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LM3431 3-Channel Constant Current LED Driver

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Description

LM3431 www.ti.com SNVS547G * NOVEMBER 2007 * REVISED MAY 2013 3-Channel Constant Current LED Driver with Integrated Boost Controlle.
The LM3431 is a 3-channel linear current controller combined with a boost switching controller ideal for driving LED backlight panels in space critica.

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Features

* 1
* 2 LM3431Q/LM3431AQ are Automotive Grade Products that are AEC-Q100 Grade 1 Qualified (
* 40°C to 125°C operating junction temperature)
* 3-Channel Programmable LED Current
* High Accuracy Linear Current Regulation
* Analog and Digital PWM Dimming Control

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 drives an external NFET switch fo

LM3431 Distributors

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LM3431 3-Channel Constant Current LED Driver Texas Instruments
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