Patent ID: 8410825

Claim:
A drive unit for driving a switching voltage-driven element, comprising: a first connector configured so as to be connected with a gate resistor of the switching voltage-driven element; a second connector configured so as to be connected with a driving power source; a switching element having a first input-output terminal connected to the first connector and a second input-output terminal connected to the second connector; a controller connected to a control terminal of the switching element, and controlling a voltage input to the control terminal of the switching element, wherein the controller has an error amplifier, a reference power source, and a switch, one input terminal of the error amplifier is connected to the reference power source, an other input terminal thereof is connected to the first connector, and an output terminal thereof is connected to the control terminal of the switching element, the switch has a first end, a second end, and a control terminal, and the first end of the switch is connected to the second connector, and the second end thereof is connected to the control terminal of the switching element.