key features: ? 15w output power ? 4:1 input voltage range ? 1,500 vdc isolation ? compact 1 x 2 inch case ? single & dual outputs ? remote on/off ? industry standard pin-out b1500eru ultra-wide input 15w single & dual output dc/dc con vert ers series input parameter conditions min. typ. max. units input start voltage 24 vdc input 8.8 9.0 vdc 48 vdc input 17.8 18.0 input filter (pi) filter start-up time 10 ms output parameter conditions min. typ. max. units output voltage accuracy 1.0 2.0 % output voltage balance dual output , balanced loads 0.5 % line regulation vin = min to max 0.2 0.5 % load regulation iout = 10% to 100% 0.5 1.0 % cross regulation 5.0 % ripple & noise (20 mhz) (note 1) 55 75 150 mv p - p output power protection 120 150 % transient recovery time (note 2) 25% load step change 200 300 sec transient response deviation 3.0 5.0 % temperature coef? cient 0.01 0.02 %/c output short circuit continuous (autorecovery) general parameter conditions min. typ. max. units isolation voltage 60 seconds 1,500 vdc isolation resistance 500 vdc 1,000 m isolation capacitance 100 khz, 1v 1,000 pf switching frequency 300 khz environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +25 +85 c storage temperature range -55 +105 c cooling free air convection (see curves on page 2) humidity rh, non-condensing 95 % rfi six-side shielded metal case physical case size 2.0 x 1.0 x 0.43 inches (50.8 x 25.4 x 11.0 mm) case material metal with non-conductive base weight 1.13 oz (32g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25c, gnd benign 700 khours 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 300.0 c caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings. electrical speci cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. 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
model selection guide mechanical dimensions model number input re ected ripple current (ma, typ) output ef ciency (%, typ) capacitive load (? max) fuse rating slow-blow (ma) voltage (vdc) current (ma) voltage (vdc) current (ma, max) current (ma, min) nominal range full-load no-load b1501eru 24 9.0 - 36.0 528 25 40 3.3 4,000 400.0 78 10,200 2,500 B1502ERU 24 9.0 - 36.0 762 25 40 5.0 3,000 300.0 82 4,020 2,500 b1503eru 24 9.0 - 36.0 744 25 40 12.0 1,250 125.0 84 1,035 2,500 b1504eru 24 9.0 - 36.0 744 25 40 15.0 1,000 100.0 84 705 2,500 b1505eru 24 9.0 - 36.0 762 25 40 5.0 1,500 150.0 82 1,020 2,500 b1506eru 24 9.0 - 36.0 735 25 40 12.0 625 62.5 85 495 2,500 b1507eru 24 9.0 - 36.0 735 25 40 15.0 500 50.0 85 165 2,500 b1511eru 48 18.0 - 75.0 264 15 30 3.3 4,000 400.0 78 10,200 1,250 b1512eru 48 18.0 - 75.0 381 15 30 5.0 3,000 300.0 82 4,020 1,250 b1513eru 48 18.0 - 75.0 372 15 30 12.0 1,250 125.0 84 1,035 1,250 b1514eru 48 18.0 - 75.0 372 15 30 15.0 1,000 100.0 84 705 1,250 b1515eru 48 18.0 - 75.0 381 15 30 5.0 1,500 150.0 82 1,020 1,250 b1516eru 48 18.0 - 75.0 368 15 30 12.0 625 62.5 85 495 1,250 b1517eru 48 18.0 - 75.0 368 15 30 15.0 500 50.0 85 165 1,250 notes: 1. when measuring output ripple, it is recommended that an external 4.7 ? 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. 2. these converters are speci ed for operation without external components. however, in some applications the addition of input/ouput capacitors will enhance stability and reduce output ripple. recommended capacitor values are 100 f for c in and 100 - 220 f for c out . 3. transient recovery is measured to within a 1% error band for a load step change of 75% to 100%. 4. the maximum control current at the on/off pin (pin 6) during a logic high is 50 a. the maximum control current to the on/off pin at logic low (-0.7v to 0.8v) is 1 ma. if the on/off pin is left open, the unit operates. if it is grounded, the unit will shut off. 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. 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 pin single dual pin single dual 1 +vin +vin 4 trim comm. 2 -vin -vin 5 -vout -vout 3 +vout +vout 6 on/off on/off pin connections www.micropowerdirect.com mechanical notes: all dimensions are typical in inch es (mm) tolerance x.xx = ?.01 (?.25) remote on/off notes: 1. maximum sink current at the on/off pin (pin 6) during a logic low is 100 a. 2. maximum allowable leakage current of a switch connected to the on/off terminal (pin 6) at logic high (2.5v to 100v) is 5 a. parameter min max units supply on 3.5 12.0 or open vdc supply off grnd 1.2 vdc control common referenced to gnd remote on/off derating curve a simple external circuit may be used to adjust the converter output (single output models only). to adjust the output down, connect a 5%, 3w resistor between the plus output pin and the vout trim pin. to adjust the output up, connect a 5%, 3w resistor between the minus utput pin and the vout trim pin. for up/down trimming capability, connect a 10 kw potentiometer between the plus and minus outputs with the wiper arm connected to the vout trim pin. the trim range is 10%. external trim
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