AS3676 - Flexible Lighting Management

austriamicrosystems

Datasheet Details

Part number	AS3676
Manufacturer	austriamicrosystems
File Size	2.15 MB
Description	Flexible Lighting Management
Datasheet	AS3676-austriamicrosystems.pdf

The AS3676 is a highly-integrated CMOS Power and Lighting Management Unit for mobile telephones, and other 1-cell Li+ or 3-cell NiMH powered devices.

High-Efficiency Step Up DC/DC Converter - Up to 26V/50mA for White LEDs - Programmable Output Voltage with External Resis- tors and Serial Interface - Over voltage Protection.
High-Efficiency High-Power Charge Pump - 1:1, 1:1.5, and 1:2 Mode - Automatic Up Switching (can be disabled and 1:2 mode can be blocked) - Output Current up to 400mA/500mA pulsed - Efficiency up to 95% - Very Low effective Resistance (2.5 typ. in 1:1.5) - Only 4 External Capacitors Required: 2 x 1µF Flying Capa.

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Published: Feb 18, 2015 |