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Pat. 11031865 United States, Int. Cl.22 H02M 3/07. Charge pump circuit configured for positive and negative voltage generation : Appl. N 16/911967 : Filed 25.06.2020 : Pub. 08.06.2021 : / Vikas Rana ; Assignee Stmicroelectronics International Nv Switzerland ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11031865/en?oq=US11031865.html (дата обращения: ДД.ММ.ГГГГ).