Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1990-12-31
1991-12-31
Beha, Jr., William H.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
3072968, 323313, 323280, 323281, 323303, 365226, G05F 1565, G05F 324
Patent
active
050775189
ABSTRACT:
There is provided a source voltage control circuit including a reference voltage generating circuit with a negative feedback circuit, a source voltage level sensing circuit for increasing the internal source voltage when the external voltage exceeds a given voltage, a first differential amplifying circuit for active operation, and a second differential amplifying circuit for stand-by operation, whereby a stable internal source voltage is produced and the slope of the internal source voltage is readily adjusted when the external source voltage exceeds the given value. The first differential amplifying circuit receives the reference voltage and the internal source voltage, controlled by a first control signal and the output of the source voltage level sensing circuit. The second differential amplifying circuit receives the reference voltage and the internal source voltage, controlled by a second control signal.
REFERENCES:
patent: 4716307 (1987-12-01), Aoyama
patent: 4868483 (1989-09-01), Tsujimoto
Blumberg et al., "Voltage Reference Supply", IBM Tech. Discl. Bul., vol. 16, No. 3, pp. 1015, 1016, Aug. 1973.
"Voltage Regulator Power Reduction", IBM Tech. Discl. Bul., vol. 32, No. 12, pp. 216, 217, May 1990.
Beha Jr. William H.
Bushnell Robert E.
Samsung Electronics Co,. Ltd.
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