Reference voltage generating circuit

Details Reference voltage generating circuit Reference voltage generating circuit

1993-09-01

1996-05-07

Sterrett, Jeffrey L.

Electricity: power supply or regulation systems

Self-regulating

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

323907, 327539, 327541, G05F 316

Patent

active

055149480

ABSTRACT:
A constant current is produced by a first MOSFET of depletion type whose source and gate are interconnected and then is passed through a current mirror circuit made up of MOSFETs of the opposite conduction type with respect to the first MOSFET and to a second MOSFET which has the same conduction type as the first MOSFET and whose gate and drain are interconnected. The voltage between the gate and the source of the second MOSFET is taken as an output constant voltage, which is temperature-compensated by the current ratio of the current mirror circuit.

REFERENCES:
patent: 4814686 (1989-03-01), Watanabe

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