AS3675 - Flexible Lighting Management Unit

Product Overview

austriamicrosystems

Part number	AS3675
Manufacturer	austriamicrosystems
File Size	2.37 MB
Description	Flexible Lighting Management Unit
Datasheet	AS3675 Datasheet
Additional preview pages of the AS3675 datasheet.

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 |