• B. Jayant Baliga


Power devices are required for systems that operate over a broad spectrum of power levels and frequencies as discussed in the textbook1. The wide range of operating frequency for these applications was illustrated in Fig. 1.1. Another classification for the applications that is useful is based up on the operating voltage level as shown in Fig. 9.1. At lower voltages (< 100 voltages), a large number of power rectifiers are needed for computer power supplies and in automotive electronics. Rectifiers with larger voltage ratings are required for many other applications, such as motor drives, shown in the figure.


Power Loss Power Dissipation Buck Converter Reverse Bias Voltage Total Power Loss 
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    [1] B.J. Baliga, “Fundamentals of Power Semiconductor Devices”, Springer-Science, New York, 2008.CrossRefGoogle Scholar
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    B.K. Bose, “Power Electronics and Variable Frequency Drives”, IEEE Press, 1997.Google Scholar
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    B.J. Baliga, “Power Semiconductor Devices for Variable-Frequency Drives”, Proceedings of the IEEE, Vol. 82, pp. 1112-1122, 1994.CrossRefGoogle Scholar
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      P. Brosselard, et. al, “Bipolar Conduction Impact on Electrical Characteristics and Reliability of 1.2 and 3.5 kV 4H-SiC JBS Diodes”, IEEE Transactions on Electron Devices, Vol. 55, pp. 1847-1856, 2008.CrossRefGoogle Scholar
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      B.A. Hull, et. al, “Performance and Stability of Large-Area 4H-SiC 10-kV JBS Rectifiers”, IEEE Transactions on Electron Devices, Vol. 55, pp. 1864-1870, 2008.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.North Carolina State UniversityPower Semiconductor Research CenterRaleigh

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