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RT9721A

RichTek
Part Number RT9721A
Manufacturer RichTek
Description 500mA High-Side Power Switches
Published Mar 31, 2015
Detailed Description ® RT9721A/B 80mΩ, 500mA High-Side Power Switches with Flag General Description The RT9721A/B are low voltage, single N...
Datasheet PDF File RT9721A PDF File

RT9721A
RT9721A

Overview
® RT9721A/B 80mΩ, 500mA High-Side Power Switches with Flag General Description The RT9721A/B are low voltage, single N-MOSFET highside power switches, optimized for self-powered and buspowered Universal Serial Bus (USB) applications.
The RT9721A/B series provides a charge pump circuitry to drive the internal MOSFET switch; the switch's low RDS(ON), 80mΩ, meets USB voltage drop requirements; and a flag output is available to indicate fault conditions to the local USB controller.
Additional features include soft-start to limit inrush current during plug-in, thermal shutdown to prevent catastrophic switch failure from high-current loads, under-voltage lockout (UVLO) to ensure that the device ...


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