2026-09-21T11:29:19Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/1515482023-08-01T03:03:03Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Perreault, David J.
Liang, Xinyu
Nguyen, My Uyen Tran
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
2023-07-31T19:47:46Z
2023-07-31T19:47:46Z
2023-06
2023-06-06T16:35:54.816Z
https://hdl.handle.net/1721.1/151548
Power delivery requirements for computing applications have continuously grow over the years to keep up with more complex and demanding processing capabilities. The electronics industry increasingly see up to and beyond 100A power rail and microseconds transient recovery requirements for applications in wireless, healthcare, defense, industrial, and automotive industries. This thesis investigates multiphase design and application for monolithic buck switching regulators to multiply output current for low-voltage and power-intensive applications. In particular, the research incorporates coupled inductors to take advantage of its magnetic coupling between different phases to achieve minimal output ripples and ultra-fast transient response. The results of this research emphasize performance differences in control loop and transient response, output ripple, efficiency, and thermal performance when using discrete and coupled inductors at fixed output capacitance in a multiphase step-down application.
M.Eng.
Massachusetts Institute of Technology
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Copyright retained by author(s)
https://rightsstatements.org/page/InC-EDU/1.0/
Application Considerations of Multiphase
Monolithic Buck Regulators with Coupled Inductors
Thesis
application/pdf
Master
Master of Engineering in Electrical Engineering and Computer Science
Publication
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unknown
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Monolithic Buck Regulators with Coupled Inductors</Title>
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<Abstract>Power delivery requirements for computing applications have continuously grow over the years to keep up with more complex and demanding processing capabilities. The electronics industry increasingly see up to and beyond 100A power rail and microseconds transient recovery requirements for applications in wireless, healthcare, defense, industrial, and automotive industries. This thesis investigates multiphase design and application for monolithic buck switching regulators to multiply output current for low-voltage and power-intensive applications. In particular, the research incorporates coupled inductors to take advantage of its magnetic coupling between different phases to achieve minimal output ripples and ultra-fast transient response. The results of this research emphasize performance differences in control loop and transient response, output ripple, efficiency, and thermal performance when using discrete and coupled inductors at fixed output capacitance in a multiphase step-down application.</Abstract>
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