Abstract: A semiconductor device includes: a voltage-dividing resistor circuit including first and second resistors connected in series between a power supply potential and a reference potential and outputting a potential at a point of connection between the first and second resistors; a transient response detection circuit including a third resistor having a first end connected to the power supply potential and a capacitor connected between a second end of the third resistor and the reference potential, and outputting a potential at a point of connection between the third resistor and the capacitor; an AND circuit ANDing an output signal of the voltage-dividing resistor circuit and an output signal of the transient response detection circuit; and an output circuit, wherein switching of the output circuit is controlled by an output signal of the AND circuit.

Abstract: A bootstrap compensation circuit includes: a plurality of resistors series-connected between a floating potential corresponding to a high-voltage-side potential and a reference potential; a second capacitor that has one end connected to a divided potential extraction point and has the other end connected to the reference potential, the divided potential extraction point located between the plurality of resistors; and an output circuit which supplies current to a first capacitor, according to a potential of the divided potential extraction point.

Abstract: A semiconductor device includes: a voltage-dividing resistor circuit including first and second resistors connected in series between a power supply potential and a reference potential and outputting a potential at a point of connection between the first and second resistors; a transient response detection circuit including a third resistor having a first end connected to the power supply potential and a capacitor connected between a second end of the third resistor and the reference potential, and outputting a potential at a point of connection between the third resistor and the capacitor; an AND circuit ANDing an output signal of the voltage-dividing resistor circuit and an output signal of the transient response detection circuit; and an output circuit, wherein switching of the output circuit is controlled by an output signal of the AND circuit.

Abstract: A semiconductor device includes: a voltage-dividing resistor circuit including first and second resistors connected in series between a power supply potential and a reference potential and outputting a potential at a point of connection between the first and second resistors; a transient response detection circuit including a third resistor having a first end connected to the power supply potential and a capacitor connected between a second end of the third resistor and the reference potential, and outputting a potential at a point of connection between the third resistor and the capacitor; an AND circuit ANDing an output signal of the voltage-dividing resistor circuit and an output signal of the transient response detection circuit; and an output circuit, wherein switching of the output circuit is controlled by an output signal of the AND circuit.

Abstract: A bootstrap compensation circuit includes: a plurality of resistors series-connected between a floating potential corresponding to a high-voltage-side potential and a reference potential; a second capacitor that has one end connected to a divided potential extraction point and has the other end connected to the reference potential, the divided potential extraction point located between the plurality of resistors; and an output circuit which supplies current to a first capacitor, according to a potential of the divided potential extraction point.

Abstract: A semiconductor device includes: a voltage-dividing resistor circuit including first and second resistors connected in series between a power supply potential and a reference potential and outputting a potential at a point of connection between the first and second resistors; a transient response detection circuit including a third resistor having a first end connected to the power supply potential and a capacitor connected between a second end of the third resistor and the reference potential, and outputting a potential at a point of connection between the third resistor and the capacitor; an AND circuit ANDing an output signal of the voltage-dividing resistor circuit and an output signal of the transient response detection circuit; and an output circuit, wherein switching of the output circuit is controlled by an output signal of the AND circuit.