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Pat. 9906140 United States, Int. Cl.22 H02M 1/36, H02M 3/335. Power supply circuit and power supply method for switching power supply : Appl. N 15/148220 : Filed 06.05.2016 : Pub. 27.02.2018 : / Shaobin Zhang, Zhiliang Hu, Yongjiang Bai, Jin Jin ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9906140/en?oq=US9906140.html (дата обращения: ДД.ММ.ГГГГ).