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Pat. 11424687 United States, Int. Cl.22 H02M 3/335, H02M 1/08. Switching control circuit, switching control method and flyback converter thereof : Appl. N 16/910258 : Filed 24.06.2020 : Pub. 23.08.2022 : / Zhiliang Hu, Qiukai Huang, Xinlei Li, Yongjiang Bai ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11424687/en?oq=US11424687.html (дата обращения: ДД.ММ.ГГГГ).