I used Workbench to get a design with UCC28730.
Pl see attached sch.
The vout values used is 12V
But the results say " actual vout is 18V"
I am wondering if this is not a typo: most likely, Vout_aux for primary side control might be 18V
Cld you look into this pl?
-robin4174.WBDesign7.pdf