Description
The AAT3155 is a low noise, constant frequency charge pump DC/DC converter that uses a trimode load switch (1X), fractional (1.5X), and doubling (2X) conversion to maximize efficiency for white LED applications.
Features
- ChargePump™
VIN Range: 2.7V to 5.5V Fully Programmable Current with Single Wire.
- 16 Current Levels.
- Four Low Current Settings Down to 50µA Low IQ (50µA) for Low Current Mode Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum Efficiency and VF Coverage Drives up to Four Channels of LEDs No Inductors, Low Noise Operation 1MHz Constant Switching Frequency Small.
AAT3155 Datasheet
