cs lf - series 1.8 t o 2 watt isolated dc - dc converte r hi - enable single output 92 bothhand enterprise inc. www.bothhand.com. tw e - mail: sales @bo t hhand.com. tw 1 . features l 16 pin smd package l low ripple a nd noise l input / output isolation 1k vdc o r 2k vdc l 100 % burn - in l input filter w ith internal capacitor l custom design available l net weight : 4.6 g typical l rohs converter certified by sgs 2 . single output selection guide (specifications typical at ta= +25 j , 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) 1k vdc isolation CSU0509 lf 9 2 00 30 456 70 8 79 CSU0509eh lf 5 9 2 00 38 486 7 0 8 7 4 csu1209 lf 9 200 18 188 7 0 8 80 csu1209eh lf 12 9 200 21 197 7 0 8 76 2) 2k vdc isolation CSU0509 - 20 lf 9 2 00 30 456 70 8 79 CSU0509eh - 20 lf 5 9 200 38 486 70 8 74 csu1209 - 20 9 200 18 188 70 8 80 csu1209eh - 20 lf 12 9 200 21 197 70 8 76 notes : 1 . csuxxyyeh lf is for c ustomer d esign . 2 . enable signal : logic hi ? active . 3 . load regulation is for ou tput curren t change from 20% to 100% max. l oad.
cs lf - series 1.8 t o 2 watt isolated dc - dc converte r hi - enable single output 93 bothhand enterprise inc. www.bothhand.com. tw e - mail: sales @bo t hhand.com. tw 3 . absolute m aximum r atings (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 input absolute voltage range 12v input model - 0.7 12 15 vdc max. output p ower --- --- 2.0 w output short c ircu it d uration nominal input range --- --- 1.0 second operation t emperature ( ambient temperature ) output full load - 40 --- +85 storage t emperature - 55 --- +125 j 4 . nominal input/output electrical specifications (specifications typical at ta= +25 j , n ominal input voltage , r ated output current unless otherwise noted) paramet er condition min. typ. max. unit 5v input model 4.5 5 5.5 input voltage range 12v input model 10.8 12 13.2 vdc output voltage accuracy --- --- 5.0 % switching frequency --- 70 --- khz temperature coefficient nominal input --- 0.01 0.02 % / j standard series 1000 --- --- vdc isolation voltage high isolation series 2000 --- --- vdc isolation resistance 500vdc 1000 --- --- m [ isolation capacitance 1khz / 250mv rms --- 50 --- pf max. line regulation (per 1.0% change in input change) --- -- - 1.3 % 5 . general specification parameter specification condition isolation voltage 1 0 00 /2000 vdc test d uration 60 seconds / 0.5 ma isolation resistance 1000 m [ min. @ 500 vdc operating temperature (1) - 40 j ~ + 85 j @ ambient temperature w ith natural c onvention operating temperature (2) - 40 j ~ +95 j @ case surface temperature storage temperature - 55 j ~ +125 j --- humidity up t o 90 % --- cooling free air c onvection --- case type plastic ---
cs lf - series 1.8 t o 2 watt isolated dc - dc converte r hi - enable single output 94 bothhand enterprise inc. www.bothhand.com. tw e - mail: sales @bo t hhand.com. tw 0 10 20 30 40 50 60 70 80 90 0.0 20.0 40.0 60.0 80.0 100.0 120.0 140.0 160.0 180.0 200.0 output load (ma) efficiency % 6 . ordering information 7 . power de rating curve temperature derating graph 8 . efficiency & output load chart vout= 9 v dc output voltage csu xxyyeh lf device family input voltage rohs converter cer tified by sgs high enable ( ) 140 125 100 50 0 - 40 0 50 95 125 140
cs lf - series 1.8 t o 2 watt isolated dc - dc converte r hi - enable single output 95 bothhand enterprise inc. www.bothhand.com. tw e - mail: sales @bo t hhand.com. tw 9 . mechanical dimension 10 . recommended f ootprint d etails units : mm (inch) tolerance : 0.xx 0.25 (0.xx 0.01) units : mm (inch) tolerance : 0.xx 0.25 (0.xx 0.01) pin 1 k & 2k vdc - s ingle pin 1 - vin 16 2 ve * 15 3 +vin 14 4 13 5 12 6 nc 11 7 +vo 10 8 - vo nc 9 note ?g ? * ? i f no e nable f unction, t he pin is nc. 1 8 1 6 9
cs lf - series 1.8 t o 2 watt isolated dc - dc converte r hi - enable single output 96 bothhand enterprise inc. www.bothhand.com. tw e - mail: sales @bo t hhand.com. tw 1 1 . package
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