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Pat. 10651722 United States, Int. Cl.22 H02M 1/088, H02M 3/158, H02M 1/00. Advanced constant off-time control for four-switch buck-boost converter : Appl. N 16/273297 : Filed 12.02.2019 : Pub. 12.05.2020 : / Bo Yang, Xiaoyu Xi, David Meng ; Assignee M3 Technology Inc Taiwan ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10651722/en?oq=US10651722.html (дата обращения: ДД.ММ.ГГГГ).