bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 55 vdc input 53 vdc/8 a output ? fixed frequency (270 khz) ? output over-voltage shutdown ? isolated ? over temperature protection ? high efficiency ? scp/ocp ? low cost ? basic insulation ? input under/over-voltage lockout ? output voltage trim ? remote on/off ? excellent thermal performance description the HBW53V08MRG is an isolated dc/dc converter that operates from a nominal 48 vdc source. this unit provides up to 424 w of output power from a nominal 48 vdc input. this unit is designed to be highly efficient and low cost. the converter is provided in an industry standard half brick package. part selection output voltage input voltage max. output current max. output power typical efficiency model number 53 vdc 38 vdc - 55 vdc 8 a 424 w 93% HBW53V08MRG notes: 1. add ?g? suffix at the end of the model number to indicate tray packaging. 2. all part numbers above indicate rohs 6. change the second letter "r" to "7" for rohs 5 part numbers. absolute maximum ratings parameter min typ max notes input voltage -0.3 v - 65 v remote on/off -0.3 v - 5 v i/o isolation voltage 2250 v - - ambient temperature -40 c - 100 c storage temperature -55 c - 125 c input specifications parameter min typ max notes input voltage 38 v 48 v 55 v input current (no load) - 70 ma 100 ma input current (full load) - - 12.5 a remote off input current - 10 ma 20 ma input reflected ripple current (pk-pk) - 20 ma 40 ma input reflected ripple current (rms) - 5 ma 10 ma with simulated source impedance of 12 uh, 5 hz to 20 mhz; use a 100uf/100 v electrolytic capacitor with esr = 1 ohm max, at 200 khz turn-on voltage threshold 34 v 36 v 37.5 v input under voltage threshold 33 v 35 v 36.5 v input over voltage threshold 56 v - 60 v note: all specifications are typical at nominal input, full load at 25 c unless otherwise stated HBW53V08MRG rohs com p liant preliminary rev.a
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 55 vdc input 53 vdc/8 a output output specifications parameter min typ max notes output voltage set point 52.5 v 53 v 53.5 v v in =48 v, io=50%load load regulation - 0.1%vo 0.3%vo line regulation - 0.1%vo 0.3%vo regulation over temperature (-40deg.c-85deg.c) - - 0.02%vo output current range 0 a - 8 a output dc current limit 9 a - 12 a ripple and noise (rms) - 50 mv 80 mv ripple and noise (pk-pk) - 160 mv 250 mv 0 - 20 mhz bw, with 1 uf ceramic capacitor and a 200 uf aluminum capacitor at output short circuit protection - - - latched turn on time - - 90 ms rise time - - 80 ms overshoot at turn on and off - 0% 3% output capacitance 200 uf - 1000 uf transient response overshoot - 400 mv 800 mv v25% - 75% of max load settling time - 400 us 600 us overshoot - 400 mv 800 mv v75% - 25% of max load settling time - 400 us 600 us di/dt=0.1 a/us, vin=48 vdc, ta=25 c, with a 1f ceramic capacitor and a 200 uf aluminum cap at output. note: all specifications are typical at nominal input, full load at 25c with a 1f ceramic capacitor and a 200uf aluminum cap at output unless otherwise stated. general specifications parameter min typ max notes efficiency 92% 93% - v in =48 v, full load switching frequency 240 khz 270 khz 300 khz isolation capacitance - 4400 pf - remote sense compensation - - 1 v output voltage trim range 42 v - 56 v over temperature protection - 100 - over voltage protection 56 v - 59 v v in =48 v, full load mtbf tbd calculated per bell core sr-332 (vin=48 v, vo=normal, io=80%load, t a = 25 c) dimensions inches (l w h) millimeters (l w h) 2.30 x 2.40 x 0.49 58.42 x60.96 x 12.44 weight - 88 g - note : all specifications are typical at 25 c unless otherwise stated.
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 55 vdc input 53 vdc/8 a output control specifications parameter min typ max notes remote on/off signal low (unit on) -0.3 v - 0.6 v signal high (unit off) active low 2.4 v - 5 v the remote on/off pin open, unit off. output trim equations equations for calculating the trim resistor are shown below. the trim down resistor should be connected between the trim pin and gnd pin. the trim up resistor should be connected between the trim pin and the vout. only one of the resistors should be used for any given application. note: vo_req=desired(trimmed) output voltage[v] output voltage vo=53 v module vout trim gnd rtrimdown module vout trim gnd rtrimup [] ? = k delta rt rimd ow n 2 100 [] ? + ? ? ? + = k delta delta delta vo delta rt rimup ) 2 100 ( 225 . 1 ) 100 ( () [] % 100 _ ? = vo vo req vo delta
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 55 vdc input 53 vdc/8 a output efficiency data efficiency curve 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 0.80 2.00 4.00 6.00 8.00 output current(a) efficienc y 38 v 48 v 55 v thermal derating curve heatsink for above thermal test
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 55 vdc input 53 vdc/8 a output ripple and noise waveform 48 vdc input, 53 vdc/8 a outputt note: ripple and noise at full load, with a 1uf ceramic cap and a 200 uf/100 v aluminum cap at output, ta=25 deg c. transient response waveforms vout= 53 v 25%-75% load transient vout= 53 v 75%-25% load transient note: transients at di/dt=0.1 a/us, vin=48 vdc, ta=25 and with a 1uf ceramic cap and a 200 uf/100 v aluminum cap at output.
? 2007 bel fuse inc. specifications subject to change without notice. 051507 corporate far east europe bel fuse inc. bel fuse ltd. bel fuse europe ltd. 206 van vorst street 8f/ 8 luk hop street preston technology management centre jersey city, nj 07302 san po kong marsh lane, suite g7, preston tel 201-432-0463 kowloon, hong kong lancashire, pr1 8ud, u.k. fax 201-432-9542 tel 852-2328-5515 tel 44-1772-556601 www.belfuse.com fax 852-2352-3706 fax 44-1772-888366 www.belfuse.com www.belfuse.com isolated dc/dc converters 38 vdc - 55 vdc input 53 vdc/8 a output mechanical outline rohs compliance complies with the european directive 2002/95/ec , calling for the elimin ation of lead and other hazardous substances from electronic products. pin connections pin function pin size 1 vin(+) 0.04?? 2 on/off 0.04?? 3 case ground 0.04?? 4 vin(-) 0.04?? 5 vo(-) 0.08?? 6 sense(-) 0.04?? 7 trim 0.04?? 8 sense(+) 0.04?? 9 vo(+) 0.08??
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