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Pat. 11387823 United States, Int. Cl.22 H02M 7/06, H02M 1/00, H02M 3/158, H03H 19/00, H03K 7/06. PFM control circuit, PFM control system and PFM control method : Appl. N 16/851199 : Filed 17.04.2020 : Pub. 12.07.2022 : / Shih-Cheng Wang, Chun-Yu Luo, Shih-Chieh Chen, Liang-Hui Li, Chun-Fu Chang ; Assignee Realtek Semiconductor Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11387823/en?oq=US11387823.html (дата обращения: ДД.ММ.ГГГГ).