Circuit for producing a reference voltage

Details Circuit for producing a reference voltage Circuit for producing a reference voltage

Filed on

1999-04-26

Date issued

2000-04-04

Examiner

Nguyen, Matthew

Patent Class

Electricity: power supply or regulation systems

SubClass

Self-regulating

SubSubClass

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

Other Related Categories

323315, G05F 316

Type

Patent

Status

active

Patent number

060465786

Description

ABSTRACT:
A circuit for producing a reference voltage produces the reference voltage by adding a number of forward voltages across corresponding pn junctions through which current flows, and a difference formed by two intermediate circuit voltages and multiplied by a corresponding factor. The two intermediate-circuit voltages correspond to summed voltages formed by a number of forward voltages across pn junctions which have different current densities flowing through them. In addition, the use of a corresponding compensation device makes it possible to compensate for a persistent parabolic temperature dependency of the resultant reference voltage.

REFERENCES:
patent: 4733160 (1988-03-01), Draxelmayr
patent: 5670868 (1997-09-01), Moriguchi et al.
patent: 5841270 (1998-11-01), Do et al.
patent: 5929616 (1999-07-01), Perraud et al.
International Patent Application WO 93/09597, dated May 13, 1993.

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