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Pat. 11303198 United States, Int. Cl.22 G05F 1/571, H02H 3/20, H02M 1/32, H02M 3/335, H02H 7/12. Isolated switching converter, control circuit and control method thereof : Appl. N 16/704049 : Filed 05.12.2019 : Pub. 12.04.2022 : / Xiaoyu Yang, Yongjiang Bai, Qiukai Huang ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11303198/en?oq=US11303198.html (дата обращения: ДД.ММ.ГГГГ).