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 4.5 vdc - 14 vdc input 0.75 vdc - 3.63 vdc/16 a output ? non-isolated ? under-voltage lockout (uvlo) ? high efficiency ? ocp/scp ? fixed frequency ? wide trim ? low cost ? wide input ? industrial temperature range ? logic low/high (option) ? over temperature shutdown ? remote sense ? remote on/off description the bel vrbc-16e1ax is part of the non-isolated dc/dc converter series. the modules use a sip package. these converters are available in a range of output voltages from 0.75 vdc to 3.63 vdc over a wide range of input voltage (vin = 4.5 vdc - 14 vdc). the efficiency is typically 92% at 3.3 vdc output at full load. part selection output voltage input voltage max. output current max. output power typical efficiency model number active low model number active high 0.75 v - 3.63 v 4.5 v - 14 v 16 a 58 w 92% vrbc-16e1al VRBC-16E1A0 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 (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 vo,set < 3.0 vo,set 3.0 4.5 v vo,set+1.5 v - - 14 v 14 v input current (full load) - - 15 a this power module is not internally fused. an input line fuse must always be used input current (no load) - 100 ma - remote off input current - 2 ma - input reflected ripple current (pk-pk) - - 400 ma input reflected ripple current (rms) - - 150 ma tested with one 1000 uf / 25 v al input capacitor with esr=0.03 ohm max and 6 47 uf/16 v tantalum capacitors with esr=0.013 ohm max at 100 khz, & simulated source impedance of 1000 nh, 5 hz to 20 mhz. i 2 t inrush current transient - 0.2 a 2 s 0.4 a 2 s turn-on voltage threshold - 4.3 v - turn-off voltage threshold 3.7 v - 4.2 v v rbc-16e1ax rohs com p liant 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 4.5 vdc - 14 vdc input 0.75 vdc - 3.63 vdc/16 a output output specifications parameter min typ max notes output voltage set point -2%vo,set - 2%vo,set vin=12 v, full load load regulation - 0.2%vo,set - line regulation - 0.3%vo,set - regulation over temperature (-40 c to +85 c) - 0.3%vo,set - output current 0 a - 16 a current limit threshold - 180% io,out - short circuit surge transient - 1 a 2 s 3 a 2 s ripple and noise (pk-pk) - 30 mv 80 mv ripple and noise (rms) - 12 mv 35 mv tested with 0-20 mhz, 10 uf tantalum capacitor & 1 uf ceramic ca p acitor at the out p ut turn on time - 8 ms 20 ms overshoot at turn on - - 1%vo,set output capacitance 0 uf - 5600 uf transient response 50% ~ 100% max load - 100 mv - settling time - 80 us - 100% ~ 50% max load - 100 mv - settling time all - 80 us - di/dt=0.5 a / us; vin=12 v and and without any external capacitor 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=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.75 v - - - - - - 91.7% 90.4% 87.5% 86% 85% 79% - - - - - - measured at vin=12 v, lo=lo-max efficiency vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.75 v - - - - - - 93.5% 91.5% 88.4% 87% 86% 80% - - - - - - measured at vin=5 v, lo=lo-max switching frequency 250 khz 280 khz 310 khz over temperature shutdown 1 - 130 c - output trim range (wide trim) 0.7525 v - 3.63 v remote sense compensation - - 0.5 v total adjustment of trim, setpoint and remote sense combined should not exceed 3.63 v. vo=0.7525 v when trim pin open mtbf 4,619,490 hours calculated per bell core tr-332 (i o = 80%io,max; vin=12 v; vo=3.3 v; t a = 25 c ) dimensions inches (l w h) millimeters ( l w h ) 2.0x 0.5 x 0.32 50.8 x 12.7 x 8.13 weight - 7.1 g - notes : all specifications are typical at 25 c unless otherwise stated. 1. the tref temperature measurement location:
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 4.5 vdc - 14 vdc input 0.75 vdc - 3.63 vdc/16 a output control specifications parameter min typ max notes remote on/off signal low (unit off) -0.2v - 0.3v signal high (unit on) - - vin, max VRBC-16E1A0; remote on/off pin open, unit on. signal low (unit on) -0.2v - 0.3v signal high (unit off) 2.5v - vin, max vrbc-16e1al; remote on/off pin open, unit on. output trim equations equation for calculating the trim resistor (in ? ) given the desired output voltage (vo) is shown below. the trim up resistor should be connected between the trim pin and ground. 1000 7525 . 0 10500 ? ? = vo r trim equation for calculating the trim voltage (in v) given the desired output voltage (vo) is shown below. the trim up voltage should be connected between the trim pin and ground. ) 7525 . 0 ( 0667 . 0 7 . 0 ? ? = vo v trim rtrim module vout gnd sense trim vtrim module vout gnd sense 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 4.5 vdc - 14 vdc input 0.75 vdc - 3.63 vdc/16 a output efficiency data module 3.3v 70% 75% 80% 85% 90% 95% 100% 1.6 4.0 8.0 12.0 16.0 output current efficiency 5.0v 12.0 v module 2.5v 70% 80% 90% 100% 1.6 4.0 8.0 12.0 16.0 output current efficiency 5.0v 12.0v module 1.8v 70% 75% 80% 85% 90% 95% 100% 1.6 4.0 8.0 12.0 16.0 output current efficiency 5.0v 12.0v module 1.5v 65% 75% 85% 95% 105% 1.6 4.0 8.0 12.0 16.0 output current efficiency 5.0v 12.0 v module 1.2v 50% 60% 70% 80% 90% 100% 1.6 4.0 8.0 12.0 16.0 output current efficiency 5.0v 12.0v module 0.75v 50% 60% 70% 80% 90% 100% 1.6 4.0 8.0 12.0 16.0 output current efficiency 5.0v 12.0v
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 4.5 vdc - 14 vdc input 0.75 vdc - 3.63 vdc/16 a output thermal derating curves vo=0.75 v; vin=12 v vo=1.8 v; vin=12 v vo=3.3 v; vin=12 v ripple and noise waveforms vin=5.0 v, vo=3.3 v vin=12 v, vo=3.3 v note: external load with 10 uf tantalum capacitor and 1 uf ceramic at the output, full load, 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 4.5 vdc - 14 vdc input 0.75 vdc - 3.63 vdc/16 a output transient response waveforms 50% to 100% load transient at vin=5 v, vo=3.3 v 100% to 50% load transient at vin=5 v, vo=3.3 v 50% to 100% load transient at vin=12 v, vo=3.3 v 100% to 50% load transient at vin=12 v, vo=3.3 v note: external load capacitor cext=0 uf, and ta=25 deg c.
? 2007 bel fuse inc. specifications subject to change without notice. 011807 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 4.5 vdc - 14 vdc input 0.75 vdc - 3.63 vdc/16 a output mechanical outline rohs compliance complies with the european directive 2002/95/ ec, calling for the elimination of lead and other hazardous substances from electronic products. pin connections pin function 1 vo 2 vo 3 remote sense 4 vo 5 ground 6 ground 7 vin 8 vin 9 n/a 10 trim 11 remote on/off
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