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www.ti.com Circuit Operation With Forward Phase TRIAC Dimmer
7 Circuit Operation With Forward Phase TRIAC Dimmer
The dimming operation of the circuit was verified using a forward phase TRIAC dimmer. Waveforms
captured at different dimmer settings are shown below:
Figure 13. Forward phase circuit at full brightness Figure 14. Forward phase circuit at 90° firing angle
Figure 15. Forward phase circuit at 135° firing angle
5
SNOA559B–October 2011–Revised May 2013 AN-2127 LM3448 A19 Edison Retrofit Evaluation Board
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