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Pat. 9906121 United States, Int. Cl.22 H02M 3/04, H02M 3/156. Control circuits and methods for transitioning between power converter control modes : Appl. N 14/878442 : Filed 08.10.2015 : Pub. 27.02.2018 : / Yancy Fontanilla Boncato, James Sigamani, Jonathan Ross Bernardo Fauni ; Assignee Astec International Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9906121/en?oq=US9906121.html (дата обращения: ДД.ММ.ГГГГ).