Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2003-08-26
2009-10-13
Laxton, Gary L (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
C323S285000
Reexamination Certificate
active
07602167
ABSTRACT:
A configurable voltage regulator (28; 128) operable in either of two selectable modes or topologies is disclosed. In one disclosed embodiment, the voltage regulator (28) can operate as a linear regulator or a switching regulator. A gate driver (35) and an error amplifier (36) is used in each mode. Configuration switches (34) are controlled by a configuration amplifier (40) to connect the error amplifier (36) to the gate driver (35) in the linear regulator mode, or to connect the error amplifier (36) to circuitry (42, 44, 46) for controlling the gate driver (35) in switching regulator mode. In another disclosed embodiment, the voltage regulator (128) generates a negative polarity regulated voltage according to a switching regulator or charge pump topology.
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patent: 5969512 (1999-10-01), Matsuyama
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ON Semiconductor CS5111 Data Sheet, Rev. 9 (Semiconductor Components Industries, LLC, Jan. 2001).
“Linear Regulators: Theory of Operation and Compensation”, App.Nt. 1148 (Nat'l Semiconductor, 2000).
“Linear and Switching Voltage Regulator Fundamentals” (National Semiconductor).
“DC/DC Conversion without Inductors”, APP 725 (Dallas Semiconductor, 2000).
Gunawan Sujanto
Trafton Frederick
Brady III Wade James
Laxton Gary L
Stephens Dawn V.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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