Control circuit for switching power supply device and...

Details Control circuit for switching power supply device and... Control circuit for switching power supply device and...

2005-01-04

2005-01-04

Berhane, Adolf (Department: 2838)

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

Reexamination Certificate

active

06838784

ABSTRACT:
The present invention relates to a control circuit for a switching power supply device that is adapted to drive two or more loads and can quickly eliminate a voltage difference occurring between the two or more loads. The control circuit for a switching power supply device has an output terminal that is to be connected to a power supply terminal of a first load by a first wiring and a power supply terminal of a second load by a second wiring. The control circuit comprises a first control loop for stabilizing an output voltage appearing at the output terminal and a second control loop for eliminating a difference between a first voltage appearing at the first wiring in a vicinity of the power supply terminal of the first load and a second voltage appearing at the second wiring in a vicinity of the power supply terminal of the second load.

REFERENCES:
patent: 4129788 (1978-12-01), Chavannes
patent: 5128595 (1992-07-01), Hara
patent: 5481140 (1996-01-01), Maruyama et al.

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