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Keeping EMI from LED Drivers Under Control (.PDF Download)

Nov. 9, 2020

This article is part of the Power Management Series: Driving LED Designs

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Nearly all lighting applications today use LEDs. In a relatively short amount of time, they have become established as the preferred choice of illumination. However, in most applications, an LED can’t fulfill its function by itself. The LEDs must be operated with a suitable power supply. Such a driver circuit should naturally be as efficient as possible to reduce energy consumption, which is why switch-mode power supplies are primarily used for this purpose.

For all power supplies, regardless of the type, electromagnetic compatibility (EMC) should be considered. This is especially true in the case of LED lights. Various standards for measurement, evaluation, and documentation of the interference generated by LED lights have become established over time.


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