Development of an isolated flyback converter employing boundary-mode operation and magnetic flux sensing feedback
Name
56986239-MIT.pdf
Description
Full printable version
Size
17.96 MB
Format
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Checksum (MD5)
367ef1188869c660047588462889bdce
Author(s)
Kenia, Mayur V. (Mayur Vasant), 1981-
Advisor(s)
Tony Bonte and David Perreault.
Date Issued
2004
Publisher
Massachusetts Institute of Technology
Abstract
This thesis focuses on the marriage of magnetic-flux-sensing feedback and boundary-mode operation in a flyback converter to create a simple, small, low-cost, isolated, and tightly regulated power supply. Although each technique has been implemented before, the marriage of these two concepts is new. The union of these two techniques is powerful in terms of simplifying the overall design. The same signal, the flyback pulse on the bias winding, controls the feedback loop and the turn-on of the switch. In the process of building an isolated power supply, a complete understanding of the benefits and disadvantages of various operational modes along with other design options are explored. The flyback converter was built using discrete parts including op-amps, comparators, and other analog building blocks. The goal was to create a proof of concept board to test the overall effectiveness of the new topology in a simple, quick manner.
Description
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.
Includes bibliographical references (leaves 108-109).
Subjects
Electrical Engineering and Computer Science.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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