Series transistor power supply regulator专利检索-倍增极电子零件及设备专利检索查询-专利查询网

Series transistor power supply regulator

阅读：259发布：2023-03-22

专利汇可以提供Series transistor power supply regulator专利检索，专利查询，专利分析的服务。并且A power supply regulator of the series transistor type employing a current limiter transistor circuit coupled to the output of the series transistor and a constant current supply comprising a transistor and Zener diode for supplying current to the current limiter transistor circuit, and a voltage multiplier circuit coupled to the rectifier circuit input of the regulator circuit, said constant current supply being coupled to said voltage multiplier circuit.，下面是Series transistor power supply regulator专利的具体信息内容。

权利要求

1. A series regulator circuit comprising a full wave rectifier circuit coupled to the AC input, an output line, a current regulating transistor coupled in series between said rectifier circuit and said output line; a current transistor circuit coupled between said series regulating transistor and said output line, and a constant current supply including a transistor and Zener diode coupled to said rectifier circuit for supplying current to the collector-emitter circuit of said current limiter transistor, the improvement comprising a voltage multiplier circuit coupled to said full wave rectifier circuit for producing a voltage higher than that coupled to said series transistor, the elevated voltage output of said voltage doubler circuit being coupled to said constant current supply.

2. A series regulator circuit as claimed in claim 1 wherein the collector-emitter circuit of said series regulator transistor is coupled in series between said rectifier circuit and said output line, a second transistor having its collector-emitter circuit coupled across the collector-base circuit of said series regulator transistor, the collector-emitter circuit of said current limiter transistor being coupled to the base of said second transistor to control the current flow through said second transistor and thus the current flow through said series regulator transistor.

3. A series regulator as claimed in claim 1 wherein said full wave rectifier circuit includes the secondary winding of an input transformer, said voltage doubler circuit comprising a first capacitor and first diode connected in series across said secondary winding, and a second capacitor and second diode connected in series between the junction of said first capacitor and said first diode and the high side of said rectifier circuit.

4. A series regulator circuit as claimed in claim 3 including a Zener diode and a resistor connected in series across said second capacitor, said constant current supply circuit being coupled to the junction between said Zener diode and resistor.

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Series transistor power supply regulator

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