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Pat. 10855177 United States, Int. Cl.22 H02M 3/07, H02M 3/18. Negative charge pump and method of voltage conversion : Appl. N 16/715842 : Filed 16.12.2019 : Pub. 01.12.2020 : / Yen-An Chang, Yi-Chun Shih ; Assignee Taiwan Semiconductor Manufacturing Co Tsmc Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10855177/en?oq=US10855177.html (дата обращения: ДД.ММ.ГГГГ).