AS3675 Datasheet - austriamicrosystems

AS3675 Flexible Lighting Management Unit

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. The AS3675 incorporates one Step Up DC/DC Converter for white backlight LEDs, one high-power Charge Pump, one Analog-to-Digital Converter, 13 current.

AS3675 Features

* 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

AS3675 Datasheet (2.37 MB)