Electricity: power supply or regulation systems – External or operator controlled – Using a three or more terminal semiconductive device as the...
Patent
1984-04-02
1986-07-01
Wong, Peter S.
Electricity: power supply or regulation systems
External or operator controlled
Using a three or more terminal semiconductive device as the...
323282, G05F 110
Patent
active
045982449
ABSTRACT:
A switching regulator which operates with low power consumption, which includes an input power supply source for supplying an unregulated DC voltage; an output network for supplying a load with a regulated DC voltage, the output network being coupled to a first terminal of the input power supply source; a switching element coupled to a second terminal of the input power supply source; an inductor connected between the output network and the switching element; the inductor, the output network and the switching element being connected in series relationship across the input power supply source; a first capacitor connected between the inductor and the first end of the input power supply source in parallel with the output network for smoothing the current flowing through the output network; a transistor connected at its collector-emitter path between said switching element and the first terminal of the input power supply source in parallel with the series circuit of the output network and the inductor, the transistor being connected in reverse polarity with regard to the input power supply source, and circuit means for biasing the base of the transistor, the base biasing circuit means being connected between the first terminal of the input power supply source and the switching element.
REFERENCES:
patent: 4513360 (1985-04-01), Ikenoue et al.
"Application Report for Switching Regulator," Published by Texas Instruments Asia Limited.
"Audio/Radio Handbook," Published by National Semiconductor Corporation, 1980.
Majima Shin-ichi
Ogawa Atsushi
Jones Judson H.
Kabushiki Kaisha Toshiba
Wong Peter S.
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