Description
The AAT3369-1 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 CABC (Content Adaptive Brightness Control) applications.
Features
- 2.7V to 5.5V Supply Voltage Range.
- Drives up to 6 LEDs with up to 21mA each.
- 126mA of Total Drive Current.
- Charge Pump with Automatic Switching Between 1x
and 1.5x Modes.
- Linear LED Output Control.
- S2C Interface: 32 Steps from 21mA to 0.3mA.
- PWM Interface: Up to 100kHz from 1% to 100%
Duty Cycle.
- < 1.0µA Input Current in Shutdown.
- Small.