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Pat. 11139742 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/00. Switching controller circuit and method for controlling flyback power converter : Appl. N 16/879692 : Filed 20.05.2020 : Pub. 05.10.2021 : / Wei-Hsu Chang, Ta-Yung Yang, Yu-Chang Chen, Chao-Chi Chen, Chuh-Ching Li, Li-Di Lo, Hao-Wen Chung ; Assignee Richtek Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11139742/en?oq=US11139742.html (дата обращения: ДД.ММ.ГГГГ).