wr wr b- b- y y e e s- s- 1 1 w w wrb wrb - - y y e e s- s- 2 2 w w http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 3 selection selection guide guide order code input output efficiency (%,typ) voltage(vdc) current(ma) v o ltage (vdc) nominal range max* max min wrb0505 yes-1w 5 4.5-9.0 11 200 20 5 72 wrb0509 yes-1w 5 4.5-9.0 11 111 11 9 74 wrb0512 yes-1w 5 4.5-9.0 11 83 8 12 76 wrb0515 yes-1w 5 4.5-9.0 11 67 7 15 75 wrb1205 yes-1w 12 9.0-18.0 22 200 20 5 76 wrb1209 yes-1w 12 9.0-18.0 22 111 11 9 78 wrb1212 yes-1w 12 9.0-18.0 22 83 8 12 80 wrb1215 yes-1w 12 9.0-18.0 22 67 7 15 80 wrb2405 yes-1w 24 18.0-36.0 40 200 20 5 76 wrb2409 yes-1w 24 18.0-36.0 40 111 11 9 78 wrb2412 yes-1w 24 18.0-36.0 40 83 8 12 81 wrb2415 yes-1w 24 18.0-36.0 40 67 7 15 81 wrb4805 yes-1w 48 36.0-72.0 80 200 20 5 76 wrb4809 yes-1w 48 36.0-72.0 80 111 11 9 78 wrb4812 yes-1w 48 36.0-72.0 80 83 8 12 80 wrb4815 yes-1w 48 36.0-72.0 80 67 7 15 80 wrb0505 yes-2w 5 4.5-9.0 11 400 4 0 5 72 wrb0509 yes-2w 5 4.5-9.0 11 222 22 9 74 wrb0512 yes-2w 5 4.5-9.0 11 168 16 12 76 wrb0515 yes-2w 5 4.5-9.0 11 133 13 15 75 wrb1205 yes-2w 12 9.0-18.0 22 400 4 0 5 76 wrb1209 yes-2w 12 9.0-18.0 22 222 22 9 78 wrb1212 yes-2w 12 9.0-18.0 22 168 16 12 80 wrb1215 yes-2w 12 9.0-18.0 22 133 13 15 80 wrb2405 yes-2w 24 18.0-36.0 40 400 4 0 5 76 wrb2409 yes-2w 24 18.0-36.0 40 222 22 9 78 wrb2412 yes-2w 24 18.0-36.0 40 168 16 12 81 wrb2415 yes-2w 24 18.0-36.0 40 133 13 15 81 wrb4805 yes-2w 48 36.0-72.0 80 400 4 0 5 76 wrb4809 yes-2w 48 36.0-72.0 80 222 22 9 78 wrb4812 yes-2w 48 36.0-72.0 80 168 16 12 80 wrb4815 yes-2w 48 36.0-72.0 80 133 13 15 80 *input voltage can't exceed this value,or will cause the permanent damage. model model selection selection wr wr b b 05 05 05 05 y y e e s s - - 1 1 w w product series input voltage output voltage wide (2:1) input range lengthen sip 12 package rated power s microdc r eserves the copyright w ide input,isolated &r egulated single output sip 12 dc - dc converter features features rohs compliant efficiency up to 86% sip 12 package wide temperature performance at full 1 -2 watt load,-40 c to 85 c ul 94v-0 package material internal filtering low noise and good emc features industry standard pinout 100% burned in i/o isolation 1 5 00vdc short circuit protection( automatic recovery ) internal smd construction no e xternal components required 2:1 wide input voltage range description description the wr b-ye s-1w&wrb -ye s- 2 w series are specially designed for applications where a group of polar power supplies are isolated from the input power supply in a distributed power supply system on a circuit board. these products apply to: 1) where the voltage of the input power supply is wide range (voltage range 2:1); 2) where isolation is necessary between input and output (isolation voltage 1 5 00vdc); 3) where the regulation of the output voltage and the output ripple noise are demanded. output output specifications specifications parameter test conditions min. typ. max. units output power refer to product program 0.1 1 w refer to product program 0.2 2 w line regulation input voltage from low to high 0. 2 % load regulation 10% to 100% full load(wrb_ yes -1w) 0. 2 % 10% to 100% full load(wr b _ yes - 2 w) 0. 2 % output voltage accuracy refer to recommended circuit 1 3.0 % temperature drift(vout) refer to recommended circuit 0.03 %/ c output ripple** 20mhz bandwidth 100 mv p-p output noise** 20mhz bandwidth 25 75 mv p-p switching frequency 100% full load,input voltage range 75 300 khz * *test ripple and noise by "parallel cable" method. all specifications typical at nominal line,full load,and 25 unless otherwise noted.
wr wr b- b- y y e e s- s- 1 1 w w wrb wrb - - y y e e s- s- 2 2 w w http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 3 temperature temperature characteristics characteristics parameter conditions min. typ. max. units storage humidity range 95 % no-load power consumption 120 c operating temperature - 25 71 c storage temperature -55 125 c lead temperature 1.5mm from case for 10 seconds 30 0 c temp.rise at full load 15 35 c cooling free air convection case material non-conductive plastic(ul94-v0) short circuit protection * continuous,automatic recovery mtbf 10 00 k hours weight 6.6 g *supply voltage must be discontinued at the end of short circuit duration. isolation isolation specifications specifications parameter test conditions min. typ. max. units isolation test voltage flash tested for 1 minute and 1ma max 1 5 00 vdc isolation resistance test at viso=500vdc 1000 m isolation capacitance 100khz,1v 35 80 pf application application note note size graph 1) recommended circuit if you want to further decrease the input/output ripple, an lc filtering network may be connected to the input and output ends of the dc/dc converter, see (figure 1). lin however, the capacitance of the output filter capacitor must be proper. if the capacitance is too big, a startup problem might arise. for every channel of output, provided the safe and reliable operation is ensured, the greatest capacitance of its filter capacitor sees (table 1). general: cin: 5v,12v 100pf 24v,48v 10uf cout: 47pf(typ.) lin: 4.7ph ~120ph lout: 2.2ph ~10ph 2) input current while using unstable power source, please ensure the output voltage and ripple voltage do not exceed indexes of the converter. the preceding power source must be able to provide for converter sufficient starting current ip. general: ip 1.4*iin-max 3) no parallel connection or plug and play typical typical characteristics characteristics temperature derating graph recommended recommended circuit circuit output graph simplified schematic typical applications external capacitor table (table 1) single single vout vout cout cout (vdc) ( f) 5 680 9 560 12 470 15 330 i i nput nput s s pecifications pecifications parameter conditions i nput voltage 2:1 input range input filter pi network
wr wr b- b- y y e e s- s- 1 1 w w wrb wrb - - y y e e s- s- 2 2 w w http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 3 outline outline dimensions dimensions footprint footprint details details footprint footprint details details pin single 1 + vin 3 - vin 6 nc 8 nc 10 +v o 12 - v o nc:no connection note: 1. the load shouldn't be less than 10%, otherwise ripple will increase dramatically. 2. operation under 10% load will not damage the converter; however, they may not meet all specification listed. 3. all specifications measured at ta=25 , humidity<75%, nominal input voltage and rated output load unless otherwise specified. 4. in this data sheet, all the test methods of indications are based on corporate standards. 5.only typical models listed, other models may be different, please contact our technical person for more details. when the environment temperature is higher than 71 , the product output power should be less then 60% of the rated power. no parallel connection or plug and play. mechanical mechanical dimensions dimensions note: unit:mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] recommended recommended footprint footprint top view,grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) tube tube outline outline dimensions dimensions note: unit :mm[inch] general tolerances: 0.50mm[ 0.020inch] l=530mm[20.866inch] tube quantity: 16 pcs l=220mm[8.661inch] tube quantity: 6 pcs microdc professional power module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn rohs compliant information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300 for 10 seconds. the pin termination finish on the sip package type is tin plate, hot dipped over matte tin with nickel preplate. the dip types are matte tin over nickel preplate. both types in this series are backward compatible with sn/pb soldering systems. reach compliant information this series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval.
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