AS3668 Datasheet - austria microsystems

AS3668 4 Channel Breathlight Controller

The AS3668 is a 4-channel LED driver designed to produce lighting effects for portable devices. A highly efficient charge pump enables LED driving over full Li-Ion battery voltage range. The device is equipped with an internal program memory, which allows control of LED patterns even without process.

AS3668 Features

* High efficiency capacitive 60mA charge pump with 1:1 and 1:2 mode Automatic mode switching for charge pump Automatic Pattern Mode without digital control Highly accurate 4 Channel High Side 25.5mA current sources Audio Controlled Lighting with internal digital filters Charge Pump with soft start and

AS3668_austriamicrosystems.pdf