Voltage regulator having reverse voltage protection and...

Details Voltage regulator having reverse voltage protection and... Voltage regulator having reverse voltage protection and...

2008-07-01

2008-07-01

Li, Meiya (Department: 2811)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S536000, C327S537000, C257S392000, C257S355000, C365S185180, C365S185210, C365S185230, C326S030000, C363S060000, C323S281000

Reexamination Certificate

active

07394307

ABSTRACT:
A voltage regulator having a MOS transistor driver includes a p-channel MOS transistor at a voltage input terminal Vin and a p-channel MOS transistor at a voltage output terminal Vout. A drain of the input side p-channel MOS transistor is connected to the voltage input terminal Vin. A threshold voltage or a voltage lower than the threshold voltage is applied to a gate of the input side p-channel MOS transistor. A drain of the output side p-channel MOS transistor is connected to the voltage output terminal Vout. A current flowing through the input side p-channel MOS transistor drives a voltage regulator circuit and the output side p-channel MOS transistor.

REFERENCES:
patent: 5376840 (1994-12-01), Nakayama
patent: 5561385 (1996-10-01), Choi
patent: 6046624 (2000-04-01), Nam et al.
patent: 2002/0053943 (2002-05-01), Yamasaki et al.
patent: 2002/0118568 (2002-08-01), Tanzawa
patent: 2003/0112056 (2003-06-01), Tanzawa et al.
patent: 04-162111 (1992-06-01), None
patent: 2002-268758 (2002-09-01), None
http://www.core.org.cn/CN—NR/rdonlyres/Electrical-Engineering-and Computer-Science/6-012Microelectronic-Devices-and-CircuitsSpring2003/F7C787D1-1FC3-41D4-898C-5D83C7A5A228/0/lecture13.pdf.

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