LED Driver
National SemiconductorRequest Info
National Semiconductor Corp. has announced the LM3464 LED driver
with dynamic headroom control and multiple outputs for high-power applications such
as industrial, street and automotive lighting. It accurately and efficiently drives
up to four strings of LEDs. The PowerWise controller maximizes system efficiency,
simplifies design and reduces system cost. The driver includes four channels and
drives up to 20 LEDs per channel, and its dynamic headroom control feature adjusts
the supply voltages of the LED strings through the power supply feedback to the
lowest level required to provide optimal system efficiency. By directly controlling
the output of the offline regulator, the driver can eliminate the second stage switching
regulator commonly required for offline LED power supplies.
http://www.national.com
/Buyers_Guide/National_Semiconductor/c10074
Published: July 2010
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