bd lf - series 2 to 6 watt isolated dc -dc converte r single / dual output page 1 of 6 1 . features l wide 2 : 1 input range l low ripple and noise l input / output isolation 1.5k vdc o r 3k vdc l 100% burn - in l input k - filter l custom design ava ilable l net weight : 12 g / 1 7 g typical l rohs converter certified by sgs 2 . single output selection guide (specifications typical at ta= +25j, nominal input voltage, rated output current unless otherwise noted) model no. input voltage (vdc) output vo ltage (vdc) output current (ma) max input current @no load (ma) typ. input current @max. load (ma) typ. output ripple (mv) max. load regulation (%)max. efficiency (%)typ. 1) 2 w single output series bd -1205s2 lf 5 400 9 235 50 0.5 71 bd -1215s2 lf 9~18 15 134 9 226 120 0.5 74 bd -2405s2 lf 5 400 6 116 50 0.5 72 bd -2412s2 lf 12 167 6 113 100 0.5 74 bd -2415s2 lf 18~36 15 134 6 109 120 0.5 77 bd -4805s2 lf 5 400 3 57 50 0.5 73 bd -4812s2 lf 36~75 12 167 3 55 100 0.5 76 2) 4 w single output series bd -123r3s4 lf 3.3 1000 19 357 50 0.5 77 bd -1205s4 lf 5 800 20 422 50 0.5 79 bd -1212s4 lf 9~18 12 333 22 416 100 0.5 80 bd -2405s4 lf 5 800 10 211 50 0.5 79 bd -2412s4 lf 12 333 13 208 100 0.5 80 bd -2415s4 l f 18~36 15 267 15 201 120 0.5 83 bd -4805s4 lf 5 800 6 105 50 0.5 79 bd -4812s4 lf 36~75 12 333 7 104 100 0.5 80 3) 6 w single output series bd -1205s6 lf 5 1200 19 633 50 0.5 79 bd -1215s6 lf 9~18 15 500 20 625 100 0.5 80 www.bothhandusa.com 978-887-8050 sales@bothhandusa.com
bd lf - series 2 to 6 watt isolated dc -dc converte r single / dual output page 2 of 6 bd -2405s6 lf 5 1200 10 316 50 0.5 79 bd -2412s6 lf 12 500 13 313 100 0.5 80 bd -2415s6 lf 18~36 15 400 13 313 120 0.5 80 bd -4805s6 lf 5 1200 6 158 50 0.5 79 bd -4812s6 lf 36~75 12 500 8 154 100 0.5 81 4) 2 w dua l output series bd -1205d2 lf 5 200 9 225 50 2 74 bd -1212d2 lf 9~18 12 83 9 215 100 2 77 bd -2405d2 lf 5 200 6 110 50 2 76 bd -2412d2 lf 18~36 12 83 7 106 100 2 78 bd -4805d2 lf 5 200 3 56 50 2 75 bd -4812d2 lf 36~75 12 83 3 53 100 2 78 5) 4 w dual output series bd -123r3d4 lf 3.3 500 20 367 50 2 75 bd -1205d4 lf 9~18 5 400 22 439 50 2 76 bd -2405d4 lf 5 400 13 219 50 2 76 bd -2412d4 lf 12 167 15 209 100 2 79 bd -2415d4 lf 18~36 15 133 17 208 120 2 80 bd -4805d4 lf 5 400 10 108 50 2 80 bd -4812d4 lf 12 167 11 106 100 2 79 bd -4815d4 lf 36~75 15 133 12 104 120 2 80 6) 6 w dual output series bd -1205d6 lf 5 600 22 658 50 2 76 bd -1212d6 lf 9~18 12 250 25 633 100 2 79 bd -2405d6 lf 5 600 13 321 50 2 78 bd -2412d6 lf 12 250 14 317 100 2 79 bd -2415d6 lf 18~36 15 200 15 313 120 2 80 bd -4805d6 lf 5 600 10 162 50 2 77 bd -4812d6 lf 12 250 13 156 100 2 80 bd -4815d6 lf 36~75 15 200 14 156 120 2 80 notes : 1. load regulation is for output current change from 0% to 100% max. load. 3 . absolute m aximum ratings (exceeding these values may damage the module. these are not continuous operating ratings) parameter condition min. typ. max. unit 12v input model -0.7 12 22.5 24v input model -0.7 24 45 input absolute voltage range 48v input model -0.7 48 90 vdc www.bothhandusa.com 978-887-8050 sales@bothhandusa.com
bd lf - series 2 to 6 watt isolated dc -dc converte r single / dual output page 3 of 6 output short circu it d uration nominal input range indefinite & auto-restart reverse polarity input current limit --- --- --- 1 a operation t emperature (ambient temperature ) output full load -25 --- +71 storage t emperature -55 --- +105 j 4 . nominal input/output electrical specifications (specifications typical at ta= +25j , nominal input voltage, rated output current unless otherwise noted) parameter condition min. t yp. max. unit 12v input model 9 12 18 24v input model 18 24 36 input voltage range 48v input model 36 48 75 vdc line regulation output full load --- --- 0.5 single output model --- --- 0.5 load regulation dual output model 2 outp ut voltage accuracy nominal input --- 1.0 2.0 output voltage balance dual output same load --- --- 1.0 % switching frequency --- 250 --- khz temperature coefficient nominal input --- 0.01 0.02 % / j standard series 1500 --- --- isolation voltage high isolation series 3000 --- --- vdc isolation resistance 500 vdc 1000 --- --- m[ isolation capacitance 1khz / 250mv rms --- 350 --- pf 5 . general specification parameter specification condition isolation voltage 1500 / 3000 vdc test duration 60 seconds / 0.5 ma isolation resistance 1000 m[ min. @ 500 vdc operating temperature (1) -25 ~ + j 71 j @ ambient temperature w ith natural c onvention operating temperature (2) -25 ~ +95 j j @ case surface temperature storage temperature -55 ~ +105 j j --- humidity up t o 90 % --- cooling free air convection --- case type plastic?bmetal --- www.bothhandusa.com 978-887-8050 sales@bothhandusa.com
bd lf - series 2 to 6 watt isolated dc -dc converte r single / dual output page 4 of 6 6 . ordering information 7 . power derating curve 8 . efficiency & output load chart vout= 5 vdc vout= 12 v dc 0 10 20 30 40 50 60 70 80 90 0.0 100.0 200.0 300.0 400.0 500.0 600.0 700.0 800.0 output load (ma) efficiency % 0 10 20 30 40 50 60 70 80 90 0.0 30.0 60.0 90.0 120.0 150.0 180.0 210.0 240.0 270.0 300.0 333.0 output load (ma) efficiency % "s" for single output bd-xxxxs x h m lf device family input voltage rohs converter certified by sgs output power output voltage suffix "m" for metal case suffix "h" for isolation voltage 3kvdc nothing for isolation voltage 1kvdc ( ) www.bothhandusa.com 978-887-8050 sales@bothhandusa.com
bd lf - series 2 to 6 watt isolated dc -dc converte r single / dual output page 5 of 6 9 . mechanical dimension metal case model plastic case model pin single output pin 1 no pin no pin 24 2 23 3 - vin +vin 22 4 21 5 20 6 19 7 18 8 no pin no pin 17 9 n.c. -vo 16 10 no pin no pin 15 11 n.c. +vo 14 12 no pin no pin 13 pin dual output pin 1 no pin no pin 24 2 23 3 - vin +vin 22 4 21 5 20 6 19 7 18 8 no pin no pin 17 9 common common 16 10 no pin no pin 15 11 -vo +vo 14 12 no pin no pin 13 pin single output pin 1 no pin no pin 24 2 23 3 - vin +vin 22 4 21 5 20 6 19 7 18 8 no pin no pin 17 9 n.c. -vo 16 10 no pin no pin 15 11 n.c. +vo 14 12 no pin no pin 13 pin dual output pin 1 no pin no pin 24 2 23 3 - vin +vin 22 4 21 5 20 6 19 7 18 8 no pin no pin 17 9 common common 16 10 no pin no pin 15 11 -vo +vo 14 12 no pin no pin 13 units : mm (i nch) tolerance : 0.xx 0.25 (0.xx 0.01) units : mm (inch) tolerance : 0.x x 0.25 (0.xx 0.01) 31.75 (1.25) p0.50 (0.02) 15.24 (0.60) 22.86 (0.90) 20.32 (0.80) 2.54 (0.10) bd-1205s2m lf in=9~18vdc out=5vdc pb 27.63 (1.09) 16.16 (0.64) printed face date code 3.05 (0.12) 10.16 (0.40) 5.00 (0.20) 8.50 (0.33) min. bottom view 22.86 (0.90) 2.54 (0.10) 31.75 (1.25) 20.32 (0.80) 15.24 (0.60) p 0.50 (0.02) printed face bd -1205s2p lf in=9~18vdc out=5vdc pb 27.63 (1.09) 16.16 (0.64) date code 10.16 (0.40) 5.00 (0.20) 3.05 (0.12) 8.50 (0.33) bottom view min. printed face date code 10.16 (0.40) 5.00 (0.20) 3.05 (0.12) 8.50 (0.33) min. min. min. p rinted face www.bothhandusa.com 978-887-8050 sales@bothhandusa.com
bd lf - series 2 to 6 watt isolated dc -dc converte r single / dual output page 6 of 6 10 . recommended footprint details metal case model plastic case model 11 . package units : mm (inch) tol erance : 0.xx 0.25 (0.xx 0.01) 22.86 (0.90) 15.24 (0.60) 2.54 (0.10) 1.0~1.2 2 3 9 11 1416 2223 22.86 (0.90) 15.24 (0.60) 2.54 (0.10) 1.0~1.2 2 3 9 11 14 16 2223 r1.0~1.2 r1.0~1.2 www.bothhandusa.com 978-887-8050 sales@bothhandusa.com
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