Description
The AAT2868 is a low-noise, constant-frequency charge pump DC/DC converter that uses a dual-mode load switch (1x) and fractional (1.5x) conversion to maximize efficiency for white LED Content Adaptive Brightness Control (CABC) applications.
Features
- 2.7V to 5.5V Supply Voltage Range.
- Charge Pump for LED Driver.
- Dual Mode 1x/1.5x.
- Drives Up to 4 LEDs with up to 31mA each.
- Linear LED Output Control Options.
- Maximum LED Current Set by AS2Cwire Interface, 32 Steps.
- PWM Interface Dimming from 100% to 1% Duty Cycle with Frequency up to 100kHz.
- 0.9MHz Constant Frequency.
- Automatic Soft-Start Limits Inrush Current.
- Dual 150mA LDOs.
- Enable and Output Voltage Set by A.
AAT2868 Datasheet
