RichTek Technology Corporation PMIC - PMIC - Power Distribution Switches, Load Drivers - RT9703GS RT9703GS

The RT9703GS is a low voltage, high performance single N-MOSFET power switch designed for power rail on/off control. It features a low on-resistance of approximately 80mOc and supports a continuous load current of up to 3A. The device includes a charge pump to drive the internal MOSFET and offers a fault flag output to indicate fault conditions. It has adjustable current limiting capabilities up to 3.5A, with a precision resistor used for setting the current limit. Additional protective features include thermal shutdown to prevent damage from high-current loads, under-voltage lockout (UVLO) to ensure operation only with valid input voltage, and a soft-start function to limit inrush current during plug-in. The RT9703GS operates within a wide input voltage range of 2V to 5.5V and has a low quiescent current of 30OºA, making it suitable for battery-powered applications. It is packaged in a compact SOP-8 format, minimizing board space requirements. The product is RoHS compliant and suitable for both Pb-free and SnPb soldering processes.