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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 14. Forward phase circuit at full brightness Figure 15. Forward phase circuit at 90° firing angle
Figure 16. Forward phase circuit at 150° firing angle
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SNOA554C–October 2011–Revised May 2013 AN-2090 LM3448 -120VAC, 6W Isolated Flyback LED Driver
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