Bi-directional switching with the Triac GMTppnnnMT1nn•Has two cross-coupled SCRs ! •Manufactured by diffusions •Single Gate Control MT1MT2GReview from Last Lecture
The Basic Triac Circuit Assume ideal Triac ITVTRIG=0IHBGFVBGF-VACLVRACVAC-VACLVRCCTLTRV= I R+VLoad Line: The solution of these two equations is at the intersection of the load line and the device characteristics Analysis: ACTLTRV= I R+V,FITRGT1I= fVVITVTRIG=0IHBGFVBGF-VACLVRACVAC-VACLVRTwo stable operating points for both positive and negative VAC VACVGT1RLVTRITReview from Last Lecture
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