Title page for ETD etd-04162012-151740


Type of Document Dissertation
Author Reusch, David Clayton
URN etd-04162012-151740
Title High Frequency, High Power Density Integrated Point of Load and Bus Converters
Degree PhD
Department Electrical and Computer Engineering
Advisory Committee
Advisor Name Title
Lee, Fred C. Committee Chair
De La Ree Lopez, Jaime Committee Member
Lu, Guo-Quan Committee Member
Ngo, Khai D. T. Committee Member
Patil, Mayuresh J. Committee Member
Keywords
  • bus converter
  • gallium nitride
  • magnetic integration
  • point-of-load converter
  • high frequency
  • High power density
Date of Defense 2012-04-16
Availability unrestricted
Abstract
The increased power consumption and power density demands of modern technologies

combined with the focus on global energy savings have increased the demands on DC/DC power

supplies. DC/DC converters are ubiquitous in everyday life, found in products ranging from

small handheld electronics requiring a few watts to warehouse sized server farms demanding

over 50 megawatts. To improve efficiency and power density while reducing complexity and

cost the modular building block approach is gaining popularity. These modular building blocks

replace individually designed specialty power supplies, providing instead an optimized complete

solution. To meet the demands for lower loss and higher power density, higher efficiency and

higher frequency must be targeted in future designs. The objective of this dissertation is to

explore and propose methods to improve the power density and performance of point of load

modules ranging from 10 to 600W.

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