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AAT2842

Part Number	AAT2842
Manufacturer	ANALOGICTECH
Description	High-Current Charge Pump
Published	Jun 4, 2007
Detailed Description	High-Current Charge Pump with S2Cwire™ Control and Dual LDO for Backlight and Flash General Description The AAT2842 is a...
Datasheet	AAT2842 PDF File

Overview

High-Current Charge Pump with S2Cwire™ Control and Dual LDO for Backlight and Flash General Description The AAT2842 is a highly integrated charge pump with dual linear regulators optimized for systems operating with lithium-ion/polymer batteries.
The charge pump provides power for both white LED backlight/keypad and flash.
Up to four backlight LEDs can be driven at up to 30mA each and keypad LEDs can be driven using lower currents set by the S2Cwire interface.
In addition, up to four flash LEDs can be driven with up to 600mA total.
Two separate S2Cwire™ (Simple Serial Control™) serial digital interfaces are used to enable, disable, and set the current to one of 16 levels for both backlight a...

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