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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 v - 13.2 v input 0.9 v - 5.0 v/15 a output ? non-isolated ? over temperature protection ? high efficiency ? under-voltage lockout (uvlo) ? high power density ? ocp/scp ? low cost ? remote sense ? excellent thermal performance ? industrial temperature range ? remote on/off ? wide input voltage range ? active low/high (option) ? wide output trim range description the bel VRPB-15Exxx series are part of the low cost non-isolated dc/dc power converter series. these modules use a sip package for ease of layout and space savings. the output is closely regulated and the efficiency at 3.3 v output is typically 92% at full load. typical features include remote on/off, under-voltage lockout, wide input voltage range, wide output trim range, over-current protection and short circuit protection. part selection output voltage input voltage max. output current max. output power typical efficiency model number active low model number active high 5.0 v 8.0 v - 13.2 v 15 a 75.0 w 92.6% VRPB-15E50l VRPB-15E50s 3.3 v 4.5 v - 13.2 v 15 a 48.5 w 92% VRPB-15E33l VRPB-15E33s 2.5 v 4.5 v - 13.2 v 15 a 37.5 w 90% VRPB-15E25l VRPB-15E25s 1.8 v 4.5 v - 13.2 v 15 a 27.0 w 88% VRPB-15E18l VRPB-15E18s 1.5 v 4.5 v - 13.2 v 15 a 22.5 w 86% VRPB-15E15l VRPB-15E15s 1.2 v 4.5 v - 13.2 v 15 a 18.0 w 84% VRPB-15E12l VRPB-15E12s 0.9 v 4.5 v - 13.2 v 15 a 13.5 w 80% VRPB-15E09l VRPB-15E09s 0.9 v - 3.63 v 4.5 v - 13.2 v 15 a 54.5 w 92% VRPB-15E1al VRPB-15E1as note : add ?g? suffix at the end of the model number to indicate ?tray packaging?. 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 -40 c - 125 c v rpb-15e series rohs com p liant
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output input specifications parameter min typ max notes input voltage 0.9v vo 3.63 v vo>3.63 v 4.5 v 8.0 v - - 13.2 v 13.2 v input current (full load) vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - - - - - - 11.4 a 9.0 a 6.7 a 5.8 a 4.9 a 3.9 a vin=5 v input current (full load) vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - - - - - - - - 11.2 a 4.9 a 3.6 a 2.7 a 2.3 a 1.9 a 1.49 a vin=12 v input current (no load) vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - - - - - - 180 ma 180 ma 180 ma 175 ma 170 ma 165 ma vin=5 v input current (no load) vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - - - - - - - - 210 ma 160 ma 140 ma 120 ma 120 ma 110 ma 105 ma vin=12 v input reflected ripple current (pk-pk) - - 600 ma input reflected ripple current (rms) - - 250 ma tested with simulated source impedance of 500 nh and one 470 uf/25 v al. capacitor. with esr=0.03 ohm max and two 270 uf/16 v oscon capacitor. with esr=0.013 ohm max at 100 khz i 2 t inrush current transient - 0.04 a 2 s0.08 a 2 s turn-on voltage threshold - 3.9 v - turn-off voltage threshold - 2.5 v - 0.9v vo 3.63v turn-on voltage threshold - 5.3 v - turn-off voltage threshold - 4.5 v - vo>3.63 v output specifications parameter min typ max notes output voltage set point vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v 4.900 v 3.234 v 2.450 v 1.764 v 1.470 v 1.176 v 0.882 v 5.0 v 3.3 v 2.5 v 1.8 v 1.5 v 1.2 v 0.9 v 5.100 v 3.366 v 2.550 v 1.836 v 1.530 v 1.224 v 0.918 v test condition: vin=12 v, lout=full load
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output output specifications (continued) parameter min typ max notes load regulation vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - 15 mv 10 mv 8 mv 6 mv 5 mv 5 mv 5 mv 40 mv 20 mv 20 mv 15 mv 15 mv 15 mv 15 mv line regulation vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - 15 mv 10 mv 7 mv 5 mv 3 mv 3 mv 3 mv 35 mv 20 mv 15 mv 10 mv 10 mv 10 mv 10 mv regulation over temperature (-40 c to +85 c) vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - 40 mv 15 mv 10 mv 5 mv 5 mv 5 mv 2 mv 80 mv 30 mv 20 mv 15 mv 15 mv 15 mv 10 mv output current 0 a - 15 a current limit threshold 18 a - 45 a short circuit surge transient vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - 4.5 a 2 s 3.9 a 2 s 3 a 2 s 3 a 2 s 3 a 2 s 3 a 2 s 2.5 a 2 s 9 a 2 s 7.8 a 2 s 6 a 2 s 6 a 2 s 6 a 2 s 6 a 2 s 5 a 2 s turn on time vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - 280 ms 280 ms 240 ms 220 ms 200 ms 190 ms 170 ms 310 ms 310 ms 270 ms 250 ms 230 ms 220 ms 200 ms overshoot at turn on - - 5%vo,set output capacitoracitance - - 6800 uf output ripple and noise (pk-pk) vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - 60 mv 60 mv 50 mv 40 mv 40 mv 30 mv 20 mv 100 mv 100 mv 90 mv 80 mv 80 mv 70 mv 60 mv test conditions: 0-20 mhz bw; 22 uf tantalum capacitor at the 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 4.5 v - 13.2 v input 0.9 v - 5.0 v/15 a output output specifications (continued) parameter min typ max notes output ripple and noise (rms) vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v - - - - - - - 25 mv 20 mv 15 mv 10 mv 10 mv 10 mv 5 mv 50 mv 40 mv 30 mv 20 mv 20 mv 20 mv 15 mv test conditions: 0-20 mhz bw; 22 uf tantalum capacitor at the output transient response (vin=12 v) 50% ~ 100% max load - 150 mv 220 mv settling time - 60 us 100 us 100% ~ 50% max load - 150 mv 220 mv settling time v o =5.0 v - 60 us 100 us 50% ~ 100% max load - 80 mv 120 mv settling time - 60 us 100 us 100% ~ 50% max load - 80 mv 120 mv settling time v o =3.3 v - 60 us 100 us 50% ~ 100% max load - 70 mv 120 mv settling time - 60 us 90 us 100% ~ 50% max load - 70 mv 120 mv settling time v o =0.9 v - 2.5 v - 60 us 90 us test conditions: di/dt=0.5 a/us, vin=12.0 vdc, and with a 470 uf tantalum capacitor at the output except vo=5.0 v transient response (vin=5 v) 50% ~ 100% max load - 120 mv 160 mv settling time - 70 us 120 us 100% ~ 50% max load - 120 mv 160 mv settling time v o =0.9 v - 3.3 v - 70 us 120 us test conditions: di/dt = 0.5 a/us; vin =5 v; with one 470 uf tantalum capacitor at the output 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 4.5 v - 13.2 v input 0.9 v - 5.0 v/15 a output general specifications parameter min typ max notes efficiency vo=5.0 v vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v 88% 87% 85% 83% 81% 79% 75% 92.6% 92% 90% 88% 86% 84% 80% - - - - - - - measured at vin=12 v, full load. efficiency vo=3.3 v vo=2.5 v vo=1.8 v vo=1.5 v vo=1.2 v vo=0.9 v 88% 86% 83% 81% 79% 75% 93% 91% 88% 86% 83% 81% - - - - - - measured at vin=5 v, full load. switching frequency 180 khz 200 khz 220 khz output voltage trim range (wide trim) - - 403%vo VRPB-15E1ax output voltage trim range (narrow trim) vo=1.2 v-5.0 v vo=0.9 v 90%vo - - - 110%vo 110%vo VRPB-15Exxx remote sense compensation - - 10%vo mtbf 3,714,560 hours calculated per bell core sr- 332 (i o = 80%iomax; vo=1.8 v; vin=12 v; t a = 25 c) dimensions inches (l w h) millimeters (l w h) 2.0 x 0.55 x 0.36 50.8 x 13.97 x 9.14 weight - 10 g - 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 - 0.4 v signal high (unit on) 2.8 v - 13.2 v VRPB-15Exxs signal low (unit on) -0.3 v - 0.4 v signal high (unit off) 2.8 v - 13.2 v VRPB-15Exxl
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output output trim equations equations for calculating the trim resistor (in k ? ) given the desired adjusted voltage (vadj) and the nominal output voltage of the converter (vnom) are shown below. the trim down resistor should be connected between the trim pin and vout. the trim up resistor should be connected between the trim pin and ground. only one of the resistors should be used for any given application. b v v a r adj nom trimdown ? ? = d v v c r nom adj trimup ? ? = vnom a b c d 0.9 - 3.63 n/a n/a 6.008 2.150 5.0 31.574 19.010 6.008 11.50 3.3 18.8157 25.310 6.008 17.800 2.5 12.7927 30.110 6.008 22.600 1.8 7.5426 39.110 6.008 31.600 1.5 5.2865 33.610 6.008 26.100 1.2 3.027 24.410 6.008 16.900 0.9 n/a n/a 6.008 64.900 efficiency data module 5.0v 70% 75% 80% 85% 90% 95% 100% 1.5 3.75 7.5 11.25 15.0 output current efficienc y 12v module 3.3v 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 100.0% 1.5 3.75 7.5 11.25 15.0 output current efficienc y 5v 12v module vout trim gnd rtrimdown module vout trim gnd rtrimup
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output efficiency data (continued) module 2.5v 60% 70% 80% 90% 100% 1.5 3.75 7.5 11.25 15.0 output current efficienc y 5v 12v module 1.8v 60% 65% 70% 75% 80% 85% 90% 95% 1.5 3.75 7.5 11.25 15.0 output current efficienc y 5v 12v module 1.5v 60% 65% 70% 75% 80% 85% 90% 95% 1.5 3.75 7.5 11.25 15.0 output current efficienc y 5v 12v module 1.2v 50% 60% 70% 80% 90% 1.5 3.75 7.5 11.25 15.0 output current efficienc y 5v 12v module 0.9v 50% 60% 70% 80% 90% 1.5 3.75 7.5 11.25 15.0 output current efficienc y 5v 12v
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output thermal derating curves (vin=5.5 v, vo=3.3 v) (vin=13.2 v, vo=3.3 v) ripple and noise
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output ripple and noise at full load, external load with 22 uf tantulm capacitor at the output, and ta=25 deg c. vin=5 v, vo=0.9 v vin=12 v, vo=0.9 v vin=5 v, vo=1.2 v vin=12 v, vo=1.2 v vin=5 v, vo=1.5 v vin=12 v, vo=1.5 v ripple and noise (continued)
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output vin=5 v, vo=1.8 v vin=12 v, vo=1.8 v vin=5 v, vo=2.5 v vin=12 v, vo=2.5 v vin=5 v, vo=3.3 v vin=12 v, vo=3.3 v vin=12 v, vo=5 v transient response
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output transient response: di/dt=0.5 a/us, external load capacitance co=470 uf (tantalum capacitor) , ta=25 . 50% to 100% load transient at vin=5 v, vo=0.9 v 100% to 50% load transient at vin=5 v, vo=0.9 v 50% to 100% load transient at vin=5 v, vo=1.2 v 100% to 50% load transient at vin=5 v, vo=1.2 v 50% to 100% load transient at vin=5 v, vo=1.5 v 100% to 50% load transient at vin=5 v, vo=1.5 v transient response (continued)
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output 50% to 100% load transient at vin=5 v, vo=1.8 v 100% to 50% load transient at vin=5 v, vo=1.8 v 50% to 100% load transient at vin=5 v, vo=2.5 v 100% to 50% load transient at vin=5 v, vo=2.5 v 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 transient response (continued)
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output 50% to 100% load transient at vin=12 v, vo=0.9 v 100% to 50% load transient at vin=12 v, vo=0.9 v 50% to 100% load transient at vin=12 v, vo=1.2 v 100% to 50% load transient at vin=12 v, vo=1.2 v 50% to 100% load transient at vin=12 v, vo=1.5 v 100% to 50% load transient at vin=12 v, vo=1.5 v transient response (continued)
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 v - 13.2 v input 0.9 v - 5.0 v/15 a output 50% to 100% load transient at vin=12 v, vo=1.8 v 100% to 50% load transient at vin=12 v, vo=1.8 v 50% to 100% load transient at vin=12 v, vo=2.5 v 100% to 50% load transient at vin=12 v, vo=2.5 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
? 2006 bel fuse inc. specifications subject to change without notice. 032906 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 v - 13.2 v input 0.9 v - 5.0 v/15 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 1 vo+ 2 vo+ 3 opt. remote sense (+) 4 vo+ 5 ground 6 ground 7 vin+ 8 vin+ 9 not used 10 trim 11 remote on/off

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