 3 ) be used. 5. operation at no-load will not damage these units. however, they may not meet all speci cations. 6. dual output units may be connected to provide a 10 vdc, 24 vdc or 30 vdc output. to do this, connect the load across the positive (+vout) and negative (-vout) outputs and oat the output common. 7. it is recommended that a fuse be used on the input of a power supply for protection. see the table above for the correct rating. recommended input components remote on/off parameter min max units supply on 3.0 12 or open vdc supply off 0.0 1.2 vdc standby input current 5 ma typical control common referenced to neg. input (pin 2,3)
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