AAT3167 Datasheet - Skyworks

AAT3167 High Efficiency 1X/1.5X/2X Charge Pump

The AAT3167 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 AAT3167 is capable of driving five LEDs for a total of 135mA from a 2.7V to 5.5V in.

AAT3167 Features

* VIN Range: 2.7V to 5.5V

* Fully Programmable Current with Single Wire ▪ 16-Step Logarithmic Scale ▪ 14/18/27mA Max Current ▪ Four Low-Current Settings Down to 115µA ▪ Low IQ (50µA) for Single-Channel, Low-Current Mode

* Tri-Mode 1X, 1.5X, 2X Charge Pump for Maximum Efficien

AAT3167-Skyworks.pdf