Integrated circuit and semiconductor module
AssigneeFuji Electric Co., Ltd.
InventorMasashi AKAHANE
Life of this patent
Estimating the term…
Abstract
An integrated circuit includes: a power supply line configured to receive a power supply voltage; a constant current source electrically coupled to the power supply line; a reference voltage circuit electrically coupled to the constant current source; and a first resistor having two ends, one end thereof being electrically coupled to the constant current source, and the other end thereof being electrically coupled to the reference voltage circuit. The reference voltage circuit is a bandgap circuit including a plurality pf bipolar devices. The first resistor is configured to decrease a leakage current in the bipolar devices when a temperature thereof rises.
Claims11
An integrated circuit comprising:
- a power supply line configured to receive a power supply voltage;
- a constant current source electrically coupled to the power supply line;
- a reference voltage circuit electrically coupled to the constant current source;
- and
- a first resistor having two ends, one end thereof being electrically coupled to the constant current source, and the other end thereof being electrically coupled to the reference voltage circuit, wherein
- the reference voltage circuit is a bandgap circuit including a plurality of bipolar devices, and
- the first resistor is configured to decrease a leakage current in the plurality of bipolar devices when a temperature rises.
An integrated circuit comprising:
- a power supply line configured to receive a power supply voltage;
- a constant current source electrically coupled to the power supply line;
- a reference voltage circuit electrically coupled to the constant current source;
- and
- a diode having
- an anode electrically coupled to the constant current source, and
- a cathode electrically coupled to the reference voltage circuit.
An integrated circuit comprising:
- a power supply line configured to receive a power supply voltage;
- a constant current source electrically coupled to the power supply line;
- a reference voltage circuit electrically coupled to the constant current source;
- and
- a first Zener diode having
- a cathode electrically coupled to the constant current source, and
- an anode that is grounded,
- the first Zener diode being provided in parallel with the reference voltage circuit.
Dependencies are inferred from the claim text.