AS3492 - Highly Efficient 2-10 LEDs Backlight Driver

Product Overview

ams

Part number	AS3492
Manufacturer	ams
File Size	2.96 MB
Description	Highly Efficient 2-10 LEDs Backlight Driver
Datasheet	AS3492 Datasheet
Additional preview pages of the AS3492 datasheet.

The AS3492 is an inductive highly efficient DCDC boost converter.

2 MHz DCDC Boost converter - Small 4.7µH external coil - Very high system efficiency of 86% (DCDC and current sources combined) - Very low voltage changes on output to avoid acoustic noise on output capacitor even with PWM - Smooth startup even under low duty cycle PWM conditions.
Five Current sources up to 25mA - Low voltage compliance (150mV) - High side current source to simplify layout and thermal management of the LEDs - Automatically detect and disable failing or not used LEDs t.

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Published: Feb 18, 2015 |