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Triggering Snubberless Triac in QII and QIII with positive power supply

Question asked by Nazmul Hasan on Oct 28, 2017
Latest reply on Nov 17, 2017 by Benoit RENARD


Can I connect the positive output voltage terminal of my off-line power supply using Viper16L to AC-main's (N) terminal (doesn't make sense though) to trigger a snubberless triac (T435-800T) as I drawn below. Is there any way to avoid isolated power supplies in such cases? Please let me know your opinion.


Thanking you.