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Pat. 10886881 United States, Int. Cl.22 H03F 3/45, H02M 3/07, H03F 3/217. Multilevel class-D power stage including a capacitive charge pump : Appl. N 16/360703 : Filed 21.03.2019 : Pub. 05.01.2021 : / Yinglai Xia, Shailendra Kumar Baranwal, Junmin Jiang, Yogesh Kumar Ramadass ; Assignee Texas Instruments Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10886881/en?oq=US10886881.html (дата обращения: ДД.ММ.ГГГГ).