The LT3743 provides up to 20 A of continuous LED current from a nominal 12-V input, delivering in excess of 80 W. In pulsed LED applications, it can deliver up to 40 A or 160 W from a 12-V input. The part offers both PWM and CTRL_SELECT dimming, offering 3,000:1 dimming capability at three LED current levels, suiting it for color-mixing applications such as those required in DLP projectors.
Additional features include a 5.5 to 36-V input voltage range, a ±5% current regulation accuracy, 95% efficiency, and 2-µs max recovery time between any current regulation state. Housed in thermally enhanced QFN and 28-pin FE packages, the driver offers output regulation and open-LED protection. (From $5.65 ea/1,000 — stock.)
Linear Technology , Milpitas , CA
Literature 800-4-LINEAR
http://www.linear.com
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