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LM3431

Part Number	LM3431
Manufacturer	National Semiconductor
Description	3-Channel Constant Current LED Driver
Published	Mar 19, 2010
Detailed Description	LM3431/LM3431A/LM3431Q/LM3431AQ 3-Channel Constant Current LED Driver with Integrated Boost Controller LM3431/LM3431A/L...
Datasheet	LM3431 PDF File

Overview

LM3431/LM3431A/LM3431Q/LM3431AQ 3-Channel Constant Current LED Driver with Integrated Boost Controller LM3431/LM3431A/LM3431Q/ LM3431AQ www.
DataSheet4U.
com March 10, 2009 3-Channel Constant Current LED Driver with Integrated Boost Controller General Description The LM3431 is a 3-channel linear current controller combined with a boost switching controller ideal for driving LED backlight panels in space critical applications.
The LM3431 drives 3 external NPN transistors or MOSFETs to deliver high accuracy constant current to 3 LED strings.
Output current is adjustable to drive strings in excess of 200 mA.
The LM3431 can be expanded to drive as many as 6 LED strings.
The boost controller dr...

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