G5243A

Global Mixed-mode Technology Inc. G5243A High-Side Power Distribution Switch Features „ 120mΩ High-Side MOSFET „ 2A of Current Limits with Foldback „ Operating Range:2.7V to 5.5V „ 1.9ms Typical VOUT Turn-On Rise Time „ Under voltage Lockout „ 65µA Quiescent Supply Current „ 1µA Maximum Standby Supply Current „ Active-High Enable Pin „ No Reverse Current when Power Off „ Shutdown Discharge Function at OUT Pin „ SOT-23-5 Package „ 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 G5243A is an integrated 120mΩ 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 catastrophic switch failure caused by increasing power dissipation when continuous heavy loads or short circuit occ...