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Pat. 11171560 United States, Int. Cl.22 H02M 1/36, H02M 1/08, H02M 3/07, H01L 27/092, H03K 3/03. Switching regulator having low start-up voltage and switch control circuit thereof : Appl. N 16/779764 : Filed 03.02.2020 : Pub. 09.11.2021 : / Po-Yu Chiang, Hung-Yu Cheng ; Assignee Richtek Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11171560/en?oq=US11171560.html (дата обращения: ДД.ММ.ГГГГ).