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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 isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. ? isolated ? input under-voltage lockout ? fixed frequency (550 khz) ? output over-voltage shutdown ? high efficiency ? ocp/scp ? high power density ? over temperature protection ? low cost ? remote on/off (option) ? output voltage trim ? positive/negative remote sense ? basic insulation ? through hole and smt(option) ? ul60950-1 recognized (ul/cul) description the xrsb-30t series are isolated dc/dc converters that op erate from a nominal 48 vdc source. these units will provide up to 30 w of output power from a nominal 48 vdc input. these units are designed to be highly efficient and low cost. features include remote on/off, over current protection and under voltage lockout. these converters are provided in an industry standard sixteenth brick package. part selection output voltage input voltage max. output current max. output power typical efficiency model number active low model number active high 1.2 vdc 36 vdc - 75 vdc 15 a 18 w 84% xrsb-30tv2l xrsb-30tv20 1.5 vdc 36 vdc - 75 vdc 13 a 19.5 w 86% xrsb-30tv5l xrsb-30tv50 1.8 vdc 36 vdc - 75 vdc 13 a 23 w 86% xrsb-30tv8l xrsb-30tv80 2.5 vdc 36 vdc - 75 vdc 10 a 25 w 89% xrsb-30t02l xrsb-30t025 3.3 vdc 36 vdc - 75 vdc 10 a 30 w 90% xrsb-30t03l xrsb-30t033 5.0 vdc 36 vdc - 75 vdc 7 a 35 w 90% xrsb-30t05l xrsb-30t050 12 vdc 36 vdc - 75 vdc 3 a 36 w 89% xrsb-30t12l xrsb-30t120 notes: 1. add ?g? suffix at the end of the model number to indicate tray packaging. replace?x? with ?s? to indicate smt package, or ?0? to indicate through hole package. 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 - 80 v input voltage transient (100 ms) -0.3 v 100 v remote on/off -0.3 v - 18 v i/o isolation voltage - - 1500 v ambient temperature -40 c - 85 c storage temperature -55 c - 125 c xrsb-30t series 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 isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. input specifications parameter min typ max notes input voltage 36 v 48 v 75 v input current (full load) - - 1.6 a input current (no load) - 30 ma 120 ma remote off input current - 2 ma 6 ma input reflected ripple current (pk-pk) - 20 ma 50 ma input reflected ripple current (rms) - 3 ma 7 ma tested with simulated source impedance of 15 uh, 5 hz to 20 mhz; use a 100 uf/100 v electrolytic capacitor with esr=1 ohm max at 200 khz at the input. i 2 t inrush current transient - 0.01 a 2 s 0.02 a 2 s turn on voltage threshold 31 v 33 v 35 v turn off voltage threshold 28 v 32 v 35 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 vo=1.2 v vo=1.5 v vo=1.8 v vo=2.5 v vo=3.3 v vo=5.0 v vo=12 v 1.182 v 1.478 v 1.773 v 2.463 v 3.250 v 4.900 v 11.750 v 1.2 v 1.5 v 1.8 v 2.5 v 3.3 v 5.0 v 12.0 v 1.218 v 1.523 v 1.827 v 2.538 v 3.350 v 5.100 v 12.250 v test conditions: vin=48 v; io=50% load line regulation vo=1.2 - 1.8 v vo=2.5 v vo=3.3 v vo=5.0 v vo=12 v - - - - - 0.5 mv 2.0 mv 3.0 mv 4.0 mv 6.0 mv 3 mv 6 mv 8 mv 9 mv 20 mv load regulation vo=1.2 - 2.5 v vo=3.3 - 5.0 v vo=12 v - - - 3 mv 4 mv 5 mv 5 mv 9 mv 10 mv regulation over temperature (-40 c to +85 c) vo=1.2 - 1.8 v vo=2.5 - 3.3 v vo=5.0 v vo=12 v - - - - - 7 mv 9 mv 15 mv 20 mv 15 mv 16 mv 30 mv 35 mv output current vo=1.2 v vo=1.5 v vo=1.8 v vo=2.5 v vo=3.3 v vo=5.0 v vo=12 v 0 a 0 a 0 a 0 a 0 a 0 a 0 a - - - - - - - 15 a 13 a 13 a 10 a 10 a 7 a 3 a
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. output specifications (continued) parameter min typ max notes current limit threshold vo=1.2 v vo=1.5 v vo=1.8 v vo=2.5 v vo=3.3 v vo=5.0 v vo=12 v 18 a 14 a 14 a 11 a 10.5 a 7.5 a 3.5 a 24 a 20 a 19 a 16 a 15.5 a 9.5 a 4.5 a 30 a 26 a 24 a 21 a 25 a 14 a 6 a short circuit surge transient - 0.5 a 2 s 1 a 2 s ripple and noise (rms) vo=1.2 - 2.5 v vo=3.3 v vo=5.0 - 12 v - - - 10 mv 15 mv 30 mv 20 mv 30 mv 55 mv ripple and noise (pk-pk) vo=1.2 - 2.5 v vo=3.3 v vo=5.0 v vo=12 v - - - - 40 mv 65 mv 90 mv 80 mv 70 mv 110 mv 150 mv 140 mv tested at 0-20 mhz bw, with a 1 uf ceramic capacitor and a 10 uf tantalum capacitor at the output. turn on time - 35 ms 70 ms overshoot at turn on - 0% 5% output capacitance vo=1.2 - 1.5 v vo=1.8 v vo=2.5 v vo=3.3 v vo=5.0 v vo=12 v 220 uf 220 uf 220 uf 0 uf 0 uf 0 uf - - - - - - 15000 uf 10000 uf 6800 uf 4700 uf 2200 uf 330 uf transient response overshoot - 100 mv 150 mv 25% ~ 50% max load settling time - 100 us 150 us overshoot - 100 mv 150 mv 50% ~ 25% max load settling time vo=1.2 v - 100 us 150 us overshoot - 150 mv 200 mv 25% ~ 50% max load settling time - 120 us 200 us overshoot - 150 mv 200 mv 50% ~ 25% max load settling time vo=1.5 - 1.8 v - 120 us 200 us overshoot - 200 mv 300 mv 25% ~ 50% max load settling time - 100 us 150 us overshoot - 200 mv 300 mv 50% ~ 25% max load settling time vo=2.5 v - 100 us 150 us overshoot - 200 mv 350 mv 25% ~ 50% max load settling time - 200 us 350 us overshoot - 200 mv 350 mv 50% ~ 25% max load settling time vo=3.3 v - 200 us 350 us overshoot - 350 mv 500 mv 25% ~ 50% max load settling time - 200 us 350 us overshoot - 350 mv 500 mv 50% ~ 25% max load settling time vo=5.0 v - 200 us 350 us overshoot - 270 mv 450 mv 25% ~ 50% max load settling time - 110 us 200 us overshoot - 270 mv 450 mv 50% ~ 25% max load settling time vo=12 v - 110 us 200 us test conditions: di/dt = 0.1 a/us, vin=48 v, with a 1uf ceramic capacitor and a 10 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 isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. general specifications parameter min typ max notes efficiency vo=1.2 v vo=1.5 v vo=1.8 v vo=2.5 v vo=3.3 - 5.0 v vo=12 v 81% 83% 83% 84% 87% 86% 84% 86% 86% 87% 90% 89% - - - - - - vin=48 v, full load switching frequency 500 khz 550 khz 600 khz isolation capacitance - 3900 pf - output voltage trim range 90% vo - 110% vo over temperature protection 120 c - 140 c over voltage protection - 130% vo 160% vo test conditions: vin=48 v, full load and short the feedback optocoupler. mtbf tbd calculated per bell core sr-332 (i o = nominal; t a = 25 c) dimensions inches (l w h) millimeters (l w h) 1.3 x 0.9 x 0.364 33.02 x 22.86 x 9.24 smt package dimensions inches (l w h) millimeters (l w h) 1.3 x 0.9 x 0.388 33.02 x 22.86 x 9.85 through hole package weight - 13 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 on) -0.3 v - 0.8 v signal high (unit off) active low 2.95 v - 18 v signal low (unit off) -0.3 v - 0.8 v signal high (unit on) active high 2.95 v - 18 v when remote on/off pin is open, for active low option, unit is off; for active high option, unit is on current sink - 0 ma - 1 ma
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. output trim equations equations for calculating the trim resistor are shown below (unit: k ? ). the trim down resistor should be connected between the trim pin and ground 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. 1) trim equations for vo=1.2 v note : vo_req=desired (trimmed) output voltage [v] vo=1.202 v 2) trim equations for vo=1.5 v - 12 v note : vo_req=desired (trimmed) output voltage [v] vo=1.503 v for 1.5 v output; vo=1.804 v for 1.8 v output; vo=2.505 v for 2.5 v output; vo=3.308 v for 3.3 v output; vo=5.002 v for 5 v output; vo=12.007 v for 12 v output. 22 . 10 511 ? = delta r trimdown () [] % 100 _ ? = vo vo req vo delta 22 . 10 225 . 1 626 11 . 5 ) 100 ( ? ? ? ? ? + = delta vo delta r trimup 22 . 10 511 ? = delta r trimdown () [] % 100 _ ? = vo vo req vo delta 22 . 10 6125 . 0 313 11 . 5 ) 100 ( ? ? ? ? ? + = delta vo delta r trimup 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 isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. efficiency data 50% 55% 60% 65% 70% 75% 80% 85% 90% 1.5a 3.75a 7.5a 11.25a 15a output current (a) efficiency 36v 48v 75v 50% 55% 60% 65% 70% 75% 80% 85% 90% 1.3a 3.25a 6.5a 9.75a 13a output current (a) efficiency 36v 48v 75v vo=1.2 v vo=1.5 v 50% 55% 60% 65% 70% 75% 80% 85% 90% 1.3a 3.25a 6.5a 9.75a 13a output current (a) efficiency 36v 48v 75v 50% 55% 60% 65% 70% 75% 80% 85% 90% 1.8a 4.5a 9a 12.a 18a output current (a) efficiency 36v 48v 75v vo=1.8 v vo=2.5 v 50% 55% 60% 65% 70% 75% 80% 85% 90% 1a 2.5a 5a 7.5a 10a output current (a) efficiency 36v 48v 75v 50% 55% 60% 65% 70% 75% 80% 85% 90% 0.7a 1.75a 3.5a 5.25a 7a output current (a) efficiency 36v 48v 75v vo=3.3 v vo=5.0 v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. efficiency data (continued) 50% 55% 60% 65% 70% 75% 80% 85% 90% 0.3a 0.75a 1.5a 2.25a 3a output current (a) efficiency 36v 48v 75v vo=12 v thermal derating curves vin=48 v, vo=1.2 v vin=48 v, vo=1.5 v vin=48 v, vo=1.8 v vin=48 v, vo=2.5 v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. thermal derating curves (continued) vin=48 v, vo=3.3 v vin=48 v, vo=5.0 v vin=48 v, vo=12 v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. ripple and noise waveforms vo=1.2 v vo=1.5 v vo=1.8 v vo=2.5 v vo=3.3 v vo=5.0 v vo=12 v note: ripple and noise at full load, 48 v input, with a 1 uf ceramic capacitor and a 10 uf tantalum cap at the output, and 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 isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. transient response waveforms vo=1.2 v 50% to 25% load transients vo=1.2 v 25% to 50% load transients vo=1.5 v 50% to 25% load transients vo=1.5 v 25% to 50% load transients vo=1.8 v 50% to 25% load transients vo=1.8 v 25% to 50% load transients vo=2.5 v 50% to 25% load transients vo=2.5 v 25% to 50% load transients
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. transient response waveforms (continued) vo=3.3 v 50% to 25% load transients vo=3.3 v 25% to 50% load transients vo=5.0 v 50% to 25% load transients vo=5.0 v 25% to 50% load transients vo=12 v 50% to 25% load transients vo=12 v 25% to 50% load transients note: transient response at vin=48 v, di/dt=0.1a/us, with external 220 uf tantalum capacitor and 1 uf ceramic capacitor, and 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 isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. mechanical outline smt package pin connections pin function 1 vin (+) 2 remote on/off 3 vin (-) 4 vout- 5 remote sense (-) 6 trim 7 remote sense (+) 8 vout (+)
bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 ? fax 201-432-9542 ? www.belfuse.com isolated dc/dc converters 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. mechanical outline (continued) through hole package note: 1) all pins: material - copper alloy; finish ? 3 micro inches minimum gold over 50 micro inches minimum nickel plate. 2) undimensioned components are shown for visual reference only. 3) all dimensions in inches; tolerances: x.xx +/-0.02 in. x.xxx +/-0.010 in. unless otherwise stated. pin connections pin function 1 vin (+) 2 remote on/off 3 vin (-) 4 vout- 5 remote sense (-) 6 trim 7 remote sense (+) 8 vout (+)
? 2010 bel fuse inc. specifications subject to change without notice. 040910 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 48 vdc input, 1.2 vdc - 12 vdc / 15 a - 3 a outputs, 1/16 brick converter apr. 09, 2010 bel power inc., a subsid iary of bel fuse inc. revision history date revision changes detail approval 2010-4-9 b update the 0rsb-30t series product height from 0.378?? to 0.388??. 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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