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Pat. 11469669 United States, Int. Cl.22 H02M 3/158, H03K 7/06, H03K 7/08, H02M 1/00, H02M 3/156. Methods and circuitry to detect PFM mode entry in wide duty range DC converter : Appl. N 16/779259 : Filed 31.01.2020 : Pub. 11.10.2022 : / Janne Matias Pahkala, Antti Juhani Korhonen ; Assignee Texas Instruments Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11469669/en?oq=US11469669.html (дата обращения: ДД.ММ.ГГГГ).