AAT3156 Datasheet - Advanced Analogic Technologies

AAT3156 - High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications

The AAT3156 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. The AAT3156 is capable of driving six-channel LEDs at a total of 180mA from a 2.7V to 5..

AAT3156 Features

* ChargePump™

* VIN Range: 2.7V to 5.5V Fully Programmable Current with Single Wire

* 16-Step Logarithmic Scale

* 15/20/30mA Max Current

* Four Low

AAT3156_AdvancedAnalogicTechnologies.pdf