Circuit configuration for generating a controlled output voltage

Details Circuit configuration for generating a controlled output voltage Circuit configuration for generating a controlled output voltage

1995-11-29

1997-08-05

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

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

323280, 323289, G05F 140, G05F 144, G05F 156

Patent

active

056546289

ABSTRACT:
A circuit configuration for generating a controlled output voltage from an uncontrolled input voltage, includes an input terminal for supplying the uncontrolled input voltage, and an output terminal for pickup of the controlled output voltage. A transistor has a load current path being connected between the input terminal and the output terminal. A controlled-gain amplifier has an input terminal for receiving the controlled output voltage and has an output terminal. A capacitor couples the output terminal of the controlled-gain amplifier with a control terminal of the transistor. A current source for discharging the capacitor is controllable by the controlled-gain amplifier. A charge pump has an output terminal for an increased voltage being connected to the control terminal of the transistor, for supplying an output voltage being controllable by the controlled-gain amplifier.

REFERENCES:
patent: 5387882 (1995-02-01), Schoofs
patent: 5552697 (1996-09-01), Chan
patent: 5592120 (1997-01-01), Palmer et al.
Electronic Design, Oct. 14, 1993, "Microcontroller Switches 5-A, 60-V Current Pulses" Goodenough pp. 71-79.
Halbleiterschaltungsstechnik [Semiconductor Circuitry], 9th Ed 1991, Chapter 18.3.4, pp. 547-549 (Tietze-Schenk).

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