Reference voltage-generating circuit

Details Reference voltage-generating circuit Reference voltage-generating circuit

1980-06-13

1982-03-09

Pellinen, A. D.

Electricity: power supply or regulation systems

Self-regulating

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

323315, G05F 320

Patent

active

043191800

ABSTRACT:
A reference voltage circuit which generates a reference voltage having a good temperature characteristic as a drive voltage for a semiconductor integrated circuit, wherein a constant current source is connected to a power supply terminal; the output terminal of the constant current source is grounded through series-connected resistors; the junction of the series-connected resistors is connected to the bases of first and second NPN transistors; the first transistor has its collector connected to the constant current source, and its emitter grounded; the second transistor has its collector connected to the emitter of a third NPN transistor and its emitter grounded through a resistor; the third transistor has its base connected to the constant current source and its collector connected to the power supply terminal; and a reference voltage is sent forth from the emitter of the third transistor.

REFERENCES:
patent: 3781648 (1973-12-01), Owens
patent: 3875430 (1975-04-01), Prak
patent: 4221979 (1980-09-01), Ahmed
patent: 4249091 (1981-02-01), Yamagiwa
Carroll et al., "Constant Voltage Reference Source", IBM TDB, vol. 20, No. 8, Jan. 1978, pp. 3056, 3057.
Widlar, "New Developments in IC Voltage Regulators", IEEE Journal of Solid-State Circuits, vol. SC-6, No. 1, Feb. 1971, pp. 2-7.
Brokaw, "A Simple Three-Terminal IC Bandgap Reference", IEEE Journal of Solid-State Circuits, vol. SC-9, No. 6, Dec. 1974, pp. 388-393.

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