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DRIVING DEVICE FOR INSULATED GATE SEMICONDUCTOR ELEMENT, AND DRIVING SYSTEM FOR THE SAME ELEMENT
DRIVING DEVICE FOR INSULATED GATE SEMICONDUCTOR ELEMENT, AND DRIVING SYSTEM FOR THE SAME ELEMENT
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机译:绝缘门极半导体元件的驱动装置以及相同元件的驱动系统
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摘要
A driving device includes: a driving circuit operating with a single power supply in accordance with a driving signal; a first parallel circuit formed of a first capacitor and a first zener diode connected together in parallel, and having a first end connected to an output terminal of the driving circuit; a series circuit connected between a second end of the first parallel circuit and a ground of the driving circuit, and formed of a diode and a second parallel circuit (of a second capacitor and a second zener diode) connected to each other in series; and a resistor is connected between the second end of the first parallel circuit and the ground of the driving circuit. A voltage across the resistor is used as an output voltage for driving the insulated gate semiconductor element. A voltage across the first capacitor is superimposed negative-wise on the output voltage.
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