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Pat. 11509210 United States, Int. Cl.22 H02M 1/08, H02M 3/155, H03K 3/037, H03K 4/48, H03K 5/24. Frequency synchronization for a voltage converter : Appl. N 17/347177 : Filed 14.06.2021 : Pub. 22.11.2022 : / Yueming Sun, Guofeng Jin ; Assignee Texas Instruments Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11509210/en?oq=US11509210.html (дата обращения: ДД.ММ.ГГГГ).