BL8581A Overview
Description
The BL8581A is a CMOS based White/Blue LED driver with stand-alone capability. The driver is primarily designed for LED backlighting of LCD display powered by Li-ion battery With its high efficiency, low standby current and wide range of input supply voltage, the BL8581A is suitable for applications such as portable device display and keypad backlighting.
Key Features
- 2.7 to 5.5V input range
- Single-wire dimming control with linear 16- steps
- PWM dimming control
- LED sink current of max. 20mA
- Independent current sink circuit for each LED output