| 摘要 |
PROBLEM TO BE SOLVED: To provide a gate drive circuit which drives a switch element including a wideband gap semiconductor with a simple configuration. SOLUTION: The gate drive circuit includes a switch element including a wideband gap semiconductor having a drain, a source, and a gate, and connected between the gate and a signal which drives the gate through a series circuit of a capacitor and a resistor, and a gate voltage clamp circuit provided between the drain and the gate and composed of a diode and a voltage limit circuit. COPYRIGHT: (C)2011,JPO&INPIT
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