AAT2801 - AAT

AAT2801 Multi-Mode Charge Pump

The AAT2801 is a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product family. It has a dual charge pump architecture designed to support both the white LED backlight and flash applications for systems operating with Lithium-Ion batteries. The backlight charge pump provides power required to drive up to four LEDs. To maximize power efficiency,.

Features

•
•
•
•
•
•
•
•
•
•
•
•
•
• ChargePump™ VIN Range: 2.7V to 5.5V Dual Charge Pump — Flash: Charge Pump Doubler — Backlight: Tri-Mode Charge Pump Drives Low-VF and High-VF LEDs Up to Four 30mA Outputs 32-Position Logarithmic Scale with Digital Control Low Noise Constant Frequency Operation 1MHz Switching Frequency AutoBias Technology Regulated 4.5/5.0 Volts VOUT_FLASH Up to 250mA of Current for Flash Automatic Soft Start No Inductors IQ <1µA in Shutdown Available in 16-pin TDFN44 Package The AAT2801 is equipped with AnalogicTech’s AutoBias™ technology which allows individual LEDs www.DataShee.