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Pat. 11005373 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 1/42, H02M 1/00. Switching power supply control circuit with bottom point detection : Appl. N 16/175193 : Filed 30.10.2018 : Pub. 11.05.2021 : / Koji Sonobe, Yu-Wei Chung ; Assignee Fuji Electric Co Ltd, Mean Well Enterprises Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11005373/en?oq=US11005373.html (дата обращения: ДД.ММ.ГГГГ).