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Pat. 10447162 United States, Int. Cl.22 H02M 3/158, G01R 19/04, H02M 1/00, H02M 1/08, H02M 3/335, H02M 3/338. Switching power supply circuit having a switching circuit and a coil current emulation circuit : Appl. N 15/898691 : Filed 19.02.2018 : Pub. 15.10.2019 : / Takashi Matsumoto ; Assignee Torex Semiconductor Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10447162/en?oq=US10447162.html (дата обращения: ДД.ММ.ГГГГ).