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Pat. 10727739 United States, Int. Cl.22 H02M 3/07, H02M 1/08, H03F 1/02, H03F 3/20. Charge pump circuit and controlling method thereof : Appl. N 16/798413 : Filed 23.02.2020 : Pub. 28.07.2020 : / Wen-Chi Wang, Si Herng Ng ; Assignee Shenzhen Goodix Technology Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10727739/en?oq=US10727739.html (дата обращения: ДД.ММ.ГГГГ).