Temperature and power supply independent voltage reference for i

Details Temperature and power supply independent voltage reference for i Temperature and power supply independent voltage reference for i

1987-04-24

1988-11-15

Salce, Patrick R.

Electricity: power supply or regulation systems

Self-regulating

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

307317A, 307491, G05F 318

Patent

active

047852305

ABSTRACT:
A voltage reference circuit which includes a first diode having a first predetermined forward voltage drop as a function of current, a second diode having a second predetermined forward voltage drop as a function of current, lower by a preselected amount than said first diode voltage drop and connected to a voltage reference node and to one end of said first diode. A resistor is connected to the voltage reference node and to another end of the first diode such that the second diode and the resistor form a current path around the first diode. The arrangement is such that the temperature coefficient of voltage at the voltage reference node is less than that across the first diode.

REFERENCES:
patent: 3648153 (1972-03-01), Graf
patent: 3900344 (1975-08-01), Magdo
patent: 3968272 (1976-07-01), Anand
patent: 4107835 (1978-08-01), Bindell et al.
patent: 4179533 (1979-12-01), Christou et al.
patent: 4426655 (1984-01-01), Bhatia et al.
patent: 4542331 (1985-09-01), Boyer
patent: 4635230 (1987-01-01), Thomas et al.
patent: 4686449 (1987-08-01), Jeffrey et al.

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