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Pat. 10108294 United States, Int. Cl.22 H02J 3/12, G05F 1/00, G06F 3/041, H02M 1/08, H02M 1/44, H02M 3/335, H02M 1/00. Switching power converter with history-based valley mode switching : Appl. N 15/414593 : Filed 24.01.2017 : Pub. 23.10.2018 : / Fuqiang Shi, Cong Zheng, Danna Suo ; Assignee Dialog Semiconductor Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10108294/en?oq=US10108294.html (дата обращения: ДД.ММ.ГГГГ).