key features: 12w output power ul approved (file e245422) 4:1 input voltage range 1 ,500 vdc isolation compact 1 x 2 inch case single & dual outputs optional remote on/off industry standard pin-out micropower direct 232 tosca drive stoughton, ma 02072 usa t: (781) 344-8226 f: (781) 344-8481 e: sales@micropowerdirect.com w: www.micropowerdirect.com b1200ru u l t r a - w i d e i n p u t 1 2 w ultra-wide input 12w s i n g l e & d u a l o u t p u t single & dual output d c / d c c o n v e r t e r s dc/dc con vert ers series input parameter conditions min. typ. max. units input start voltage 24 vdc input 8.0 8.5 9.0 vdc 48 vdc input 14.0 16.0 18.0 input filter (pi) filter (complies with en55022 class ?a?) reverse polarity input current 1.0 a short circuit input power 3,500 mw output parameter conditions min. typ. max. units output voltage accuracy 0.5 1.0 % output voltage balance dual output , balanced loads 0.5 1.0 % line regulation vin = min to max 0.1 0.5 % load regulation iout = 10% to 100% 0.2 0.5 % ripple & noise (20 mhz) (note 1) 50 75 mv p - p ripple & noise (20 mhz) over line, load & temp. 100 mv p - p ripple & noise (20 mhz) 15 mv rms output power protection 120 % transient recovery time (note 2) 25% load step change 150 250 sec transient response deviation 1.5 2.5 % temperature coef cient 0.01 0.02 %/c output short circuit continuous general parameter conditions min. typ. max. units isolation voltage 60 seconds 1,500 vdc isolation test voltage flash tested for 1 sec 1,650 vdc isolation resistance 500 vdc 1,000 m isolation capacitance 100 khz, 1v 500 600 pf switching frequency 350 400 450 khz environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +25 +71 c operating temperature range case -40 +90 c storage temperature range -40 +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 0.40 inches (50.8 x 25.4 x 10.2 mm) case material metal with non-conductive base (ul94-v0) weight 1.13 oz (32g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25c, gnd benign 700 khours safety standards ul 1950, en 60950, iec 60950 safety approvals ul, cul; file no. e245422 absolute maximum ratings parameter conditions min. typ. max. units input voltage surge (1 sec) 24 vdc input -0.7 42.0 vdc 48 vdc input -0.7 84.0 lead temperature 1.5 mm from case for 10 sec 260.0 c internal power dissipation all models 5,000 mw caution: exceeding absolute maximum ratings may damage the module. these are not continuous operating ratings. electrical speci cations speci cations typical @ +25c, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com 4 .com u datasheet
model selection guide mechanical dimensions micropower direct www.micropowerdirect.com 232 tosca drive stoughton, ma 02072 tel: (781) 344-8226 fax: (781) 344-8481 e-mail: sales@micropowerdirect.com mechanical notes: ? all dimensions are typical in inch es (mm) ? tolerance x.xx = 0.01 (0.25) ? leads are gold plated for improved solderability. model number input output over voltage protection (vdc) 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 b1201ru 24 9.0 - 36.0 423 10 3.3 2,400 240.0 3.9 78 1,500 B1202RU 24 9.0 - 36.0 508 10 5.0 2,000 200.0 6.8 82 1,500 b1203ru 24 9.0 - 36.0 595 10 12.0 1,000 100.0 15.0 84 1,500 b1204ru 24 9.0 - 36.0 595 10 15.0 800 80.0 18.0 84 1,500 b1205ru 24 9.0 - 36.0 508 10 5.0 1000 100.0 6.8 82 1,500 b1206ru 24 9.0 - 36.0 595 10 12.0 500 50.0 15.0 84 1,500 b1207ru 24 9.0 - 36.0 595 10 15.0 400 40.0 18.0 84 1,500 b1211ru 48 18.0 - 75.0 212 5 3.3 2,400 240.0 3.9 78 750 b1212ru 48 18.0 - 75.0 254 5 5.0 2,000 200.0 6.8 82 750 b1213ru 48 18.0 - 75.0 298 5 12.0 1,000 100.0 15.0 84 750 b1214ru 48 18.0 - 75.0 298 5 15.0 800 80.0 18.0 84 750 b1215ru 48 18.0 - 75.0 254 5 5.0 1000 100.0 6.8 82 750 b1216ru 48 18.0 - 75.0 298 5 12.0 500 50.0 15.0 84 750 b1217ru 48 18.0 - 75.0 298 5 15.0 400 40.0 18.0 84 750 pin single dual 1 +vin +vin 2 -vin -vin 3 +vout +vout 4 no pin common 5 -vout -vout 6 remote on/off remote on/off pin con nec tions remote on/off (optional, see below) parameter min max units supply on 2.5 5.5 or open vdc supply off -0.7 0.8 vdc standby input current 10 ma control input current (on) 50.0 a control input current (off) -100.0 ma control common referenced to neg. input (pin 2) for remote on/off option, add suf x ?r? to model number (i.e. b1205ru-r) notes: 1. when measuring output ripple, it is recommended that an external 0.47 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 3.9 f 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 100%. 3. operation at no-load will not damage these units. however, they may not meet all speci cations. 5. 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. 6. the converter should be connected to a low ac-impedance source. an input source with a highly inductive impedance may affect the stability of the converter. in applications where the converter output loading is high and input power is supplied over long lines, it may be necessary to use a capacitor on the input to insure start-up. in this case, it is recommended that a low equivalent series resis- tance (esr <1.0 at 100 khz) capacitor be mounted close to the converter. a 10.0 f is recommended for 24v input models; a 4.7 f for 48v units. 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. 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 50 a. single output ( f max) 470 dual output ( f max) 150 capacitive load derating curve www.datasheet www.datasheet www.datasheet www.datasheet 4u 4u4u 4u .com .com .com .com 4 .com u datasheet
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