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AAT2868

Advanced Analogic Technologies
Part Number AAT2868
Manufacturer Advanced Analogic Technologies
Description constant-frequency charge pump DC/DC converter
Published Nov 6, 2010
Detailed Description PRODUCT DATASHEET AAT2868 SystemPowerTM CABC Compatible 4 Channel Backlight Driver with Dual LDO Regulators General Des...
Datasheet PDF File AAT2868 PDF File

AAT2868
AAT2868

Overview
PRODUCT DATASHEET AAT2868 SystemPowerTM CABC Compatible 4 Channel Backlight Driver with Dual LDO Regulators General Description The AAT2868 is a low-noise, constant-frequency charge pump DC/DC converter that uses a dual-mode load switch (1x) and fractional (1.
5x) conversion to maximize efficiency for white LED Content Adaptive Brightness Control (CABC) applications.
The AAT2868 is capable of driving 4 white LEDs at a total 124mA from a 2.
7V to 5.
5V input.
The current sinks may be operated individually or in parallel for driving higher-current LEDs.
A low external parts count (two 1μF flying capacitors and two small 1μF capacitors at IN and OUTCP) makes the AAT2868 ideally suited for small b...


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