Voltage regulating circuit for producing a voltage reference wit

Details Voltage regulating circuit for producing a voltage reference wit Voltage regulating circuit for producing a voltage reference wit

1999-06-18

2000-09-05

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323281, G05F 316

Patent

active

061148458

ABSTRACT:
A voltage regulator circuit produces a voltage reference with high line rejection even for low values of the supply voltage. The regulator is of the type that produces a regulated voltage value for a bandgap voltage generator and includes a regulation circuit portion and a reference circuit portion. The regulation circuit portions is supplied with the supply voltage and has an output at which the regulated voltage value is produced and an input that receives a voltage reference. The reference circuit portion produces the voltage reference and includes a first circuit leg that receives the supply voltage through a controlled switch and a second circuit leg that receives the regulated voltage value.

REFERENCES:
patent: 4260946 (1981-04-01), Wheatley, Jr.
patent: 5084665 (1992-01-01), Dixon et al.
patent: 5168209 (1992-12-01), Thiel, V

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