Texas Instruments TPS92001 Evaluation Boards TPS92001EVM-628 TPS92001EVM-628 Manuale Utente
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TPS92001EVM-628
Performance Data and Typical Characteristic Curves
7.8
Triac Dimmer Waveforms
Figure 11. LED Current vs. Q2 Switch Node
(Ch1- LED current Ch2- Q2 drain voltage Ch3- bulk voltage)
NOTE:
LED current highly filtered.
Figure 12. Dummy Load Conduction Time
(Ch1- LED current Ch2- Q4 collector voltage Ch3- bulk voltage)
10
Dimmable LED Lighting Driver Controller
SLUU897 – March 2012
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