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Boost Backlight LED Driver

Click to Download	Application Note 185 KB (6 pages) July 27, 2008

Jim Christensen Maxim Integrated Products This is a reference design for an LED display-backlight driver. The design uses a boost power supply with adaptive feedback for efficiency and linear current sinks for a high dimming ratio (2000:1). The input voltage is 8V to 16V with 50V transients, and the load is three parallel strings of 8 LEDs (34V) at 150mA/string. The MAX16809 16-channel LED driver is featured.

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