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Pat. 10199938 United States, Int. Cl.22 H02M 3/158, H02M 1/08, H02M 1/12, H02M 1/15, H02M 1/42, H02M 3/157, H02M 7/06, H03K 17/16, H02M 1/00. Switching power source device, semiconductor device, and AC/DC converter including a switching control : Appl. N 15/799726 : Filed 31.10.2017 : Pub. 05.02.2019 : / Norisato Takeya, Masashi Oshiba, Satoshi Kumaki, Yasutaka Horikoshi ; Assignee Renesas Electronics Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10199938/en?oq=US10199938.html (дата обращения: ДД.ММ.ГГГГ).