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Pat. 10194497 United States, Int. Cl.22 H02M 1/00, H02M 1/08, H02M 1/15, H02M 3/156, H05B 44/00. Control circuit, control method and switching power supply thereof : Appl. N 15/587198 : Filed 04.05.2017 : Pub. 29.01.2019 : / Xiaoping Chen ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10194497/en?oq=US10194497.html (дата обращения: ДД.ММ.ГГГГ).