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Pat. 11469668 United States, Int. Cl.22 H02M 3/158, H02M 1/08, H02M 1/088, H02M 1/00. Step-up switching converter and control circuit and method thereof : Appl. N 17/328653 : Filed 24.05.2021 : Pub. 11.10.2022 : / Lei Li ; Assignee Chengdu Monolithic Power Systems Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11469668/en?oq=US11469668.html (дата обращения: ДД.ММ.ГГГГ).