公开(公告)号：US20220085727A1

公开(公告)日：2022-03-17

申请号：US17418606

申请日：2019-12-19

Applicant: SOUTHEAST UNIVERSITY ,  CSMC TECHNOLOGIES FAB2 CO., LTD.

Inventor： Weifeng SUN ,  Huaxin ZHANG ,  Hu ZHANG ,  Menglin YU ,  Siyu ZHAO ,  Shen XU ,  Longxing SHI

IPC: H02M3/335

Abstract: A flyback converter and an output voltage acquisition method therefor and apparatus thereof, wherein the output voltage acquisition method comprises the following steps: acquiring the reference output voltage of a flyback converter; sampling the current output voltage of the flyback converter within a reset time of each switching period among M continuous switching periods of the flyback converter, wherein M is a positive integer; and according to the reference output voltage and the current output voltage, sampling a dichotomy to successively approximate the current output voltage until the M switching periods are finished, and acquiring the output voltage of the flyback converter.