bel fuse inc. 206 van v orst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 5 5 v dc input 53 v dc /8 a output aug. 10 , 20 11 bel power , inc. , a subsidiary of bel fuse, inc. ? fixed frequency (27 0 khz) ? output over - voltage shutdown ? isolat ed ? over temperature protection ? high efficiency ? scp/ocp ? low cost ? basic insulation ? input under / over - voltage lockout ? output voltage trim ? class 2 , category 2, isolated dc/dc converter (re fer to ipc - 9592) ? remote on/off ? excellent thermal p erformance ? both of ieee802.3af and ieee802.3at compliant description t he hbw53v08 x rg is an isolated dc/dc converter that operates from a nominal 48 v dc source. this unit provides up to 424 w of output p ower from a nominal 48 v dc input. this unit is designed to b e 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 ef ficiency model number 53 v dc 38 v dc - 5 5 v dc 8 a 424 w 9 3 % hbw53v08mr g 53 v dc 38 vdc - 5 5 v dc 8 a 424 w 9 3 % hbw53v08 s rg notes: 1. add ?g? suffix at the end of the model number to indicate tray packaging. 2. all part numbers above indicate rohs 6. chan ge 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 v oltage 2250 v - - ambient temperature - 40 ? c - 100 ? c storage te mperature - 55 ? c - 125 ? c input specifications parameter min typ max notes input voltage 38 v 48 v 5 5 v input current (no load) - 70 ma 10 0 ma input current (full load) - - 12.5 a remote off input current - 10 ma 2 0 ma input reflected ripple c urrent (pk - pk) - 2 0 ma 4 0 ma input reflected ripple current ( rms ) - 5 ma 10 ma w ith simulated source impedance of 12 uh, 5 hz to 20 mhz; use a 100 uf/100 v electrolytic capacitor with esr = 1 ohm max, at 200 k hz turn - on voltage threshold 3 4 v 3 6 v 3 7.5 v input under voltage threshold 3 3 v 3 5 v 3 6 .5 v input over voltage threshold 5 6 v - 60 v note: all specifications are typical at nominal input, full load at 25 ? c unless otherwise stated hbw53v08 x r g rohs compliant rev. c
bel fuse inc. 206 van v orst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 5 5 v dc input 53 v dc /8 a output aug. 10 , 20 11 bel power , inc. , a subsidiary of bel fuse, inc. 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 ) - 5 0 mv 8 0 mv ripple and noise (pk - pk) - 1 6 0 m v 2 50 m v 0 - 20 mhz b w, with 1 uf ceramic cap acitor and a 2 00 uf aluminum cap acitor at output shor t circuit protection - - - latched turn on time - - 9 0 ms rise time - - 8 0 ms overshoot at turn on and off - 0% 3 % output capacitance 2 00 uf - 1 0 00 uf transient response overshoot - 4 00 mv 8 00 mv v 25 % - 75% of max load settling time - 4 00 us 6 00 us overshoot - 4 00 mv 8 00 mv v75 % - 2 5 % of max load settling time - 4 00 us 6 00 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 % 9 3 % - v in =48 v, full load switching frequency 2 4 0 k hz 27 0 k hz 3 0 0 k hz isolati on capacitance - 44 00 pf - remote sense compensation - - 1 v output voltage trim range 42 v - 56 v o ver temperature protection - 10 0 - o ver voltage protection 56 v - 59 v v in =48 v, full load mtbf tbd calculated per bell core s r - 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 5 8.42 x 60.96 x 1 2.44 weight - 88 g - note : all specifications are typical at 25 ? c unless otherwise stated.
bel fuse inc. 206 van v orst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 5 5 v dc input 53 v dc /8 a output aug. 10 , 20 11 bel power , inc. , a subsidiary of bel fuse, inc. 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 rtrimdown 2 100 ? ? ? ? ? ? ? ? ? ? k delta delta delta vo delta rtrimup ) 2 100 ( 225 . 1 ) 100 ( ? ? ? ? % 100 _ ? ? ? vo vo req vo delta
bel fuse inc. 206 van v orst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 5 5 v dc input 53 v dc /8 a output aug. 10 , 20 11 bel power , inc. , a subsidiary of bel fuse, inc. e fficiency 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) e f f i c i e n c y 38 v 48 v 55 v thermal derating curve heatsink for above thermal test
bel fuse inc. 206 van v orst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 5 5 v dc input 53 v dc /8 a output aug. 10 , 20 11 bel power , inc. , a subsidiary of bel fuse, inc. ripple and noise waveform 48 vdc input, 53 vdc/8 a output t 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.
bel fuse inc. 206 van v orst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 5 5 v dc input 53 v dc /8 a output aug. 10 , 20 11 bel power , inc. , a subsidiary of bel fuse, inc. mechanical outline - hbw53v08mrg pin connections pin function pin size 1 v in (+) 0.04 ?? 2 on/off 0.04 ?? 3 c ase ground 0.04 ?? 4 v in ( - ) 0.0 4 ?? 5 v o ( - ) 0.0 8 ?? 6 sense( - ) 0.04 ?? 7 trim 0.04 ?? 8 sense(+) 0.04 ?? 9 v o (+) 0.08 ??
bel fuse inc. 206 van v orst street, jersey city, nj 07302 ? tel 201 - 432 - 0463 ? fax 201 - 432 - 9542 ? www.belfuse.com isolated dc/dc converters 38 vdc - 5 5 v dc input 53 v dc /8 a output aug. 10 , 20 11 bel power , inc. , a subsidiary of bel fuse, inc. mechanical outline - HBW53V08SRG pin connections pin function pin size 1 v in (+) 0.04 ?? 2 on/off 0.04 ?? 3 c ase ground 0.04 ?? 4 v in ( - ) 0.0 4?? 5 v o ( - ) 0.0 8 ?? 6 sense( - ) 0.04 ?? 7 trim 0.04 ?? 8 sense(+) 0.04 ?? 9 v o (+) 0.08 ??
? 2 011 bel fuse inc. specifications subject to change without notice. 081011 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 v dc input 53 vdc/8 a output aug. 10 , 20 11 bel power, inc. , a subsidiary of bel fuse, inc. revision history date revis ion changes detail approval 2007 - 5 - 8 a first release masera/hf fan 2009 - 11 - 17 b add both of ieee802.3af and ieee802.3at co mpliant hl 2011 - 8 - 10 c add mechanical drawing , part selection and updated part selection and add ? class 2 , category 2, isolated dc/dc converter (refer to ipc - 9592) ? hl rohs com p liance complies with the european directive 2002/95/ec, calling fo r the elimination of lead and other hazardous substances from electronic products.
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