bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs jan. 12, 2010 bel power inc., a subsid iary of bel fuse inc. features ? non-isolated ? input under voltage lockout ? fixed frequency ? over temperature shutdown ? high efficiency ? short circuit protection ? wide trim ? remote on/off ? low cost ? industrial temperature range ? remote sense ? ul60950-1 recognized (ul/cul) applications ? networking ? computers and peripherals ? telecommunications description the bel VRBG-30A1A0 is part of the non-isolated dc/dc converter power module series. the modules use a sip package. these converters are available in a range of output voltages from 0.8 vdc to 3.63 vdc over a wide range of input voltage (vin = 8 vdc - 14 vdc).the efficiency is typically 91% at 12 vdc input and 3.3 vdc output at full load. part selection output voltage input voltage max. output current max. output power typical efficiency model number 0.8 vdc - 3.3 vdc 8 vdc - 14 vdc 30 a 99 w 91% VRBG-30A1A0 note: add ?g? or ?r? suffix at the end of the model number to indicate tray or tape and reel packaging. part number explanation v r bg ? 30 a 1a 0 1 2 3 4 5 6 7 1---vertical mount 2---rohs 6, change ?r? to ?7? means rohs 5 3---series name 4---series code (output current 30a) 5---input range (8-14v) 6---output voltage, wide trim 7---suffix v rbg-30a1a0 rohs com p liant rev.b
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs jan. 12, 2010 bel power inc., a subsid iary of bel fuse inc. absolute maximum ratings parameter min typ max notes input voltage (continuous) -0.3 v - 15 v output enable terminal voltage -0.3 v - 15 v ambient temperature -40 c - 85 c storage temperature -55 c - 125 c input specifications parameter min typ max notes input voltage 8 v 12 v 14 v input current (full load) - - 15 a an input line fuse must always be used. input current (no load) - 240 ma - remote off input current - 20 ma - input reflected ripple current (rms) - - 10 ma input reflected ripple current (pk-pk) - - 40 ma with a 1000 uf al-cap at the input. i 2 t inrush current transient - - 1 a 2 s turn on voltage threshold - 6.7 v - turn off voltage threshold - 6.3 v - note: all specifications are typical at nominal input, full load at 25 c unless otherwise stated. output specifications parameter min typ max notes output voltage set point -1.5%vo, set - 1.5%vo, set v in =12 v, i o =half load line regulation - - 0.5%vo, set load regulation - - 1.5%vo, set temperature regulation (-40 c to +85 c) - - 1%vo, set ripple and noise (rms) - 4 ma 20 mv ripple and noise (pk-pk) - 15 mv 100 mv 0-20 mhz bw, with a 20 f ceramic capacitor and a 150 uf tantalum capacitor at the output. output current 0 a - 30 a short circuit surge transient - 1 a 2 s 3 a 2 s turn on time - 2 ms 10 ms overshoot at turn on - - 5% output capacitance 150 uf - 10000 uf transient response overshoot - 65 mv 150 mv 50% ~ 75% max load settling time - 20 us 45 us overshoot - 65 mv 150 mv 75% ~ 50% max load settling time vo=3.3 v - 20 us 45 us di/dt=0.5 a/us, vin=12 vdc, with a 20 f ceramic capacitor and a150 uf tantalum capacitor at the output. note: all specifications are typical at nominal input, full load 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 non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs jan. 12, 2010 bel power inc., a subsid iary of bel fuse inc. general specifications parameter min typ max notes efficiency vo=0.8 v vo=1.8 v vo=2.5 v vo=3.3 v - - - - 80% 87% 90% 91% - - - - vin=12 v, full load switching frequency - 600 khz - output voltage trim range 0.8 v - 3.63 v over temperature shutdown - 130 c - remote sense compensation - - 0.5 v mtbf tbd calculated per bell core sr-332 (i o = nominal; t a = 25 c) dimensions inches (l w h) millimeters (l w h) 2.0 x 0.50 x 0.433 50.80 x 12.70 x 11.0 weight - tbd - note : all specifications are typical at 25 c unless otherwise stated. control specifications parameter min typ max notes remote on/off signal low (unit off) -0.3 v - 0.8 v signal high (unit on) 2.8 v - vin, max remote on/off pin open, unit on output trim equations equations for calculating the trim resistor are shown below (unit: ? ). the trim resistor should be connected between the trim pin and ground pin. vo is the desired output voltage rtrim module vout gnd sense trim ? ? ? ? ? ? ? ? = 715 8 . 0 9680 vo r trim
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs jan. 12, 2010 bel power inc., a subsid iary of bel fuse inc. efficiency data module 0.8 v 40.0% 45.0% 50.0% 55.0% 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 3a 7.5a 15a 22.5a 30a 8v 12v 14v module 1.8 v 40.0% 45.0% 50.0% 55.0% 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 3a 7.5a 15a 22.5a 30a 8v 12v 14v module 2.5 v 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 3a 7.5a 15a 22.5a 30a 8v 12v 14v module 3.3v 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 3a 7.5a 15a 22.5a 30a 8v 12.0v 14.0v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs jan. 12, 2010 bel power inc., a subsid iary of bel fuse inc. thermal derating curves the maximum acceptable temperature measured at the thermal ref points is 110 deg, the thermal ref point is shown in figure. all the derating curves were tested with two electronic loads connected in parallel. vin=12 v, vo=3.3 v vin=12 v,vo=2.5 v vin=12 v, vo=1.8 v vin=12 v, vo=0.8 v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs jan. 12, 2010 bel power inc., a subsid iary of bel fuse inc. ripple and noise waveforms 12 vdc input, 0.8 vdc output 12 vdc input, 1.8 vdc output 12 vdc input, 2.5 vdc output 12 vdc input, 3.3 vdc output note: ripple and noise at full load, external load with 150 uf tantalum cap and 20 uf ceramic at the output, and ta=25 deg c. transient response waveforms 50% to 75% load transient at 0.8 vdc output 75% to 50% load transient at0.8 vdc output
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs jan. 12, 2010 bel power inc., a subsid iary of bel fuse inc. transient response waveforms (continued) 50% to 75% load transient at 1.8 vdc output 75% to 50% load transient at 1.8 vdc output 50% to 75% load transient at 2.5 vdc output 75% to 50% load transient at 2.5 vdc output 50% to 75% load transient at 3.3 vdc output 75% to 50% load transient at 3.3 vdc output note : transient response at 12 vdc input, di/dt=0.5 a/us, with a 20 f ceramic capacitor and a 150 uf tantalum capacitor at the output, ta=25 deg c.
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs jan. 12, 2010 bel power inc., a subsid iary of bel fuse inc. mechanical outline pin connections pin function pin function 1 vin 11 vout 2 vin 12 vout 3 ground 13 remote on/off 4 ground 14 ground 5 trim 15 ground 6 remote sense+ 16 ground 7 ground 17 ground 8 ground 18 vin 9 vout 19 n/c 10 vout 20 vin
? 2010 bel fuse inc. specifications subject to change without notice. 011210 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 non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs jan. 12, 2010 bel power inc., a subsid iary of bel fuse inc. revision history date revision changes detail approval 2007-1-18 a first release hl lu 2010-1-12 b 1. update to bel new datasheet format; 2. output line regulation; 3. efficiency curve for 3.3vout; 4. thermal derating curves. jack fan rohs compliance complies with the european directive 2002/95/ec , calling for the elimin ation of lead and other hazardous substances from electronic products.
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