hc series up to 200 watts www . wallindustries . com 200 603 778 2300 product features -- single output, high power dc/ dc converter -- 90% efficiency (3.3v out) -- synchronous rectification topology -- ideal for telecom and networking applications -- 2:1 input range, high efficiency, up to 200w out -- industry compatible pin out, ? brick footprint -- remote on / off, ttl level -- operating temperature up to 100c at baseplate -- trim capabilities +/- 10% -- over current protection, over voltage protection -- 1500vdc isolation, ul, cul, tuv, ce (48v) approvals pending -- oca (open convection architecture) overview the hc series is a family of highest performance open frame dc/dc converters (oca), based on the common and industry compatible ? brick footprint. the converter meets the typical telecom input voltage requirement of 36 to 75vdc, derating might be required. other standard features of the high efficiency converter are out- put voltages of 1.8vdc to 5vdc, short circuit and over voltage protection, remote on-off control, trim capabilities. the isolation voltage spec is >1500vdc to meet the industry agency approvals. output ripple voltage is rated at 1% (or less) of the nominal output voltage. specifications nominal input: 48vdc (36-75vdc) output voltage: see table 1 output power: up to 200w efficiency: 3.3v out 90%, others - consult factory isolation voltage: >1500vdc i/o operating temperature: -40c to +100c dimensions: 2.28? x 2.4? x .5? footprint for further information or application support: www.wallindustries.com or call 1-888-597-wall typical applications: -- on-board distributed power -- low profile & height pcb -- high current applications -- higher ambient environment table 1 model input output number voltage volts//amps vdc vdc hc48s1.8-72a 36-75 1.8 // 40 hc48s2.5-100a 36-75 2.5 // 40 hc48s3.3-132a 36-75 3.3 // 40 hc48s1.8-90a 36-75 1.8 // 50 hc48s2.5-125a 36-75 2.5 // 50 hc48s3.3-165a 36-75 3.3 // 50 hc48s5-200a 36-75 5 // 40 add ?r? suffix for negative remote on/off logic note: ?a? suffix is for open construction 2/4/02
up to 200 watts hc series 201 www . wallindustries . com 603 778 2300 specifications specification method min. typ. max. units input voltage: 48v version 36 48 75 volts remote on/off ttl (pos or neg logic- see note 1) ttl logic input filter pi-filter standard output voltage see table volts output voltage set point +/- 1% % of vout output current see table a overcurrent protection limiting % of iout output ripple 20mhz bw 100mvp-p typ. mv peak/peak short circuit protection continuous overvoltage protection standard 15% % of vout line regulation hl / ll +/- 0.2% load regulation 0-100% load +/- 0.5% transient response within +/-1% vout, ? to f.l. <200u sec output trim external +/- 10% % of vout efficiency synchronous rectification 90% 3.3v out isolation voltage 1500vdc vdc for 1 sec isolation resistance in/out/ >100mohms switching frequency 200khz typ. operating temperature -40 +100 degree c storage temperature -55 +125 degree c weight ~ 2 oz ounces dimensions case w/o pin ? brick footprint inches construction open convection architecture (oca) notes: 1) for negative logic, add suffix ?r? 2/4/02
hc series up to 200 watts 603 778 2300 202 www . wallindustries . com all case and pin-to-case dimensions are for reference only, unless otherwise noted. all dc/dc converters should be externally fused at the front end for protection. please note that significant capacitive load at the output of the converter may inhibit the start-up and the overall operation. pin connections 1. +vin 2. remote on/off** 3. case ground 4. -vin 5. +vout 6. +sense 7. trim 8. -sense 9. -vout note: remote on/off (referenced to -vin) no suffix: ttl open=on low=off r suffix: open=off low=on bottom view 2/4/02
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