Voltage regulator start-up circuit

Details Voltage regulator start-up circuit Voltage regulator start-up circuit

1987-04-02

1988-04-26

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

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

323901, 323907, G05F 320

Patent

active

047407425

ABSTRACT:
A start-up circuit for a voltage regulator having a first current mirror for providing start-up current and a second current mirror responsive to voltage output from said regulator for turning off said first current mirror when said regulator is close to regulation. The circuitry providing start-up current and the circuitry turning off the start-up current having substantially the same temperature coefficients.

REFERENCES:
patent: 4051392 (1977-09-01), Rosenthal et al.
patent: 4333047 (1982-06-01), Flink
patent: 4476428 (1984-10-01), Iwasawa et al.
patent: 4567426 (1986-01-01), van de Plassche et al.

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