ver: 0.5 mar 27, 2013 tel: 886-3-5788833 http://www.gmt.com.tw 1 G5250S global mixed-mode technology power distribution switch features ? 70m high-side mosfet ? operating range:2.7v to 5.5v ? 1ms typical rise time ? fast overcurrent response 1.5s (typ.) ? under voltage lockout ? 130 a quiescent supply current ? 1 a maximum shutdown supply current ? no reverse current when power off ? deglitched open-drain over-current flag output ( oc ) ? output reverse-voltage protection ? sot-23-5 packages applications ? high-side power protection switch ? usb power management ? usb host and self-powered bubs ? usb bus-powered hubs ? hot plug-in power supplies ? battery-charger circuits general description the G5250S is an integrated power switch for self-powered and bus-powered universal serial bus (usb) applications. several protection features include current limiting and thermal shutdown to prevent catastrophic switch fail- ure caused by increasing power dissipation when con- tinuous heavy loads or short circuit occurs. a built-in charge pump is used to drive the n-channel mosfet that is free of parasitic body diode to eliminate any reversed current flow across the switch when it is pow- ered off. when the output voltage is higher than input voltage, the power switch is turned off by internal out- put reverse-voltage comparator. oc is open-drain output report over-current or over-temperature event and has typical 9ms deglitch timeout period. in addition, oc also reports output reverse-voltage condition with typical 5ms deglitch timeout period. ordering information order number marking enable current limit output mos r ds(on) temp. range package (green) G5250S1t11u 50s1x active high 1a 70m -40 o c to +85 o c sot-23-5 note:t1: sot-23-5 1: bonding code u: tape & reel pin configuration typical application circuit oc en sot-23-5 5 4 1 out 2 3 gnd in G5250S v out c out 22 f on c in 1 f v in 100k off en in gnd out oc flag 5 4 2 1 3 oc en sot-23-5 5 4 1 out 2 3 gnd in G5250S v out c out 22 f on c in 1 f v in 100k off en in gnd out oc flag 5 4 2 1 3
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