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Pat. 10491112 United States, Int. Cl.22 H02M 3/158, G05F 3/02, H02M 1/08, H02M 3/07, H02M 1/00. Driving circuit and method for buck-boost converter with bootstrap voltage refresh : Appl. N 16/255774 : Filed 23.01.2019 : Pub. 26.11.2019 : / Lei Li ; Assignee Chengdu Monolithic Power Systems Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10491112/en?oq=US10491112.html (дата обращения: ДД.ММ.ГГГГ).