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Pat. 11038424 United States, Int. Cl.22 H02M 3/07, H02M 3/156, H02M 3/158, H02M 1/00. Direct current-direct current converter : Appl. N 16/693568 : Filed 25.11.2019 : Pub. 15.06.2021 : / Chen Zhao, Wang Zhang ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11038424/en?oq=US11038424.html (дата обращения: ДД.ММ.ГГГГ).