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National Semiconductor Introduces Industry's First LED Driver PowerWise Controller Maximizes System Efficiency, Simplifies Design and Reduces System Cost

SANTA CRUZ, Calif., April 26 /PRNewswire-FirstCall/ -- GlobalPress Electronic Summit -- National Semiconductor Corp. (NYSE: NSM) today announced the industry's first LED driver with dynamic headroom control and multiple outputs for high-power applications that accurately and efficiently drives up to four strings of LEDs. The LM3464, a member of National's PowerWise? energy-efficient product family, maximizes system efficiency and reduces system complexity and cost in LED-intensive applications such as industrial, street and automotive lighting. Unlike traditional high-brightness led drivers that drive current to each string independently, the LM3464 LED driver includes four channels to drive up to 20 LEDs per channel, reducing system complexity and cost. The LM3464's dynamic headroom control feature dynamically adjusts the LED supply voltage through the power supply feedback to the lowest level required to provide optimal system efficiency.

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