AS3675 - Flexible Lighting Management Unit

austriamicrosystems

Datasheet Details

Part number	AS3675
Manufacturer	austriamicrosystems
File Size	2.37 MB
Description	Flexible Lighting Management Unit
Datasheet	AS3675-austriamicrosystems.pdf

The AS3675 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 16V/55mA (or 25V/35mA) 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 300mA/500mA pulsed - Efficiency up to 95% - Very Low effective Resistance (2.5Ω typ. in 1:1.5) - Only 4 External Capacitors Required: 2 x 1µF Flying Ca.

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Published: Feb 18, 2015 |