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 2.5v input 0.9v-1.65v/10a output ? non-isolated ? remote on/off ? low profile package (7.82mm) ? short circuit protection ? fixed frequency (300khz) ? over current protection ? under-voltage lockout (uvlo) ? trim function description the bel X7AH-10Jxx0 is part of the low cost non-isol ated dc/dc power converter 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 1.5v output is typically 88% at full load. typical f eatures include remote on/off, input under voltage lockout, over current protection and short circuit protection. part selection output voltage input voltage max. output current max. output power typical efficiency part number surface mount part number vertical mount 1.5v 2.5v 10a 15w 88% s7ah-10j150 v7ah-10j150 1.2v 2.5v 10a 12w 83% s7ah-10j120 v7ah-10j120 1.0v 2.5v 10a 10w 80% s7ah-10j100 v7ah-10j100 note: add ?0? suffix at the end of the model number to indicate ?tube packaging?, and ?r? for ?reel packaging?, and ?g? for ?tray packaging?. absolute maximum ratings parameter min typ max notes input voltage (continuous) -0.3v - 6v output enable terminal voltage -0.3v - 7v ambient temperature -40 c - 85 c storage temperature -40 c - 105 c input specifications parameter min typ max notes input voltage 2.25v 2.5v 2.75v input current (no load) - 75ma - input current (full load) vo=1.5v vo=1.2v vo=1.0v - - - 6.8a 5.6a 4.9a - - - remote off input current - 4ma 8ma input reflected ripple current (pk-pk) - 80ma 150ma input reflected ripple current (rms) - 25ma 50ma tested with simulated source impedance of 500nh, 5hz to 20mhz; with a 270uf/16v with esr=0.018 ohm max, at 100khz at 25 c i 2 t inrush current transient - 0.04a 2 s 0.10a 2 s turn on voltage threshold 2v 2.1v 2.15v turn off voltage threshold 1.8v 2v 2.15v X7AH-10J series
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 2.5v input 0.9v-1.65v/10a output output specifications parameter min typ max notes output voltage set point vo=1.5v vo=1.2v vo=1.0v 1.470v 1.176v 0.980v 1.5v 1.2v 1.0v 1.530v 1.224v 1.020v test conditions: vin=2.5v, io=full load line regulation vo=1.5v vo=1.2v vo=1.0v - - - 2mv 2mv 2mv 5mv 5mv 5mv load regulation vo=1.5v vo=1.2v vo=1.0v - - - 5mv 5mv 5mv 10mv 10mv 10mv regulation over temperature (-40 c to +85 c) vo=1.5v vo=1.2v vo=1.0v - - - 13mv 10mv 9mv 25mv 20mv 20mv output current 0a - 10a current limit threshold 13a - 25a short circuit surge transient vo=1.5v vo=1.2v vo=1.0v - - - 0.5a 2 s 0.5a 2 s 0.5a 2 s 1.5a 2 s 1.5a 2 s 1.5a 2 s ripple and noise (rms) - 15mv 25mv ripple and noise (pk-pk) - 50mv 100mv test conditions: 0-20mhz bw, with a 1uf ceramic capacitor at the output. turn on time - 1ms 2ms overshoot at turn on - 0% 3% output capacitance 220uf - 4000uf transient response overshoot - 90mv 125mv 50% ~ 100% max load settling time - 30us 60us overshoot - 90mv 125mv 100% ~ 50% max load settling time v o =1.5v - 30us 60us overshoot - 80mv 120mv 50% ~ 100% max load settling time - 30us 60us overshoot - 80mv 120mv 100% ~ 50% max load settling time v o =1.2v - 30us 60us overshoot - 80mv 120mv 50% ~ 100% max load settling time - 30us 60us overshoot - 80mv 120mv 100% ~ 50% max load settling time v o =1.0v - 30us 60us test conditions: di/dt = 0.5a/us; vin = 2.5v; with a 220uf 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 non-isolated dc/dc converters 2.5v input 0.9v-1.65v/10a output general specifications parameter min typ max notes efficiency v o =1.5v v o =1.2v v o =1.0v 85% 83% 79% 88% 86% 82% - - - measured at vin=2.5v, full load and ta=25 c. switching frequency 250khz 300khz 350khz output trim range 90%vo - 110%vo mtbf 4,447,157 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 0.70 x 0.32 19.81 x 17.78 x 8.13 dimensions (vertical) inches (l w h) millimeters ( l w h ) 0.70 x 0.308 x 0.65 17.78 x 7.82 x 16.51 weight - 4.7g - control specifications parameter min typ max notes remote on/off signal low (unit off) 0v - 0.5v signal high (unit on) 2v - 5.5v remote on/off pin open, the module is on. 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 1.5v 49.788 287.900 43.330 226.000 1.2v 31.241 223.900 43.330 162.000 1.0v 11.029 92.800 25.550 56.200 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 2.5v input 0.9v-1.65v/10a output efficiency data 70.0% 72.0% 74.0% 76.0% 78.0% 80.0% 82.0% 84.0% 86.0% 88.0% 90.0% 92.0% 94.0% 12345678910 output current efficienc y vin=2.25v vin=2.50v vin=2.75v 70.0% 72.0% 74.0% 76.0% 78.0% 80.0% 82.0% 84.0% 86.0% 88.0% 90.0% 92.0% 12345678910 output current efficienc y vin=2.25v vin=2.50v vin=2.75v X7AH-10J150 X7AH-10J120 70.0% 72.0% 74.0% 76.0% 78.0% 80.0% 82.0% 84.0% 86.0% 88.0% 90.0% 12345678910 output current efficienc y vin=2.25v vin=2.50v vin=2.75v X7AH-10J100 thermal derating curve note: deratin g curve is for 1.2v out p ut and tested at nominal in p ut volta g e.
? 2004 bel fuse inc. specifications subject to change without notice. 120204 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 2.5v input 0.9v-1.65v/10a output pin connections pin function 1 remote on/off (option) 2 vin 3 ground 4 vout 5 trim (option) 6 n/a 7 n/a pin connections pin function 1 remote on/off (option) 2 vin 3 ground 4 vout 5 trim (option) bel bel bel
|
