Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1994-07-22
1995-12-26
Nguyen, Matthew V.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
323288, G05F 140, G05F 144
Patent
active
054790883
ABSTRACT:
The DC-DC converter is disclosed, which has an output terminal connected to an external load, and produces a desired output voltage at the output terminal. An output capacitor in the converter has a first electrode connected to the output terminal and a second electrode. The charge/discharge regulator controls electrical connection between a DC power supply and the output capacitor to permit the capacitor to be charged or discharged. The DC-DC converter includes a first detecting circuit for detecting a change in the output voltage at the output terminal, and a second detecting circuit for detecting a variable load current flowing into the converter from the load via the output terminal. A voltage control circuit is provided in the converter, and controls a potential of the second electrode of the capacitor in such a manner as to nullify a variation in the output voltage, based on a result of detection of the output voltage by the first detecting circuit and on a result of detection of the load current by the second detecting circuit.
REFERENCES:
patent: 4311956 (1982-01-01), Tolmie
patent: 4413224 (1983-11-01), Krupka et al.
patent: 4785262 (1988-11-01), Ryu et al.
patent: 5087827 (1992-02-01), Hadwin
patent: 5373225 (1994-12-01), Poletto et al.
patent: 5389871 (1995-02-01), Otake
patent: 5399958 (1995-03-01), Iyoda
Hayakawa Toshiyuki
Ito Hidenobu
Nakagawa Shin-ichi
Fujitsu Limited
Fujitsu VLSI Limited
Nguyen Matthew V.
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