b a - 2 lf - series 2 watt isolated dc-dc converter 1 . features 4 pin sil / 8 pin sil package low ripple and noise input / output isolation 1k vdc 100% burn-in input filter with internal capacitor custom design available net weight s 1.4 g / 1.8 g typical rohs converter certified by sgs 2 . model selection guide (specifications typical at ta= +25 , nominal input voltage, rated output current unless otherwise noted) model no. input voltage (vdc) output voltage (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 sil package style 1 kv isolation ba-053r3s2 lf 3.3 600 40 533 50 12 75 ba-0505s2 lf 5 400 40 533 60 10 75 ba-0509s2 lf 9 222 40 533 80 8 75 ba-0512s2 lf 12 167 35 520 100 8 77 ba-0515s2 lf 5 15 134 35 520 120 8 77 ba-123r3s2 lf 3.3 600 18 222 50 12 75 ba-1205s2 lf 5 400 18 222 60 10 75 ba-1209s2 lf 9 222 16 217 80 8 77 ba-1212s2 lf 12 167 16 217 100 8 77 ba-1215s2 lf 12 15 134 16 217 120 8 77 ba-243r3s2 lf 3.3 600 5 111 50 12 75 ba-2405s2 lf 5 400 5 111 60 10 75 ba-2409s2 lf 9 222 5 110 80 8 76 ba-2412s2 lf 12 167 5 110 100 8 76 ba-2415s2 lf 24 15 134 5 110 120 8 76 2) 2 w single output dil package style 1 kv isolation ba-0505d2 lf 5 400 40 533 60 10 75 ba-0509d2 lf 9 222 40 533 80 8 75 ba-0512d2 lf 12 167 35 520 100 8 77 ba-0515d2 lf 5 15 134 35 520 120 8 77
b a - 2 lf - series 2 watt isolated dc-dc converter ba-1205d2 lf 5 400 22 222 60 10 75 ba-1209d2 lf 9 222 20 217 80 8 77 ba-1212d2 lf 12 167 20 217 100 8 77 ba-1215d2 lf 12 15 134 20 217 120 8 77 ba-2405d2 lf 5 400 7 111 60 10 75 ba-2409d2 lf 9 222 6 110 80 8 76 ba-2412d2 lf 12 167 6 110 100 8 76 ba-2415d2 lf 24 15 134 6 110 120 8 76 notes: load regulation is for output current change from 20% to 100% max. load. 3 . absolute maximum ratings (exceeding these values may damage the module. these are not continuous operating ratings) parameter condition min. typ. max. unit 5v input model - 0.7 5 7.5 12v input model - 0.7 12 15 input absolute voltage range 24v input model - 0.7 24 30 vdc max. output power --- --- 2 w output short circuit duration --- --- 1.0 second operation temperature (ambient temperature) - 40 --- + 85 operation temperature (case surface temperature) output full load -40 --- +95 storage temperature -55 --- +105 4 . nominal input/output electrical specifications (specifications typical at ta= +25 ,nominal input voltage, rated output current unless otherwise noted) parameter condition min. typ. max. unit 5v input model 4.5 5 5.5 12v input model 10.8 12 13.2 input voltage range 24v input model 21.6 24 26.4 vdc line regulation (per1.0% change in input change) --- --- 1.3 output voltage accuracy --- --- 5.0 voltage balance (dual outputs) --- --- 1.0 % switching frequency --- 80 --- khz temperature coefficient nominal input --- 0.01 0.02 % / isolation voltage 60 second/0.5ma 1000 --- --- vdc
b a - 2 lf - series 2 watt isolated dc-dc converter isolation resistance 500vdc 1000 --- --- m isolation capacitance 1khz / 250mv rms --- 40 --- pf capacitive load 2 watt --- --- 330 f 5 . general specification parameter specification condition isolation voltage 1000 vdc test duration 60 seconds / 0.5 ma isolation resistance 1000 m min. @ 500 vdc humidity up to 90 % --- cooling free air convection --- case type plastic --- 6 . ordering information ba-xxyydd1h lf device family input voltage output voltage "s"for sil package;"d"for dil package output power "d"for dual output;nothing for single output rohs converter certified by sgs suffix"h"for isolation voltage 3kvdc; nothing for isolation voltage 1kvdc
b a - 2 lf - series 2 watt isolated dc-dc converter 7 . power derating curve temperature derating graph 8 . mechanical dimension single output sil package style pin 1k vdc - single 1 -vin 2 +vin 3 -vo 4 +vo 125 100 50 0 -40 0 50 90 105 140 printed face 3.05 (0.12) min 0.25 (0.01) 2.54 (0.10) 0.50 (0.02) 0.50 (0.02) 0.50 (0.02) 11.68 (0.46) 9.65 (0.38) 1.25 (0.05) 6.00 (0.24) date code 10.50 (0.41) 5.00 (0.20) 8.50 (0.33) 1.68 1.86 6.50 (0.38) ba-0505s2 lf pb units:mm(inch) tolerance:xx0.25(0.01)
b a - 2 lf - series 2 watt isolated dc-dc converter single output dil package style 9. recommended footprint details sil package style dil package style 10. package units : mm ( inch ) tolerance : .xx 0.25 ( 0.01) pin 1k vdc - single pin 1 -vin no pin 8 2 -vo 7 3 no pin n o pin 6 4 +vin +vo 5 bottom view date code printed face ba-0505d2 lf pb units:mm(inch) tolerance:xx0.25(0.01) 12.70 [0.50] 10.50 [0.41] 6.50 [0.26] 10.00 [0.39] 7.62 [0.30] ? 0.50 [ ? 0.02] 7.62 [0.30] 0.50 [0.02] 5.08 [0.20] 3.05 [0.12] min 5.00 [0.20] 7.70 [0.30] 8.50 [0.33] bottom view 12.7 [0.50] 10 [0.39] 7.62 [0.30] -vin +vin -vo +vo 1 4 57 6 [0.24] 1.25 [0.05] 11.68 [0.46] -vin +vin -vo +vo bottom view 1 2 3 4
b a - 2 lf - series 2 watt isolated dc-dc converter sil package style dil package style
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