AS3661 Datasheet (austria microsystems) - Programmable 9-channel LED Driver

AS3661, Programmable 9-channel LED Driver

The AS3661 is a 9-channel LED driver designed to produce lighting effects for mobile devices.

A highefficiency charge pump enables LED driving over full LiIon battery voltage range.

The device is equipped with an internal program memory, which allows operation without processor control.

The AS3661 m

AS3661 Features

* Adaptive charge pump with 1x and 1.5x gain provides up to 95% LED drive efficiency Built-in LED test Figure 1. AS3661 LED Driver Block Diagram ca ni !"#$ %!$ ""! !" & ' " ch ' ' 4 ' 5 ' 2 ' 6 ' ' ;5 ;