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Pat. 10177558 United States, Int. Cl.22 H02M 3/20, G05F 1/62, H02H 3/20, H02M 3/158, G05F 5/00, H02M 1/00. Overvoltage protection method and buck switching regulator having overvoltage protection function and control circuit thereof : Appl. N 15/909313 : Filed 01.03.2018 : Pub. 08.01.2019 : / Jyun-Che Ho, Jo-Yu Wang, Isaac Y. Chen ; Assignee Richtek Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10177558/en?oq=US10177558.html (дата обращения: ДД.ММ.ГГГГ).