JPS62132689U

JPS62132689U -

Info

Publication number: JPS62132689U
Application number: JP1781186U
Authority: JP
Priority date: 1986-02-10
Filing date: 1986-02-10
Publication date: 1987-08-21

Description

[Brief explanation of the drawing]

第１図はこの考案に係る直流電源装置の一実施
例を示す回路図、第２図は同実施例の出力電流対
出力電圧の特性を示す特性図、第３図は従来の直
流電源装置の構成を示す回路図、第４図は第３図
の装置の出力電流対出力電圧の特性を示す特性図
である。１１……直流電圧入力端子、１２……直流交流
変換部、１３……第１の整流回路、１４……第２
の整流回路、１５……電圧制御回路、１６，１７
……出力端子、１８……定電圧制御回路。 Fig. 1 is a circuit diagram showing an embodiment of the DC power supply according to this invention, Fig. 2 is a characteristic diagram showing the characteristics of the output current versus output voltage of the same embodiment, and Fig. 3 is a diagram showing the characteristics of the conventional DC power supply. A circuit diagram showing the configuration, and FIG. 4 is a characteristic diagram showing the characteristics of the output current versus output voltage of the device of FIG. 3. 11...DC voltage input terminal, 12...DC/AC converter, 13...first rectifier circuit, 14...second
rectifier circuit, 15...voltage control circuit, 16, 17
...Output terminal, 18... Constant voltage control circuit.

Claims

[Scope of utility model registration request]

a first rectifier circuit that provides a low voltage DC output;
a second rectifier circuit that provides a high voltage DC output; a first output terminal connected to the high potential side output terminal of the first rectifier circuit; and a first output terminal connected to the low potential side output terminal of the second rectifier circuit. a first transistor and a first resistor connected between a low potential side output terminal and a high potential side output terminal of the first rectifier circuit; a second transistor and a second resistor connected between a high potential side output terminal of the rectifier circuit and a low potential side output terminal of the first rectifier circuit; and a low potential side output terminal of the second rectifier circuit. The voltage generated between the diode connected between the bases of the first transistor, the high-potential output terminal of the first rectifier circuit, and the low-potential output terminal of the second rectifier circuit is detected as a reference. A DC power supply device comprising: a constant voltage control circuit that compares the voltage with the base current of the second transistor and controls the base current of the second transistor.