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Pat. 11277070 United States, Int. Cl.22 H02M 3/335, H02M 3/00, H02M 1/00, H02M 1/14. DC-DC converter with extended light load operating range, and method of using same : Appl. N 17/020026 : Filed 14.09.2020 : Pub. 15.03.2022 : / Daniel William Shafer ; Assignee Vitesco Technologies Usa LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11277070/en?oq=US11277070.html (дата обращения: ДД.ММ.ГГГГ).