Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 5, 2019
Patent Application Number
15792914
Date Filed
October 25, 2017
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A gate driving circuit is connected to a main switching element. The gate driving circuit includes a gate resistor. The gate resistor includes a voltage controlled resistor of which a resistance value is able to be continuously changed. A switching power supply device includes a gate driving circuit, a main switching element, and a freewheeling diode connected in reverse parallel to the main switching element.
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