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Pat. 10581312 United States, Int. Cl.22 H02M 1/08, H02M 3/158. Multilevel converter using node voltage track and control : Appl. N 15/859039 : Filed 29.12.2017 : Pub. 03.03.2020 : / Yogesh Kumar Ramadass, Jeff Lee Nilles, Sombuddha Chakraborty, Farzad Sahandiesfanjani ; Assignee Texas Instruments Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10581312/en?oq=US10581312.html (дата обращения: ДД.ММ.ГГГГ).