AS3648 Datasheet - austriamicrosystems

AS3648 2000mA High Current LED Flash Driver

The AS3648 is an inductive high efficient DCDC step up converter with two current sinks. The DCDC step up converter operates at a fixed frequency of 4MHz and includes soft startup to allow easy integration into noise sensitive RF systems. The two current sinks can operate in flash / torch / assist (.

AS3648 Features

* High efficiency 4MHz fixed frequency DCDC Boost converter with soft start allows small coils - Stable even in coil current limit

* LED current adjustable up to 2000mA

* Two LED operation or single LED operation (com- bine LED_OUT1 with LED_OUT2)

* Automatic current adjustment for l

AS3648-austriamicrosystems.pdf