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Fundamentals of AC/DC LED Drivers & Power Factor Correction

Posted on: May 3, 2011 | Duration: 35 min.
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Light emitting diodes (LEDs) are quickly becoming the preferred source of lighting for area illumination designs, primarily due to their efficiency, which is much higher than alternative light sources such as standard incandescent bulbs. Despite their apparent simplicity, they are nonlinear, non-resistive loads. Therefore, LEDs have some unique drive issues, and also affect the AC-line power factor.  

This Fundamentals course will look at issues related to configuring and driving single LEDs and multiple-LED arrays. It also explores  power-supply topologies, power isolation, and providing power factor correction (PFC) where needed to meet regulatory standards or system requirements.

Presented by: Bill Schweber, Editor, Power Management Designline

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