Rectifier circuit and power supply unit
AssigneeSharp Kabushiki Kaisha
InventorTakeshi Shiomi
Life of this patent
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Abstract
A rectifier circuit is used that includes a high withstand voltage transistor, a low withstand voltage transistor, and a control transistor. The high withstand voltage transistor has a reference terminal thereof connected to a high voltage terminal of the low withstand voltage transistor, and the high withstand voltage transistor has a control terminal thereof connected to a reference terminal of the low withstand voltage transistor via a capacitor. The control transistor has a high voltage terminal thereof connected to the control terminal of the high withstand voltage transistor, a reference terminal thereof connected to the reference terminal of the low withstand voltage transistor, and a control terminal thereof connected to the high voltage terminal of the low withstand voltage transistor.
Claims4
A rectifier circuit comprising a high withstand voltage transistor, a low withstand voltage transistor, and a control transistor, wherein
- the high withstand voltage transistor includes a reference terminal connected to a high voltage terminal of the low withstand voltage transistor,
- the high withstand voltage transistor includes a control terminal connected to a reference terminal of the low withstand voltage transistor via a capacitor, and
- the control transistor includes:
- a high voltage terminal connected to the control terminal of the high withstand voltage transistor;
- a reference terminal connected to the reference terminal of the low withstand voltage transistor;
- and
- a control terminal connected to the high voltage terminal of the low withstand voltage transistor.
Dependencies are inferred from the claim text.