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Pat. 11424684 United States, Int. Cl.22 H02M 3/335, H02M 1/00. High performance two stage power converter with enhanced light load management : Appl. N 16/897714 : Filed 10.06.2020 : Pub. 23.08.2022 : / Vijay G. Phadke, Liang Zhou, Prudhvi Mohan Maddineni ; Assignee Apple Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11424684/en?oq=US11424684.html (дата обращения: ДД.ММ.ГГГГ).