AS3644 Ultra Small Low Cost 320mA Inductive

austriamicrosystems

Description

valid Datasheet AS3644 Ultra Small Low Cost 320mA Inductive White LED Flash Driver 1 General .
The AS3644 is an inductive high efficient DCDC step up converter driving a current source.

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Datasheet Specifications

Part number: AS3644
Manufacturer: austriamicrosystems
File Size: 1.45 MB
Datasheet: AS3644-austriamicrosystems.pdf
Description: Ultra Small Low Cost 320mA Inductive

Features

* Total flash driver solution only 11mm2
* High efficiency 4MHz fixed frequency DCDC Boost converter with soft start allows small coils
* LED currents 260mA to 320mA flash current (20mA steps) 51.6mA or 72.3mA Assist light (=torch) current
* Flash LED(s) cathode connected to ground:

Applications

* Flash/Torch for mobile phones, digital cameras and PDA coantmesntAsGtill !"#!"$$ % &#' (&(! -+ $$+ . +. / !"#) (&() % AS3644 . 0 AS3644 ! Te
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AS3644 Distributors

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AS3644 Ultra Small Low Cost 320mA Inductive austriamicrosystems

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