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 4.5v-13.2v input 0. 9v-5.0v/3a output ? non-isolated ? low cost ? high efficiency ? remote on/off ? high power density ? under-voltage lockout (uvlo) * ? excellent thermal performance ? ocp/scp * not applicable for 5.0v output module. description the bel x7ah-03exx0 series are part of the low cost non-isolated dc/dc power converters. the modules use a surface mount package or vertical package for ease of layout and space savings, with a low profile of only 7.82mm. the output is closely regulated and the efficiency of 5v output module is typically 95% at full load. typical features include remote on/off, under-voltage lockout, over-current pr otection 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 5.0v 8.0 ? 13.2v 3a 15w 95% s7ah-03e500 v7ah-03e500 3.3v 4.5 ? 13.2v 3a 9.9w 93% s7ah-03e330 v7ah-03e330 2.5v 4.5 ? 13.2v 3a 7.5w 91% s7ah-03e250 v7ah-03e250 1.8v 4.5 ? 13.2v 3a 5.4w 88% s7ah-03e180 v7ah-03e180 1.5v 4.5 ? 13.2v 3a 4.5w 87% S7AH-03E150 v7ah-03e150 1.2v 4.5 ? 13.2v 3a 3.6w 85% s7ah-03e120 v7ah-03e120 1.0v 4.5 ? 13.2v 3a 3w 84% s7ah-03e100 v7ah-03e100 0.9v 4.5 ? 13.2v 3a 2.7w 82% s7ah-03e090 v7ah-03e090 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 - 14v output enable terminal voltage -0.3v - 13.2v ambient temperature 0 c - 70 c storage temperature -40 c - 100 c input specifications parameter min typ max notes input voltage 4.5v - 13.2v min. input voltage for 5.0v output module should be 8.0v input current (no load) - 30ma - input current (full load) - - 3a remote off input current - 4ma - input reflected ripple current (pk-pk) - 75ma 150ma input reflected ripple current (rms) - 30ma 60ma with simulated source impedance of 500nh, 5hz to 20mhz; use one 270uf/16v oscon capacitor with esr = 0.018 ohm max. at 100khz at 25 c i 2 t inrush current transient - 0.02a 2 s 0.08a 2 s turn-on voltage threshold - 4.1v 4.5v turn-off voltage threshold - 3.3v 4.0v not applicable for 5.0v output. x7ah-03exx0 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 4.5v-13.2v input 0. 9v-5.0v/3a output output specifications parameter min typ max notes output voltage set point v o =5.0v v o =3.3v v o =2.5v v o =1.8v v o =1.5v v o =1.2v v o =1.0v v o =0.9v 4.900v 3.234v 2.450v 1.764v 1.470v 1.176v 0.980v 0.882v 5.0v 3.3v 2.5v 1.8v 1.5v 1.2v 1.0v 0.9v 5.100v 3.366v 2.550v 1.836v 1.530v 1.224v 1.020v 0.918v test condition: vin=8v, lout=full load line regulation v o =5.0v v o =3.3v v o =2.5v v o =1.8v v o =1.5v v o =1.2v v o =1.0v v o =0.9v - - - - - - - - 10mv 8mv 6mv 6mv 5mv 5mv 5mv 5mv 15mv 10mv 10mv 10mv 8mv 8mv 8mv 8mv load regulation v o =5.0v v o =3.3v v o =2.5v v o =1.8v v o =1.5v v o =1.2v v o =1.0v v o =0.9v - - - - - - - - 15mv 10mv 8mv 8mv 5mv 5mv 5mv 5mv 25mv 20mv 15mv 15mv 10mv 10mv 10mv 10mv regulation over temperature (0 c to 70 c) - 20mv 40mv output current 0a - 3a current limit threshold 3.3a - 8a short circuit surge transient - 0.02a 2 s 0.08a 2 s ripple and noise (rms) - 15mv 40mv bw = 0-20mhz. ripple and noise (pk-pk) 50mv 100mv bw = 0-20mhz. turn on time - - 60ms overshoot at turn on - 0% 3% output capacitance 0uf - 1200uf transient response overshoot - 150mv 200mv 50% ~ 100% max load settling time - 60us 120us overshoot - 150mv 200mv 100% ~ 50% max load settling time v o =5v - 60us 120us overshoot - 110mv 150mv 50% ~ 100% max load settling time - 60us 120us overshoot - 110mv 150mv 100% ~ 50% max load settling time v o =3.3v - 60us 120us overshoot - 110mv 150mv 50% ~ 100% max load settling time - 60us 100us overshoot - 110mv 150mv 100% ~ 50% max load settling time v o =2.5v - 60us 100us di/dt = 0.5a/us; vin = 8v; ta = 25 c and with a 220uf tan. capacitor on 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 4.5v-13.2v input 0. 9v-5.0v/3a output output specifications (continued) parameter min typ max notes transient response overshoot - 110mv 150mv 50% ~ 100% max load settling time - 60us 100us overshoot - 110mv 150mv 100% ~ 50% max load settling time v o =1.8v - 60us 100us overshoot - 110mv 150mv 50% ~ 100% max load settling time - 60us 120us overshoot - 110mv 150mv 100% ~ 50% max load settling time v o =1.5v - 60us 120us overshoot - 110mv 150mv 50% ~ 100% max load settling time - 60us 100us overshoot - 110mv 150mv 100% ~ 50% max load settling time v o =1.2v - 60us 100us overshoot - 110mv 150mv 50% ~ 100% max load settling time - 60us 100us overshoot - 110mv 150mv 100% ~ 50% max load settling time v o =1.0v - 60us 100us overshoot - 110mv 150mv 50% ~ 100% max load settling time - 60us 100us overshoot - 110mv 150mv 100% ~ 50% max load settling time v o =0.9v - 60us 100us di/dt = 0.5a/us; vin = 8v; ta = 25 c and with a 220uf electrolytic capacitor on output note: all specifications are typical at 8v input, full load at 25 c unless otherwise stated. general specifications parameter min typ max notes efficiency v o =5.0v v o =3.3v v o =2.5v v o =1.8v v o =1.5v v o =1.2v v o =1.0v v o =0.9v 91% 89% 87% 84% 83% 81% 80% 78% 95% 93% 91% 88% 87% 85% 84% 82% - - - - - - - - measured at vin=8v, full load switching frequency 200khz 300khz 400khz output trim range 90% v o - 110% v o for all outputs 1 protection features mtbf 8,278,709 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 19.812 x 17.78 x 8.128 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 - 5.1g - notes : all specifications are typical at 25 c unless otherwise stated. 1. min. of 0.9v output should be 100%vo.
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 4.5v-13.2v input 0. 9v-5.0v/3a output control specifications parameter min typ max notes remote on/off signal low (unit on) -0.3v - 1v signal high (unit off) 2.8v - 13.2v remote on/off pi n open, unit 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 5.0 61.940 29.400 11.760 14.700 3.3 53.840 61.700 17.200 40.200 2.5 9.596 15.620 4.496 10.000 1.8 3.850 13.830 3.064 10.000 1.5 3.120 14.420 3.536 10.000 1.2 1.790 10.910 3.536 6.490 1.0 0.511 3.490 1.992 1.000 0.9 x x 0.960 0.100 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 4.5v-13.2v input 0. 9v-5.0v/3a output efficiency data 5v module 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 100.0% 0.3 0.8 1.5 2.3 3.0 output current efficiency 8v 13.2 v 3.3v module 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 100.0% 0.3 0.8 1.5 2.3 3.0 output current efficiency 4.5v 8v 13.2v 2.5v module 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 100.0% 0.3 0.8 1.5 2.3 3.0 output current efficiency 4.5v 8v 13.2v 1.8v module 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 100.0% 0.3 0.8 1.5 2.3 3.0 output current efficiency 4.5v 8v 13.2v 1.5v module 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 0.3 0.8 1.5 2.3 3.0 output current efficiency 4.5v 8v 13.2v 1.2v module 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 0.30.81.52.33.0 output current efficiency 4.5v 8v 13.2v
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 4.5v-13.2v input 0. 9v-5.0v/3a output efficiency data (continued) 1.0v module 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 95.0% 0.3 0.8 1.5 2.3 3.0 output current efficiency 4.5v 8v 13.2 v 0.9v module 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 90.0% 0.3 0.8 1.5 2.3 3.0 output current efficiency 4.5v 8v 13.2 v thermal derating curve for all outputs.
? 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 4.5-13.2v input 0.9v-5.0v/3a output s7ah-03e v7ah-03e 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
|
