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 / 1.0 ? 1.5v output / 10a ? compact surface mount package ? excellent thermal performance ? high efficiency means less power dissipation ? remote on/off ? low cost description the s/v7ah-10j series are non-isolated step down dc/ dc converters that operate from a nominal 2.5v source. these converters are available in a range of output voltages from 1.0v to 2.5v. they are offered in a compact ovemolded package rated at 10a. optional lead-form ing provides a vertical mount product for minimal footprint or a surface mount option fo r very low profile. standard features include remote on/off, over current protection and output voltage adjust. these products ma ybe used almost anywhere low-voltage silicon is being employed and a 2.5v source is available. typical applicat ions include file servers, ro uters, line cards, and other computing and communications equipment. 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 85% S7AH-10J150 v7ah-10j150 1.2v 2.5v 10a 12w 83% S7AH-10J120 v7ah-10j120 1.0v 2.5v 10a 10w 81% S7AH-10J100 v7ah-10j100 input specifications parameter min typ max notes input voltage range 2.25 vdc 2.75 vdc input current (no load) 30ma input current (full load) 8.0a (worst case) reflected ripple current (pk-pk) 200ma pk-pk 60ma rms with a simulated source impedance of 500nh, 5hz to 20 mhz output specifications parameter min typ max notes voltage adjustability 90% 110% output current 0a 10a setpoint accuracy -2.0% +2.0% total regulation 1.5v 1.2v 1.0v 60mv 48mv 40mv includes line, load and temperature. ripple and noise 100mv pk-pk 25mv rms 0 to 20mhz bandwidth use 0.1uf ceramic on output S7AH-10J / v7ah-10j series preliminary
? 2003 bel fuse inc. specifications subject to change without notice. 032403 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 / 1.0 ? 1.5v output / 10a output specifications (continued) parameter min typ max notes transient response max deviation recovery to within 1% 160mv 60us di/dt = 0.5a/us, vin =3.3vdc ta = 25 c, 50-100% load change with 220uf tantalum external capacitance. general specifications parameter specification switching frequency 300khz typical (fixed) dimensions inches mm 0.7 x 0.65 x 0.32 17.78 x 16.51 x 8.13 weight 5 g operating temperature -40 c to 85 c (see derating curve) non-operating temperature -40 c to 125 c protection features short circuit over current continuous 130% to 250% max io remote on/off active high pin connections pin function 1 on/off 2 vin 3 ground 4 vout 5 trim 6 (s7ah only) nc 7 (s7ah only) nc S7AH-10Jxxx v7ah-10jxxx bel bel bel bel
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