AW3641E Overview
Description
Flash LED Current up to 1A Among Full Power Supply Range - 8 Flash LED Current Levels Selectable by 1-wire Interface: 100%*IFLASH, 90%*IFLASH……30%*IFLASH - 2 Flash Timeout Levels Selectable by 1-wire Interface: 220ms, 1.3s - Ultra low RDSON: 0.4Ω(1X Mode), 2Ω(2X Mode) - PWM Dimming Control in Torch Mode - Automatic 1X/2X Mode Switchover - Up to 92% Efficiency in Torch Mode - Low 47mV Reference for Low Loss Sensing - Built-In Soft Start Limits Inrush Current - Over-Temperature Protection - Over-Voltage and Short-Circuit Protection - Low Ripple and EMI The AW3641E is a current-regulated charge pump ideal for powering high brightness LEDs for l camera flash applications. The charge pump can be set to regulate two current levels for FLASH a and TORCH modes.
