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Circuit Operation With Reverse Phase TRIAC Dimmer www.ti.com
8 Circuit Operation With Reverse Phase TRIAC Dimmer
The circuit operation was also verified using a reverse phase dimmer and waveforms captured at different
dimmer settings are shown below:
Figure 17. Reverse phase circuit at full brightness Figure 18. Reverse phase circuit at 90° firing angle
Figure 19. Reverse phase circuit at 150° firing angle
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AN-2090 LM3448 -120VAC, 6W Isolated Flyback LED Driver SNOA554C–October 2011–Revised May 2013
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