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 ? 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 description the bel SRBG-30A1A0 is part of the non-isolated dc/dc converter power module series. the modules use a smt 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 92% 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 92% SRBG-30A1A0 notes: 1. add ?g? or ?r? suffix at the end of the model number to indicate tray or tape and reel 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 (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 input current (no load) - 270 ma 400 ma remote off input current - 2 ma - input reflected ripple current (pk-pk) - 20 ma 50 ma input reflected ripple current (rms) - 10 ma 30 ma with a 1000 uf al-cap at the input. i 2 t inrush current transient - - 1 a 2 s turn on voltage threshold - 7.2 v - turn off voltage threshold - 6.9 v - note: all specifications are typical at nominal input, full load at 25 c unless otherwise stated. SRBG-30A1A0 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 non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs 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 - - 0.2%vo, set load regulation - - 1.5%vo, set temperature regulation (-40 c to +85 c) - - 1%vo, set ripple and noise (rms) - 20 mv 60 mv ripple and noise (pk-pk) - 60 mv 150 mv 0-20 mhz bw, with a 22 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 - 4 ms 20 ms overshoot at turn on - - 5% output capacitance 150 uf - 10000 uf transient response overshoot - 90 mv 180 mv 50% ~ 75% max load settling time - 25 us 70 us overshoot - 90 mv 180 mv 75% ~ 50% max load settling time vo=3.3 v - 25 us 70 us di/dt=0.5 a/us, vin=12 vdc, with a 22 uf ceramic capacitor and a 150 uf tantalum at the output. note: all specifications are typical at nominal input, full load at 25 c unless otherwise stated. general specifications parameter min typ max notes efficiency vo=0.8 v vo=3.3 v 77% 89% 80% 92% - - 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 (vin=12 v, vo=3.3 v, i o =80%load; t a = 25 c) dimensions inches (l w h) millimeters (l w h) 1.3 x 0.53 x 0.437 33.02 x 13.46 x 11.10 weight - tbd - 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 non-isolated dc/dc converters 8 vdc - 14 vdc input 0.8 vdc - 3.63 vdc / 30 a outputs 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 remote enable specifications 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 the SRBG-30A1A0 modules feature an enable pin with positive logic. if not using the enable pin, leave the pin open (the module will be on). during logic_high, the module is turned on, during logic_low, the module is turned off. it inner circuit impedance is showed as the figure.
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 efficiency data module 0.8v 45.0% 50.0% 55.0% 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 3a 7.5a 15a 22.5a 30a output current efficiency 8v 12.0v 14.0v module 3.3v 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 3a 7.5a 15a 22.5a 30a output current efficiency 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 thermal derating curves vo=0.8 v vo=3.3 v ripple and noise waveforms vo=0.8 v vo=3.3 v note: ripple and noise at full load, 12 v input, external load with 150 uf tantalum capacitor and 22 uf ceramic 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 transient response waveforms vo=0.8 v 50% to 75% load transients vo=0.8 v 75% to 50% load transients vo=3.3 v 50% to 75% load transients vo=3.3 v 75% to 50% load transients note: transient response at vin=12 v, di/dt=0.5a/us, external load with 150 uf tantalum capacitor and 22 uf ceramic capacitor at the output, and ta=25 deg c.
? 2007 bel fuse inc. specifications subject to change without notice. 0118076 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 mechanical outline min: 0.14" * 0.095" (3.56mm * 2.41mm) max: 0.165" * 0.11" (4.19mm * 2.79mm) 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 1 on/off 2 vin 3 gnd 4 vout 5 trim 6 sense
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