Integrated circuit with constant-voltage control circuit

Details Integrated circuit with constant-voltage control circuit Integrated circuit with constant-voltage control circuit

1992-09-29

1995-03-14

Stephan, Steven L.

Electricity: power supply or regulation systems

Output level responsive

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

G05F 140, G05F 144

Patent

active

053979796

ABSTRACT:
While a current control circuit is arranged outside an integrated circuit, a voltage detection circuit, a reference voltage generating circuit and an error amplifier circuit of a feedback system supplied with output voltage V via a terminal, together with a signal processing circuit, are integrated and miniaturized in the integrated circuit 103. Moreover, a terminal 103 is provided in order to connect a capacitor C from the outside. The output voltage V is stabilized by stabilizing a reference voltage signal R further to ensure high-precision signal processing. Thereby, an integrated circuit is provided incorporating a constant-voltage control circuit fit for precise signal processing even when only power at a voltage exceeding the withstand voltage of an integrated circuit is supplied and the integrated circuit is at the same time capable of contributing to the miniaturization of an apparatus in which it is used.

REFERENCES:
patent: 4827205 (1989-05-01), Hafner, Jr. et al.

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