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Partname:AAT2860-6
Description: Backlight/Flash LED Driver and Multiple LDO Lighting Management Unit
Manufacturer:Advanced Analogic Technologies
Datasheet:PDF (2.83M).
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The AAT2860-x is a highly integrated charge pump-based lighting management unit (LMU) with three low dropout (LDO) regulators optimized for single-cell lithium-ion/ polymer systems. The charge pump provides power for all LED outputs; multiple backlight and flash LED configurations are available. The backlight LED outputs can be programmed up to 31mA each and the flash LED outputs can be programmed up to 300mA each. An I2C compatible serial digital interface is used to enable, disable, and set the current to one of 32 levels for the backlight and one of 16 levels for the flash. A programmable safety timer and flash control input is included for easy flash control. Backlight current matching is better than 3% for uniform display brightness, and flash current matching is better than 5% for uniform power dissipation.

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