Circuit and method for regulating a voltage

Details Circuit and method for regulating a voltage Circuit and method for regulating a voltage

1995-06-07

1997-07-01

Tso, Edward

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323279, G05F 140, G05F 144, G05F 156, G05F 1618

Patent

active

056442157

ABSTRACT:
A circuit regulates a voltage by controlling a voltage generator. A voltage divider is coupled between the regulated voltage and a supply voltage, and generates a sense voltage. A clamp circuit is coupled to the divider, and reduces the sensitivity between the supply voltage and the regulated voltage by substantially prohibiting the voltage across itself from exceeding a predetermined value A detector circuit is coupled between the divider and the voltage generator, and provides a control signal that deactivates the generator when the sense voltage reaches a first predetermined threshold, and activates the generator when the sense voltage reaches a second predetermined threshold.

REFERENCES:
patent: 4581546 (1986-04-01), Allan
patent: 4689651 (1987-08-01), Hanna et al.
patent: 4904885 (1990-02-01), Yamada et al.
patent: 4947058 (1990-08-01), Yarbrough et al.
patent: 4972104 (1990-11-01), Estrada
patent: 4975798 (1990-12-01), Edwards et al.

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