Voltage stabilized power supply with capacitor isolation during

Details Voltage stabilized power supply with capacitor isolation during Voltage stabilized power supply with capacitor isolation during

1991-12-05

1993-09-07

Stephan, Steven L.

Electricity: power supply or regulation systems

Output level responsive

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

323274, 323281, 323313, G05F 156

Patent

active

052432718

ABSTRACT:
A power-supply arrangement comprises a reference circuit for generating a reference voltage (Vref). The reference circuit is coupled between a first (1) and a second (2) supply voltage terminal for receiving a supply voltage. A stabilizing circuit (4) generates a stabilization voltage (Vstab) related to the reference voltage and has an input terminal for receiving the reference voltage, a common terminal (7), and an output terminal for supplying the stabilization voltage. A switching stage (10) is switched depending on the supply voltage and comprises at least one switching element coupled between the input terminal and the common terminal. A current source is switched depending on the supply voltage and is coupled between the second supply voltage terminal and the common terminal. A capacitor is coupled between the common terminal and the first supply voltage terminal, and a buffer stage is coupled between the common terminal and the output terminal.

REFERENCES:
patent: 4555660 (1985-11-01), von Winicki
patent: 4658205 (1987-04-01), Yamada
patent: 4667145 (1987-05-01), Moreau
patent: 4731574 (1988-03-01), Melbert
patent: 4801860 (1989-01-01), Murari et al.
patent: 5030903 (1991-07-01), Bernard et al.

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