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AAT1401

Part Number	AAT1401
Manufacturer	Skyworks
Description	Serial LED Driver
Published	Feb 27, 2017
Detailed Description	DATA SHEET AAT1401 Serial LED Driver with Filtered PWM and 32-Step S2C Dimming Control General Description The AAT1401 ...
Datasheet	AAT1401 PDF File

Overview

DATA SHEET AAT1401 Serial LED Driver with Filtered PWM and 32-Step S2C Dimming Control General Description The AAT1401 is a step-up single channel LED driver with an input voltage range of 2.
7V to 5.
5V.
The wide input voltage range, small solution size, advanced dimming features and high efficiency is 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.
The high switching frequency supports ultra small, low cost filtering components.
Two dimming controls are available; 32 dimming steps using the S2Cwire™ interface, and filtered PWM control.
The frequency range of the PWM dimming extends up to 100 kHz eliminating audible noise and suitable for CABC (Content Adaptive Brightness Control) applications.
The device includes over-temperature protection and programmable over-voltage protection and recovers automatically when the faults are removed.
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