AAT1236 Datasheet - Advanced Analog Technology

AAT1236 High Efficiency White LED Drivers

The AAT1236 is a highly integrated, high efficiency power solution for white LED and keypad backlights in mobile/portable devices. It is based on a switching boost converter which steps up the single cell lithium-ion/polymer battery voltage to drive 5 strings of series-connected white LEDs with prec.

AAT1236 Features

* SwitchReg™

* Input Supply Voltage Range: 2.7V to 5.5V Maximum Boost Output Drive: Up to 24V at 100mA Up to 85% Efficient Operation Up to 2MHz Switching Frequency with Small Inductor User-Programmabl

AAT1236_AdvancedAnalogTechnology.pdf