Dual Power Distribution Switch CXAS42280 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

   产品概述 返回TOPbyA嘉泰姆

The CXAS42280 is an integrated dual channel 100mΩ 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 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. OC is open-drain output report over-current or over-temperature event and has typical 9ms deglitch timeout period.

   产品特点 返回TOPbyA嘉泰姆

„ 100mΩ High-Side MOSFET byA嘉泰姆

„ Operating Range:2.7V to 5.5V byA嘉泰姆

„ 400μS Typical Rise Time byA嘉泰姆

„ Under voltage Lockout byA嘉泰姆

„ 65μA Quiescent Supply Current byA嘉泰姆

„ 1μA Maximum Shutdown Supply Current byA嘉泰姆

„ Logic Level Enable Pin, Available with Active-High or Active-Low Version byA嘉泰姆

„ No Reverse Current when Power Off byA嘉泰姆

„ Deglitched Open-Drain Over-Current Flag Output ( OC ) byA嘉泰姆

„ SOP-8 Package byA嘉泰姆

„ UL Approved_#E232223byA嘉泰姆

   应用范围 返回TOPbyA嘉泰姆

„ High-Side Power Protection Switch byA嘉泰姆

„ USB Power Management byA嘉泰姆

„ USB Host and Self-Powered Bubs byA嘉泰姆

„ USB Bus-Powered Hubs byA嘉泰姆

„ Hot Plug-In Power Supplies byA嘉泰姆

„ Battery-Charger CircuitsbyA嘉泰姆

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byA嘉泰姆