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Pat. 9966831 United States, Int. Cl.22 H02J 3/12, G05F 1/00, H02M 1/08, H02M 1/12, H02M 1/14, H02M 3/335, H02M 7/757. Controller and controlling method of switching power supply : Appl. N 14/953793 : Filed 30.11.2015 : Pub. 08.05.2018 : / Dan Zhang, Zhiliang Hu, Qiukai Huang, Yongjiang Bai, Le Li ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9966831/en?oq=US9966831.html (дата обращения: ДД.ММ.ГГГГ).