RECTIFIER CIRCUIT, POWER SUPPLY CIRCUIT, AND SEMICONDUCTOR DEVICE
First Claim
1. A semiconductor device comprising:
- a first capacitor;
a second capacitor;
a transistor; and
a diode,wherein the first capacitor, the second capacitor, and the diode are connected in series in that order between an input terminal and a first output terminal,wherein the second capacitor is connected between one of source and drain regions and a gate electrode of the transistor, andwherein the other one of the source and drain regions of the transistor is connected to a second output terminal.
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Abstract
It is an object of the present invention to provide a rectifier circuit that can suppress deterioration or dielectric breakdown of a semiconductor element due to excessive current. A rectifier circuit of the present invention includes at least a first capacitor, a second capacitor, and a diode which are sequentially connected in series in a path which connects an input terminal and one of two output terminals, and a transistor. The second capacitor is connected between one of a source region and a drain region and a gate electrode of the transistor. Further, the other one of the source region and the drain region and the other one of two output terminals are connected each other.
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Citations
18 Claims
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1. A semiconductor device comprising:
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a first capacitor; a second capacitor; a transistor; and a diode, wherein the first capacitor, the second capacitor, and the diode are connected in series in that order between an input terminal and a first output terminal, wherein the second capacitor is connected between one of source and drain regions and a gate electrode of the transistor, and wherein the other one of the source and drain regions of the transistor is connected to a second output terminal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A semiconductor device comprising:
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a first capacitor; a second capacitor; a third capacitor; a transistor; and a diode, wherein the first capacitor, the second capacitor, and the diode are connected in series in that order between an input terminal and a first output terminal, wherein the second capacitor is connected between one of source and drain regions and a gate electrode of the transistor, wherein the other one of the source and drain regions of the transistor is connected to a second output terminal, and wherein the third capacitor is connected between the first and second output terminals. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A semiconductor device comprising:
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a first capacitor; a second capacitor; a third capacitor; a transistor; a diode; and a resistor, wherein the first capacitor, the second capacitor, and the diode are connected in series in that order between an input terminal and a first output terminal, wherein the second capacitor is connected between one of source and drain regions and a gate electrode of the transistor, wherein the other one of the source and drain regions of the transistor is connected to a second output terminal, wherein the third capacitor is connected between the first and second output terminals, and wherein the resistor is connected between the gate electrode of the transistor and the first or second output terminal. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification