EE Times - March 9, 2009 - 34
Best-in-Class Dimming Performance. High Efﬁciency. High Performance, TRIAC Dimmable LED Driver National’s industry-leading TRIAC dimmable ofﬂine LED driver solution is perfect for any application where an LED driver must interface to a standard TRIAC wall dimmer. National’s new TRIAC dimmable LED driver delivers a wide, uniform dimming range free of ﬂicker, best-in-class dimming performance, and high efﬁciency—all while maintaining ENERGY STAR® power factor requirements in a typical application. TRIAC Wall Dimmer VAC LM3445 TRIAC Dimmable LED Driver © 2009, National Semiconductor Corporation. National Semiconductor, , WEBENCH, and PowerWise are registered trademarks. All rights reserved. Full Range Dimming Capability National’s TRIAC dimmable LED driver offers 100:1 full range dimming capability, going from full light to nearly imperceptible light in a continuous range without being extinguished, and maintains a constant current to large strings of LEDs driven in series off of a standard line voltage. Easy To Use National’s TRIAC dimmable LED driver enables a direct replacement of incandescent or halogen lamp systems that are currently interfaced to a TRIAC dimmer without having to change the original infrastructure or sacriﬁce performance. In addition, the new TRIAC dimmable LED driver is available in WEBENCH® LED Designer to allow for easy and quick design in. Uniform Dimming Without Flicker National’s TRIAC dimmable LED driver allows master-slave operation control in multi-chip solutions which enables a single TRIAC dimmer to control multiple strings of LEDs with smooth consistent dimming, free of ﬂicker. national.com/LED
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