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AS3642 Datasheet - austriamicrosystems

AS3642-austriamicrosystems.pdf

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Datasheet Details

Part number:

AS3642

Manufacturer:

austriamicrosystems

File Size:

1.55 MB

Description:

Ultra small 500ma inductive white led flash driver.

AS3642, Ultra Small 500mA Inductive White LED Flash Driver

The AS3642 is an inductive high efficient DCDC step up converter driving a current source.

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 current source operates in flash/torch/assist (video/au

AS3642 Features

* Total flash driver solution only 11mm2

* High efficiency 4MHz fixed frequency DCDC Boost converter with soft start allows small coils

* LED currents Up to 500mA flash current (15.6mA steps) Up to 320mA torch current (10mA steps) 1.35mA,2.9mA,4.4mA or 6mA indicator light current (PWM wi

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