AS3681 DB

austriamicrosystems AS3681 Product Brief Power & Lighting Management Unit 1 General Description ! The AS3681 is a highly-integrated, ultra-flexible CMOS Power- and Lighting Management Unit to supply power to LCD- and camera-modules in mobile telephones, and other 1-cell Li+ or 3-cell NIMH powered devices. The AS3681 incorporates one low-power, low-dropout regulator (LDO), one Step Up DC/DC Converter for white backlight LEDs, one high-power Charge Pump for camera flash LEDs, one Analog-to-Digital Converter, support for up to 11 current sinks, a serial interface, and control logic all onto a single die. ! The linear analog regulator features extremely high analog performance regarding: ! ! ! ! Noise (< 30µVrms from 100Hz to 100kHz) ! Line/load Regulation (