key features: ? 20w 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 b2000eru ultra-wide input 20w single & dual output dc/dc con vert ers series input parameter conditions min. typ. max. units input voltage range 24 vdc input 9.0 24 36.0 vdc 48 vdc input 18.0 48 75.0 under voltage lockout, 24 vdc input unit off 8.0 vdc unit on 9.0 under voltage lockout, 48 vdc input unit off 16.0 vdc unit on 17.8 input filter (pi) filter start-up time 10 ms output parameter conditions min. typ. max. units output voltage accuracy 1.0 3.0 % 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 see note 1 5.0 % noise (20 mhz) see note 2 75 100 mv p - p ripple (20 mhz) see note 2 40 50 mv p - p output power protection 120 150 % transient recovery time, see note 4 25% load step change 200 500 sec transient response deviation 3.0 5.0 % temperature coef? cient 0.02 %/c output short circuit , see note 5 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 2,000 pf switching frequency 400 khz environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +25 +85 c storage temperature range -55 +125 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 0.44 inches (50.8 x 25.4 x 11.2 mm) case material metal with non-conductive base weight 1.41 oz (40g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25c, gnd benign 1,000 khours absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 24 vdc input -0.7 40.0 vdc 48 vdc input -0.7 80.0 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 output over voltage protection (vdc typ) 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 B2001ERU 24 9.0 - 36.0 1,004 25 3.3 5,000 500.0 3.9 83 18,700 2,500 b2002eru 24 9.0 - 36.0 968 25 5.0 4,000 400.0 6.2 86 9,600 2,500 b2003eru 24 9.0 - 36.0 958 25 12.0 1,667 167.0 15.0 87 1,600 2,500 b2004eru 24 9.0 - 36.0 947 25 15.0 1,333 134.0 18.0 88 1,000 2,500 b2005eru 24 9.0 - 36.0 947 25 24.0 834 84.0 28.0 88 500 2,500 b2006eru 24 9.0 - 36.0 992 25 5.0 2,000 200.0 6.2 84 4,800 2,500 b2007eru 24 9.0 - 36.0 958 25 12.0 833 84.5 15.0 87 800 2,500 b2008eru 24 9.0 - 36.0 958 25 15.0 667 67.0 18.0 87 500 2,500 b2011eru 48 18.0 - 75.0 502 15 3.3 5,000 500.0 3.9 83 18,700 1,250 b2012eru 48 18.0 - 75.0 479 15 5.0 4,000 400.0 6.2 87 9,600 1,250 b2013eru 48 18.0 - 75.0 473 15 12.0 1,667 167.0 15.0 88 1,600 1,250 b2014eru 48 18.0 - 75.0 473 15 15.0 1,333 134.0 18.0 88 1,000 1,250 b2015eru 48 18.0 - 75.0 473 25 24.0 834 84.0 28.0 88 500 2,500 b2016eru 48 18.0 - 75.0 490 15 5.0 2,000 200.0 6.2 85 4,800 1,250 b2017eru 48 18.0 - 75.0 479 15 12.0 833 84.5 15.0 87 800 1,250 b2018eru 48 18.0 - 75.0 473 15 15.0 667 67.0 18.0 88 500 1,250 notes: 1. measured with output 1 at 55% of load while varying output 2 from 10% to 100% load. 2. when measuring output ripple, it s 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 outputs units. 3. these converters are speci ed for operation without external components. however, in some applications the addition of input/output capacitors will enhance stability and reduce output ripple. recommended capacitor values are given in the table at right. 4. transient recovery is measured to within a 1% error band for a load step change of 75% to 100%. 5. short circuit protection is provided by a ?iccup mode circuit. 6. these units should not be operated at no-load. a minimum 10% load is recommended for each output. 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. standby input current is 2 ma max. 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 vin (vdc) input capacitor vout (vdc) output capacitor 24 100 ? 3.3 470 ? 5 470 ? 48 100 ? 12 220 ? 15 220 ? 24 100 ? ? ?70 ? ?2 ?00 ? ?5 ?00 ? for heatsink option, add suf? x ?h? to model number (i.e. b2003erw-h ) 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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