AAT3151 Datasheet - Advanced Analogic Technologies

AAT3151 - High Efficiency 1X/1.5X/2X Charge Pump For White LED Applications

The AAT3151 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. The AAT3151 is capable of driving four-channel LEDs at a total of 120mA from a 2.7V to .

AAT3151 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

AAT3151_AdvancedAnalogicTechnologies.pdf