NPN bandgap voltage generator

Details NPN bandgap voltage generator NPN bandgap voltage generator

1985-07-31

1986-12-09

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323316, 323907, G05F 320

Patent

active

046282483

ABSTRACT:
An all NPN bandgap voltage reference is provided that includes a Widlar type temperature coefficient compensation circuit. A pair of NPN differentially connected transistors maintain a constant current in the Widlar circuit over variations in power supply voltage V.sub.EE while causing an increase in current in the Widlar circuit as temperature increases for maintaining a constant output voltage.

REFERENCES:
patent: 4249122 (1981-02-01), Widlar
patent: 4249123 (1981-02-01), Kwan
patent: 4313083 (1982-01-01), Gilbert et al.
patent: 4348633 (1982-09-01), Davis

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