Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2005-02-18
2008-08-12
Laxton, Gary L (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
C323S316000, C361S018000
Reexamination Certificate
active
07411376
ABSTRACT:
A voltage regulator has a sense transistor through which a sense current flows in accordance with a magnitude of a load current, and a sense resistor through which the sense current flows. A control transistor controls the load current in accordance with a voltage across the sense resistor. A current measurement transistor measures the sense current flowing through the sense transistor and is disposed adjacent to the sense transistor. A measuring characteristics transistor measures characteristics of the control transistor and is disposed adjacent to the control transistor.
REFERENCES:
patent: 6201674 (2001-03-01), Warita et al.
patent: 6751148 (2004-06-01), Kang
patent: 7019581 (2006-03-01), Potanin et al.
patent: 2003/0011952 (2003-01-01), Fukui
Adams & Wilks
Laxton Gary L
Ramadan Ramy
Seiko Instruments Inc.
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