Regulated power supply circuit

Details Regulated power supply circuit Regulated power supply circuit

1998-09-24

1999-07-27

Nguyen, Matthew

Electricity: power supply or regulation systems

Self-regulating

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

330257, G05F 316, H03H 345

Patent

active

059296232

ABSTRACT:
A regulated power source circuit is provided with a current output circuit including a drive stage transistor which operates when receiving at the input side thereof an output signal from one of transistor for differential operation in a differential amplifier circuit, a current output stage transistor which is driven by the drive stage transistor and a detection circuit which detects a drive current value of the drive stage transistor, and further a dummy circuit which causes to output from the other transistor forming a pair with the one transistor in the differential amplifier circuit a current the value of which is substantially equal to that of the current outputted from the one transistor in the differential amplifier circuit to the drive stage transistor when a detection signal from the detection circuit is received.

REFERENCES:
patent: 5327100 (1994-07-01), Stockstad et al.
patent: 5422600 (1995-06-01), Petty et al.
patent: 5589794 (1996-12-01), McClure
patent: 5637993 (1997-06-01), Whitney et al.
patent: 5786729 (1998-06-01), Smith

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