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Pat. 10686366 United States, Int. Cl.22 H02M 1/32, H02M 3/335, H03K 5/1254, H03K 5/24, H02M 1/00. Flyback power converter having overly high voltage protection and primary side controller circuit thereof : Appl. N 16/395341 : Filed 26.04.2019 : Pub. 16.06.2020 : / Kuang-Fu Chang ; Assignee Richtek Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10686366/en?oq=US10686366.html (дата обращения: ДД.ММ.ГГГГ).