AS3661 Datasheet - austria microsystems

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 ;

AS3661_austriamicrosystems.pdf