Datasheet Summary
PWM or Singl-Wire Dimming, 4-Channels WLED Linear Driver
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. It can realize PWM or single-wire dimming control through EN pin.
BL8581A has four LED channels with MSOP8 or QFN 3X3 -16 package.
Features
- 2.7 to 5.5V input range
- Single-wire dimming control with linear
16- steps
- PWM dimming control
- LED sink current...