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Pat. 9871441 United States, Int. Cl.22 H02M 3/156, G05F 3/26, H03K 7/08, H02M 1/00. Current feedback method, current feedback circuit, driving circuit and switching power supply thereof : Appl. N 14/944367 : Filed 18.11.2015 : Pub. 16.01.2018 : / Guojia Liu, Wei Chen ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9871441/en?oq=US9871441.html (дата обращения: ДД.ММ.ГГГГ).