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Up to Discussions in Projects and Designs

6125 Views 1 Reply Latest reply: Apr 17, 2012 8:52 AM by TommyTech

EPaul

Currently Being Moderated

Apr 15, 2012 7:19 PM

How to design a flickerless LED dimmer

Dimmer switches are big in all lighting applications but they particularly difficult for LED lamps.

- What are the best ways to design flickerless dimmers for LED lamps?

- What are the design gotchas to look out for when designing the dimmer for the LED?

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Tags: leds, light_emitting_diodes, dimmer, flicker, flickerless

TommyTech
3 posts since
Apr 11, 2012

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Apr 17, 2012 8:52 AM (in response to EPaul)
How to design a flickerless LED dimmer

Here is an app note covering the topic:

http://www.fairchildsemi.com/an/AN/AN-9745.pdf

Here is a ready made evaluation board.

http://www.ti.com/lit/ds/symlink/lm3448.pdf

Looks like everyone makes a driver, Google "Triac dimmable LED driver"

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