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 9.0 vdc - 18 vdc input 5 vdc - 12 vdc/1a output ? non-isolated ? low profile package ? high efficiency ? remote on/off ? fixed frequency (450khz) ? ul60950-1 recognized (ul/cul) ? active low/high description the bel xrah-01kxxx is a part of the low cost non-isolated dc/dc converter power module series. the modules use a smd or sip package for ease of layout and space savings. the output is closely regulated and the efficiency of 9 vdc output module is typically 86% at full load. part selection output voltage input voltage max. output current max. output power typical efficiency part number surface mount part number vertical mount 5 v 9 v - 18 v 1 a 5 w 81% srah-01k50x vrah-01k50x 9 v 9 v - 18 v 1 a 9 w 86% srah-01k90x vrah-01k90x 12 v 9 v - 18 v 1 a 12 w 87% srah-01kx2x vrah-01kx2x notes: 1. add ?0? suffix at the end of the model number to indicate ?tube packaging?, and ?r? for ?reel packaging?, and ?g? for ?tray packaging?. 2. use "0" to replace "x" in the above part number to indicate active high, and "l" to indicate active low. 3. 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 - 24 v remote on/off -0.3 v - 24 v ambient temperature -40 c - 85 c storage temperature -40 c - 125 c input specifications parameter min typ max notes input voltage 9 v - 18 v remote off input current - 18 ma 25 ma input current (no load) - 30 ma 45 ma input current (full load) vo=5 v vo=9 v vo=12 v - - - - - - 0.8 a 1.3 a 1.8 a input reflected ripple current (pk-pk) vo=5 v vo=9 v vo=12 v - - - 55 ma 75 ma 95 ma 80 ma 110 ma 130 ma input reflected ripple current (rms) vo=5 v vo=9 v vo=12 v - - - 15 ma 20 ma 30 ma 25 ma 30 ma 40 ma with simulated source impedance of 500 nh, 5 hz to 20 mhz; use one 100 uf/25 v tantalum capacitor at the input. i 2 t inrush current transient - 0.003 a 2 s 0.01 a 2 s turn-on voltage threshold 8.0 v 8.5 v 8.8 v turn-off voltage threshold 7.2 v 7.6 v 8.2 v note: all specifications are typical at 25 c unless otherwise stated. xrah-01k series 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 9.0 vdc - 18 vdc input 5 vdc - 12 vdc/1a output output specifications parameter min typ max notes output voltage set point vo=5 v vo=9 v vo=12 v 4.90 v 8.82 v 11.76 v 5 v 9 v 12 v 5.10 v 9.18 v 12.24 v test condition: vin=12 v, lout=full load line regulation vo=5 v vo=9 v vo=12 v - - - 8 mv 15 mv 20 mv 15 mv 25 mv 35 mv load regulation vo=5 v vo=9 v vo=12 v - - - 15 mv 25 mv 35 mv 25 mv 45 mv 60 mv regulation over temperature (-40 c to +85 c) vo=5 v vo=9 v vo=12 v - - - 50 mv 70 mv 90 mv 80 mv 100 mv 140 mv output current 0.005 a - 1 a output dc current limit 1.1 a - 1.8 a ripple and noise (rms) vo=5 v vo=9 v vo=12 v - - - 3 mv 3 mv 4 mv 5 mv 5 mv 6 mv ripple and noise (pk-pk) vo=5 v vo=9 v vo=12 v - - - 10 mv 15 mv 20 mv 15 mv 20 mv 30 mv test conditions: bw = 0-20 mhz; with filter (co1=10 uf, l=0.47 uh, co2=10 uf) at the output ripple and noise (rms) vo=5 v vo=9 v vo=12 v - - - 15 mv 25 mv 35 mv 25 mv 35 mv 50 mv ripple and noise (pk-pk) vo=5 v vo=9 v vo=12 v - - - 40 mv 70 mv 110 mv 70 mv 100mv 160mv test conditions: bw = 0-20 mhz; with two 10 uf ceramic capacitors at the output. turn on time vo=5 v vo=9 v vo=12 v - - - 20 ms 30 ms 30 ms 30 ms 45 ms 45 ms overshoot at turn on - 0% 5% output capacitance 0 uf - 47 uf transient response overshoot - 200mv 300mv 50% ~ 75% max load settling time - 100us 150us overshoot - 200mv 300mv 75% ~ 50% max load settling time 5.0 v - 100us 150us overshoot - 300mv 400mv 50% ~ 75% max load settling time - 150us 200us overshoot - 300mv 400mv 75% ~ 50% max load settling time 9.0 v - 150us 200us overshoot - 350mv 500mv 50% ~ 75% max load settling time - 150us 200us overshoot - 350mv 500mv 75% ~ 50% max load settling time 12.0 v - 150us 200us di/dt = 0.5 a/us; vin = 12 v; and with two 10 uf ceramic capacitors 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 non-isolated dc/dc converters 9.0 vdc - 18 vdc input 5 vdc - 12 vdc/1a output general specifications parameter min typ max notes efficiency vo=5 v vo=9 v vo=12 v 77% 82% 83% 81% 86% 87% - - - measured at vin=12 v, full load switching frequency 400 khz 450 khz 480 khz mtbf 14,760,000 hours calculated per bell core tr-332 (i o = nominal; t a = 25 c) dimensions (surface mount) inches (l w h) millimeters (l w h) 0.78 x 0.7 x 0.32 19.81 x 17.78 x 8.13 dimensions (vertical) inches (l w h) millimeters (l w h) 0.7 x 0.308 x 0.65 17.78 x 7.82 x 16.51 weight - 5 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 - 0.4 v signal high (unit off) 2.5 v - vin xrah-01kxxl, remote on/off pin open, unit off. signal low (unit off) -0.3 v - 0.4 v signal high (unit on) 2.5 v - vin xrah-01kxx0, remote on/off pin open, unit on. 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 9.0 vdc - 18 vdc input 5 vdc - 12 vdc/1a output efficiency data 0.0% 20.0% 40.0% 60.0% 80.0% 100.0% 0.100 0.250 0.500 0.750 1.000 output current (a) efficienc y 9v 12v 18v x7ah-01k500 0.0% 10.0% 20.0% 30.0% 40.0% 50.0% 60.0% 70.0% 80.0% 90.0% 100.0% 0.100 0.250 0.500 0.750 1.000 9v 12v 18v x7ah-01k900 0.0% 10.0% 20.0% 30.0% 40.0% 50.0% 60.0% 70.0% 80.0% 90.0% 100.0% 0.100 0.250 0.500 0.750 1.000 9v 12v 18v x7ah-01kx20
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 9.0 vdc - 18 vdc input 5 vdc - 12 vdc/1a output thermal derating curves vin=12 v, vo=5 v vin=12 v, vo=9 v vin=12 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 non-isolated dc/dc converters 9.0 vdc - 18 vdc input 5 vdc - 12 vdc/1a output ripple and noise waveforms 12 vdc input, 5 vdc output 12 vdc input, 9 vdc output 12 vdc input, 12 vdc output note : ripple and noise at no load, with two 10 uf ceramic capacitors 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 9.0 vdc - 18 vdc input 5 vdc - 12 vdc/1a output transient response waveforms 50% to 75% load transient at 5 vdc output 75% to 50% load transient at 5 vdc output 50% to 75% load transient at 9 vdc output 75% to 50% load transient at 9 vdc output 50% to 75% load transient at 12 vdc output 75% to 50% load transient at 12 vdc output note: transient response at 12 vdc input, di/dt=0.5 a/us, with two 10 uf ceramic capacitors at the output, and ta=25 deg c.
? 2007 bel fuse inc. specifications subject to change without notice. 010907 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 9.0 vdc - 18 vdc input 5 vdc - 12 vdc/1a output mechanical outline srah-01kxxx vrah-01kxxx rohs compliance complies with the european directive 2002/95/ec , calling for the elimin ation of lead and other hazardous substances from electronic products. these parts are not however compatible with the higher temperatures associated with lead free solder processes and must be soldered using a reflow profile with a peak temperature of no more than 240 c . bel pin connections pin function 1 on/off 2 vin 3 ground 4 vout 5 n/a 6 n/a 7 n/a pin connections pin function 1 on/off 2 vin 3 ground 4 vout 5 n/a bel bel
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