IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Letter
High-Speed Switching Method of MOSFET Using Auxiliary Circuit Shorting Load
— Application and Operation Characteristics of Chopper—
Toshihiko NoguchiTomohiro Mizuno
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2012 Volume 132 Issue 5 Pages 598-599

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Abstract
This paper describes a high-speed switching method of MOSFETs applied to a chopper. By employing a set of auxiliary switch and diode in parallel with a load, the turn-off time can be reduced, which makes a high frequency drive possible. It was confirmed through experimental tests that an actual duty cycle of the main MOSFET was effectively improved by the proposed method, especially in a low-load range.
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© 2012 by the Institute of Electrical Engineers of Japan
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