AW99703 Overview
Description
±1% current matching across voltage, AW99703 is a highly accurate, highly matching temperature, and process three-string LCD backlighting power solution. It is a - ±3% current accuracy across voltage, temperature, and process - High efficiency, up to 91% - Up to 29.6mA/string in backlight mode and up to 79.9mA/string in flash mode - I2C/PWM dual dimming control mode - 11-bit I2C exponential or linear mapping with programmable transition ramp time - Programmable current sink turn on/off ramp time - Selectable boost converter switching frequency 1MHz or 500kHz with shift up and down option l highly integrated step-up DC-DC converter operating with a wide input voltage from 2.7V to 5.5V and a temperature range from -40°C to 85°C, accommodating 1-cell lithium ion battery or 5V ia supply.
