Resonant type high frequency power supply device and switching circuit for resonant type high frequency power supply device
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United States of America Patent
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Jan 30, 2018
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Oct 31, 2013
filing date -
Oct 31, 2013
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Abstract
A resonant type high frequency power supply device provided with a power semiconductor element that performs a switching operation, the power supply device including a second power semiconductor element at least one or more connected in parallel to the power semiconductor element to achieve optimization of parasitic capacitances of the power semiconductor element and the second power semiconductor element itself, and a high frequency pulse drive circuit that transmits a pulse-shaped voltage signal having a high frequency exceeding 2 MHz to the power semiconductor element and the second power semiconductor element to drive the power semiconductor element and the second power semiconductor element.
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