AS3643

1300mA High Current LED Flash Driver

austriamicrosystems

AS3643 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 1300mA

* Automatic current adjustment for low battery voltage

* PWM operation for lower output current for reliable light

AS3643 General Description

The AS3643 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 (.

AS3643 Datasheet (3.47 MB)

AS3643 Datasheet Preview — Preview of AS3643 PDF

Datasheet Details

Part number:

AS3643

Manufacturer:

austriamicrosystems

File Size:

3.47 MB

Description:

1300ma high current led flash driver.

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AS3643 1300mA High Current LED Flash Driver austriamicrosystems

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AS3643 Features

AS3643 General Description

Datasheet Details

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