The AAT1402 is a step-up single channel LED driver with an input voltage range of 2.7V to 5.5V. The wide input voltage, small solution size, advanced dimming features and high efficiency are suitable for LED backlight solutions for single cell Li-ion based equipment. A precision high voltage current sink maintains the maximum LED current set by an external resistor from 10 to 31mA to drive 8 series connected LEDs. The high switching frequency sup-ports ultra-small, low-cost filtering components.
