Semiconductor device

Details Semiconductor device Semiconductor device

2006-06-28

2009-10-13

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

Reexamination Certificate

active

07602593

ABSTRACT:
A semiconductor for suppressing power supply resonance caused by the external noise and preventing fluctuation of the power supply voltage. The semiconductor device includes first and second power supply wires for supplying power supply voltages, a variable capacitor circuit connected between the first and second power supply wires, a monitor circuit for detecting the fluctuation of the power supply voltage and generating an output signal indicating the detection thereof, and a controller for changing the capacitance value of the variable capacitor circuit based on the output signal of the monitor circuit.

REFERENCES:
patent: 7205813 (2007-04-01), Kang
patent: 7276979 (2007-10-01), Ishida et al.
patent: 7330083 (2008-02-01), Matsuo et al.
patent: 7-202072 (1995-08-01), None
patent: 2001-175702 (2001-06-01), None
patent: 2002-136103 (2002-05-01), None
patent: 2002-158448 (2002-05-01), None
patent: 2002-190640 (2002-07-01), None

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