ver 1.5 dec 20, 2007 tel: 886-3-5788833 http://www.gmt.com.tw 1 G5240 global mixed-mode technology inc. high-side power distribution switch features ? 120m high-side mosfet ? 4 versions of current limits with foldback ? operating range:2.7v to 5.5v ? 150 s typical rise time ? under voltage lockout ? 65 a quiescent supply current ? 1 a maximum standby supply current ? logic level enable pin, available with ac- tive-high or active-low version ? no reverse current when power off ? sot-23-5 package with 2 pin out options ? ul approved_#e232223 ? nemko iec 60950-1 cb/cca_scheme certifica- tion report #67291 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 G5240 is an integrated 120m power switch for self-powered and bus-powered universal serial bus (usb) applications. several protection features include current limiting with foldback, and thermal shutdown to prevent catas- trophic switch failure caused by increasing power dis- sipation when continuous heavy loads or short circuit occurs. and 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 powered off. its low quiescent supply current and small package (sot-23-5) is particularly suitable in battery-powered equipment, like pda, mobile phone. pin configuration typical application circuit r ul recognized component r ul recognized component G5240 v out v in c out 470 f c in 1 f in en gnd out en out sot-23-5 5 4 1 nc 2 3 gnd in G5240 a/b/c/d in out sot-23-5 5 4 1 en 2 3 gnd in G5240 e/f/g/h on off G5240 v out v in c out 470 f c in 1 f in en gnd out en out sot-23-5 5 4 1 nc 2 3 gnd in G5240 a/b/c/d in out sot-23-5 5 4 1 en 2 3 gnd in G5240 e/f/g/h on off on off
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