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AS3661 - Programmable 9-channel LED Driver

General Description

The AS3661 is a 9-channel LED driver designed to produce lighting effects for mobile devices.

A highefficiency charge pump enables LED driving over full LiIon battery voltage range.

The device is equipped with an internal program memory, which allows operation without processor control.

Key Features

  • Adaptive charge pump with 1x and 1.5x gain provides up to 95% LED drive efficiency Built-in LED test Figure 1. AS3661 LED Driver Block Diagram ca ni  !"#$ %!$ ""! !" & ' " ch ' ' 4 ' 5 ' 2 ' 6 '  ' ;5 ;.

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Datasheet Details

Part number AS3661
Manufacturer austria microsystems
File Size 3.12 MB
Description Programmable 9-channel LED Driver
Datasheet download datasheet AS3661 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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austriamicrosystems AG is now ams AG The technical content of this austriamicrosystems datasheet is still valid. Contact information: Headquarters: ams AG Tobelbaderstrasse 30 8141 Unterpremstaetten, Austria Tel: +43 (0) 3136 500 0 e-Mail: ams_sales@ams.com Please visit our website at www.ams.com Free Datasheet http://www.datasheet4u.com/ D ata s hee t AS3661 P r o g r a m m a b l e 9- ch a n n el L E D D r i ve r 1 General Description The AS3661 is a 9-channel LED driver designed to produce lighting effects for mobile devices. A highefficiency charge pump enables LED driving over full LiIon battery voltage range. The device is equipped with an internal program memory, which allows operation without processor control.