Description
The AAT3169 is a low noise, constant frequency charge pump DC/DC converter that uses a tri-mode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications.
Features
- VIN Range: 2.7V to 5.5V.
- Fully Programmable Current with Single Wire.
- 16-Step Logarithmic Scale.
- 15/20/30mA Max Current.
- Four Low-Current Settings Down to 115µA.
- Low IQ (65µA) for Single-Channel, Low-Current
Mode.
- Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum
Efficiency and VF Coverage.
- Drives Up to Six LEDs.
- Individual Main-Sub (5-1) Group Control.
- No Inductors, Low Noise Operation.
- 1MHz Constant Switching F.
AAT3169-Skyworks.pdf
