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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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. features ? non-isolated ? output over-voltage shutdown ? high efficiency ? ocp/scp ? fixed switching frequency ? low output ripple ? low cost ? power good signal ? excellent thermal performance ? remote on/off ? wide input voltage range ? wide output trim range applications ? networking ? computers and peripherals ? telecommunications description the xrp2-50e1ax is a non-isolated dc/dc converter that operates over a wide range of input voltage (vin = 5 vdc - 13.8 vdc). this unit can provide a precisely regulated output voltage from 0.6 vdc to 5.0 vdc and can deliver up to 50 a of output current. this unit is designed to be highly efficient and low cost. the converter is provided in an industry standard package. part selection output voltage input voltage max. output current max. output power typical efficiency (vo=1.8 vdc part number horizontal mount part number vertical mount 0.6 v - 5.0 v 5.0 v - 13.8 v 50 a 250 w 86% 0rp2-50e1a0 vrp2-50e1a0 0.6 v - 5.0 v 5.0 v - 13.8 v 50 a 250 w 86% 0RP2-50E1A1 vrp2-50e1a1 note : add ?g? suffix at the end of the model numbers listed above to indicate ?tray packaging?. part number explanation x r p2 ? 50 e 1a x 1 2 3 4 5 6 7 1---using ?0? means horizontal mount, and using ?v? means vertical mount 2---rohs 6, change ?r? to ?7? means rohs 5 3---series name (sip) 4---series code (output current 50a) 5---input range (5-13.8v) 6---output voltage (0.6-5.0v) 7---suffix, ?0? means model has a trim resistor equation ?1? means model has a trim voltage equation xrp2-50e1ax rohs com p liant rev.h
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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 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 0 ? c - 70 ? c storage temperature -55 ? c - 125 ? c input specifications parameter min typ max notes input voltage vo 2.8 v vo > 2.8 v 5 v 1.8*vo 12 v 12 v 13.8 v 13.8 v input current (full load) - - 38 a input reflected ripple current (pk-pk) - 35 ma - input reflected ripple current (rms) - 10 ma - with simulated source impedance of 1 uh, 5 hz to 20 mhz. use a 1000 uf/16 v electrolytic capacitor with esr=0.1 ohm max, at 100 khz at 25c. i 2 t inrush current transient - - 1 a 2 s turn-on voltage threshold 4.4 v 4.6 v 4.8 v under voltage threshold 4.0 v 4.3 v 4.6 v note : all specifications are typical at 25 ? c unless otherwise stated. output specifications parameter min typ max notes output voltage set point accuracy vo 1 v vo 1 v -1.5 % vo -10 mv - - +1.5 % vo +10 mv vin=vinmin, io=iomax load regulation vo 2.5 v vo 2.5 v - - - - 0.6% vo 12 mv line regulation vo 2.5 v vo 2.5 v - - - - 0.3% vo 9 mv regulation over temperature (0 ? c to +70 ? c) - - 0.02% vo/c output current 0 a - 50 a current limit threshold 105% io 130% io 180% io output ripple and noise (pk-pk) vo=5.0 v vo=3.3 v vo=2.5 v vo=1.5 v vo=1.0 v vo=0.6 v - - - - - - - - - - - - 110 mv 100 mv 100 mv 80 mv 60 mv 60 mv test conditions: 0-20mhz bw, with a 1f ceramic capacitor and a 10 uf tantalum cap at 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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. 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=1.5 v vo=1.0 v vo=0.6 v - - - - - - - - - - - - 35 mv 35 mv 35 mv 30 mv 25 mv 25 mv test conditions: 0-20mhz bw, with a 1f ceramic capacitor and a 10 uf tantalum cap at output. turn on time - - 10 ms rise time - - 3 ms overshoot at turn on and off - - 0.5% output capacitance esr 1 m ? 0 uf - 4700 uf transient response 50% ~ 100% max load - - 300 mv settling time - - 100 us 100% ~ 50% max load - - 300 mv settling time v o =all - - 100 us test conditions: di/dt = 10 a/us; vin =12 v; co=0 uf. note : all specifications are typical at nominal input, full load at 25c unless noted. 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=1.0 v vo=0.6 v - - - - - - - - 93% 91% 88% 86% 84% 82% 75% 68% - - - - - - - - switching frequency - 330 khz - output voltage trim range 0.6 v - 5 v trim pin is open, vo = 0.6 v. over voltage protection 110% vo,set 115%vo,set 130%vo,set vin=12 v, io=full load. mtbf 3,361,100 hours calculated per bell core sr- 332 (i o =40 a, vo=1.92 v; vin=12 v; t a = 25 ? c, 100lfm forced air flow.) dimensions (horizontal mount) inches (l w h) millimeters (l w h) 1.45 x 1.1 x 0.783 36.83 x 27.94 x 19.9 dimensions (vertical mount) inches (l w h) millimeters (l w h) 1.45 x 1.1 x 0.743 36.83 x 27.94 x 18.87 weight - 28.5 g - 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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. control specifications parameter min typ max notes remote on/off (active high) signal low (unit off) -0.3 v - 0.8 v signal high (unit on) 2 v - vin,max remote on/off pin is open, unit is off. current source/sink 0 ma - 3.3 ma pwgood (powergood) 2.4 v - 5.25 v pwgood = high = power good - - 2 ma 0 v - 0.4 v pwgood = low = power not good - - 4 ma output trim equation xrp2-50e1a0--- trim resistor equation xrp2-50e1a1--- trim voltage equation module vout trim+ trim? rtrim ) ( 6 . 0 2 . 1 ? ? ? k 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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. efficiency data efficiency curve vo=0.6 v 50.0% 55.0% 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 5 12.5 25 37.5 50 output current (a) efficienc y 5 v 12 v 13.8 v efficiency curve vo=1.2 v 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 5 12.5 25 37.5 50 output current (a) efficienc y 5 v 12 v 13.8 v efficiency curve vo=1.8 v 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 5 12.52537.550 output current (a) efficienc y 5 v 12 v 13.8 v efficiency curve vo=2.5 v 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 100.0% 5 12.5 25 37.5 50 output current (a) efficienc y 5 v 12 v 13.8 v efficiency curve vo=3.3 v 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 100.0% 5 12.5 25 37.5 50 output current (a) efficienc y 6 v 12 v 13.8 v efficiency curve vo=5.0 v 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 100.0% 5 12.5 25 37.5 50 output current (a) efficienc y 9 v 12 v 13.8 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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. thermal derating curves the thermal reference point tref is shown above. for reliable operation this temperature should not exceed 115 ? c. the output power of the module should not exceed the rated power for the module.
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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. thermal derating curves (continued) vin=12 v, vo=0.6 v vin=12 v, vo=1.2 v vin=12 v, vo=1.8 v vin=12 v, vo=2.5 v vin=12 v, vo=3.3 v vin=12 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 non-isolated dc/dc converters 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. ripple and noise waveforms 12 vdc input, 0.6 vdc/50 a output 12 vdc input, 1.2 vdc/50 a output 12 vdc input, 1.8 vdc/50 a output 12 vdc input, 2.5 vdc/50 a output 12 vdc input, 3.3 vdc/50 a output 12 vdc input, 5.0 vdc/50 a output note: ripple and noise at full load, 0-20 mhz bw, with a 10 uf and a 1uf ceramic 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 non-isolated dc/dc converters 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. transient response waveforms vout= 0.6 v 0%-50% load transient vout=0.6 v 50%-0% load transient vout=1.2 v 0%-50% load transient vout=1.2 v 50%-0% load transient vout=1.8 v 0%-50% load transient vout=1.8 v 50%-0% load transient
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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. transient response waveforms (continued) vout= 2.5 v 0%-50% load transient vout=2.5 v 50%-0% load transient vout=3.3 v 0%-50% load transient vout=3.3 v 50%-0% load transient vout=5 v 0%-50% load transient vout=5 v 50%-0% load transient note: transient response at di/dt = 10 a/us, with extemal electrolytic cap 4700 uf, 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 non-isolated dc/dc converters 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. mechanical outline 0rp2-50e1ax pin connections pin function pin function 1 vout 9 pwgood 2 vout 10 sense- 3 vout 11 sense+ 4 gnd 12 vin 5 gnd 13 vin 6 enable 14 gnd 7 trim- 15 gnd 8 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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. mechanical outline (continued) vrp2-50e1ax note: this module is recommended and compatible with pb-free wave soldering and must be soldered using a peak solder temperature of no more than 26 0 oc for less than 5 seconds. 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 (mm); tolerances: x.xx +/-0.0 2 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm). pin connections pin function 1 vout 2 vout 3 vout 4 gnd 5 gnd 6 enable 7 trim- 8 trim+ 9 pwgood 10 sense- 11 sense+ 12 vin 13 vin 14 gnd 15 gnd
? 2010 bel fuse inc. specifications subject to change without notice. 012110 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 5 vdc - 13.8 vdc input 0.6 vdc - 5.0 vdc/50 a output jan. 21, 2010 bel power inc., a subsid iary of bel fuse inc. revision history date revision changes detail approval 2010-1-21 h 1. change to bel new datasheet format; 2. add new part number ?xrp2-50e1a1? yf sun rohs compliance complies with the european directive 2002/95/ec , calling for the elimination of lead and other hazardous substances from electronic products.

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