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Pat. 10498254 United States, Int. Cl.22 H03K 5/08, G05F 1/40, H02M 1/36, H02M 3/04, H02M 3/156, H02M 3/335, H02M 7/48, H03K 19/00, H03L 7/00. Power conversion device, slow soft-startup circuit, and power conversion chip : Appl. N 15/632321 : Filed 24.06.2017 : Pub. 03.12.2019 : / Jyun-Che Ho, Isaac Y. Chen, Yi-Wei Lee ; Assignee Richtek Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10498254/en?oq=US10498254.html (дата обращения: ДД.ММ.ГГГГ).