AAT2803 Description
The AAT2803 is a dual charge pump designed to support both white LED backlight and flash applications for systems operating with lithium-ion/polymer batteries. The backlight charge pump is capable of driving up to six LEDs at a total of 180mA. The current sinks may be operated in group or in parallel for driving higher current LEDs.
AAT2803 Key Features
- Flash: Charge Pump Doubler
- Backlight: Tri-Mode Charge Pump Backlight Charge Pump
- Programmable Current With Single GPIO
- 16 Current Steps
- 15/20/30mA Max Current
- Four Low Current Settings
- Individual Main/Sub-Group Control
- Low IQ (50μA) for Low-Current Mode
- Drives Six Channels of LEDs Flash Charge Pump
- Regulated VOUT_FL 4.5/5.0 Volts