BMA1 / bmb1 series 1 watt isolated dc-dc converter dual dual dual dual output outputoutput output 1 1 . features input filter with internal capacitor sil and dil package low ripple and noise input / output isolation 1k vdc 100% burn-in industry standard pinout custom design available net weight : 3.0g / 3.7 g typical rohs converter certified by sgs safety approval : en60950-1 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 r egulation (%) max. efficiency (%)typ. 1) dual output sil package style BMA1-48d1 5 100 6 31 60 10 72 BMA1-48da 9 56 5.5 30 80 10 74 BMA1-48d2 12 42 5.5 30 100 10 73 BMA1-48d3 48 15 34 5.5 30 120 10 74 2) dual output dil package style bmb1-48d1 5 100 6 31 60 10 72 bmb1-48da 9 56 5.5 30 80 10 74 bmb1-48d2 12 42 5.5 30 100 10 73 bmb1-48d3 48 15 34 5.5 30 120 10 74 3 . absolute maximum ratings (exceeding these values may damage the module. these are not continuous operating ratings) parameter condition min. typ. max. unit input absolute voltage range 48v nominal input -0.7 48 60 vdc max. output power --- --- 1 w output short circuit duration --- --- 1.0 second operationtemperature(ambient temperature) output full load -40 --- +85 storage temperature -55 --- +105 bothhand usa sales@bothhandusa.com
BMA1 / bmb1 series 1 watt isolated dc-dc converter dual dual dual dual output outputoutput output 2 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 input voltage range 48v nominal input 43.2 48 52.8 vdc output voltage accuracy --- --- 5.0 load regulation(10% load to full load) --- --- 10 voltage balance (dual outputs) --- --- 1.0 unbalanced load 10% to 100% full load --- --- 15 % switching frequency --- 100 --- khz temperature coefficient nominal input --- 0.01 0.02 %/ isolation voltage 60 second / 0.5 ma 1000 --- --- vdc isolation resistance 500 vdc 1000 --- --- m isolation capacitance 1khz / 250mv rms --- 30 --- pf max. line regulation (per 1.0 % change in input change) --- --- 1.3 % 5 . general specification parameter specification condition isolation voltage 1000 vdc test duration 60 seconds / 0.5 ma isolation resistance 1000 m min. @ 500 vdc operating temperature (1) -40 ~ +85 @ ambient temperature with natural convention operating temperature (2) -40 ~ +95 @ case surface temperature storage temperature -55 ~ +105 --- humidity up to 90 % --- cooling free air convection --- case type plastic --- 6. ordering information 7 . power derating curve temperature derating graph 100 -40 -20 0 20 40 60 80 120 25% 50% 75% 100% 125% 85 8585 85 temperature derating graph operating ambient temperature(c) output power(%) BMA1-xxd1 device family i nput voltage output voltage:"0"for 3.3v;"1"for 5v;"a"for 9v;"2"for 12v;"3"for 15v "a"for sil package;"b"for dil package "s"for single output;"d" for dual output output power bothhand usa sales@bothhandusa.com
BMA1 / bmb1 series 1 watt isolated dc-dc converter dual dual dual dual output outputoutput output 3 8 . mechanical dimension sil package style dil package style pin 1k vdc-dual output pin 1 -vin +vin 14 2 13 3 no pin 12 4 -vo 11 5 no pin 10 6 no pin +vo 9 7 nc common 8 pin 1k vdc-dual output 1 +vin 2 -vin 3 no pin 4 -vo 5 common 6 +vo units : mm (inch) tolerance : 0.xx 0.25(0.xx 0.01) units : mm (inch) tolerance : 0.xx 0.25(0.xx 0.01) bothhand usa sales@bothhandusa.com
BMA1 / bmb1 series 1 watt isolated dc-dc converter dual dual dual dual output outputoutput output 4 9. package sil package style dil package style bothhand usa sales@bothhandusa.com
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