This SCR phase control works much like the common TRIAC dimmer, but has numerous advantages including increased current capability, robustness and absence of minimum voltage “snap-on.” A complementary ...
CARROLLTON, Texas –– February 29, 2008 –– Everlight Electronics Co. Ltd . (TSE: 2393) introduces a complete portfolio of 6-pin DIP random-phase and zero-cross triac driver optocouplers offering the ...
Fig 1. This zero-crossing detector circuit generates the control pulses needed to turn on triacs that require negative pulses for switching. Fig 2. Designers can use ...