JPS63117285U - - Google Patents
Info
- Publication number
- JPS63117285U JPS63117285U JP601087U JP601087U JPS63117285U JP S63117285 U JPS63117285 U JP S63117285U JP 601087 U JP601087 U JP 601087U JP 601087 U JP601087 U JP 601087U JP S63117285 U JPS63117285 U JP S63117285U
- Authority
- JP
- Japan
- Prior art keywords
- control element
- semiconductor control
- inverting input
- input terminal
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims 7
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来の定電圧電源回路の一例を示す回路図で
ある。
１……第１整流回路、２……第２整流回路、Ａ
１〜Ａ４……オペアンプ、ＤＺ……ツエナーダイ
オード、Ｑ１〜Ｑ５……トランジスタ、Ｚ１〜Ｚ
５……負荷。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a circuit diagram showing an example of a conventional constant voltage power supply circuit. 1...First rectifier circuit, 2...Second rectifier circuit, A
1 to A4 ...Operation amplifier, DZ...Zener diode, Q1 to Q5 ...Transistor, Z1 to Z
5 ...Load.
Claims (1)
された第１の半導体制御素子と、 前記第１の半導体制御素子および第１の負荷の
共通接続点と接地間に抵抗を介して接続された定
電圧ダイオードと、 前記定電圧ダイオードの端子電圧が非反転入力
端子に、前記第１の半導体制御素子の出力電圧に
比例した電圧が反転入力端子に各々供給されると
ともに、該両入力電圧の偏差量に基づいて前記第
１の半導体制御素子を制御する第１の演算増幅器
と、 前記第１の演算増幅器の非反転入力端子と接地
間を結ぶ電路の開閉を行うスイツチと、 前記定電圧ダイオードに供給される電流を一定
に制御する第２の演算増幅器を有する定電流回路
と、 第２の整流回路と複数の第２の負荷を結ぶ電路
に介挿された第２の半導体制御素子と、 前記第２の半導体制御素子の出力電圧が反転入
力端子に、前記定電圧ダイオードの端子電圧が非
反転入力端子に各々供給されるとともに、該両入
力電圧の偏差量に基づいて前記第２の半導体制御
素子を制御する第３の演算増幅器とを備えたこと
を特徴とする定電圧電源回路。[Claims for Utility Model Registration] A first semiconductor control element inserted in an electric path connecting a first rectifier circuit and a first load, and a common connection point between the first semiconductor control element and the first load. and a constant voltage diode connected through a resistor between the constant voltage diode and the ground, a terminal voltage of the constant voltage diode is connected to the non-inverting input terminal, and a voltage proportional to the output voltage of the first semiconductor control element is connected to the inverting input terminal, respectively. a first operational amplifier that controls the first semiconductor control element based on the amount of deviation between the two input voltages; and an electric line connecting the non-inverting input terminal of the first operational amplifier and ground. A constant current circuit having a switch for opening and closing, a second operational amplifier for controlling the current supplied to the constant voltage diode at a constant level, and a constant current circuit inserted in an electric line connecting a second rectifier circuit and a plurality of second loads. the output voltage of the second semiconductor control element is supplied to the inverting input terminal, the terminal voltage of the voltage regulator diode is supplied to the non-inverting input terminal, and the output voltage of the second semiconductor control element is supplied to the non-inverting input terminal. and a third operational amplifier that controls the second semiconductor control element based on the amount of deviation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP601087U JPS63117285U (en) | 1987-01-21 | 1987-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP601087U JPS63117285U (en) | 1987-01-21 | 1987-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63117285U true JPS63117285U (en) | 1988-07-28 |
Family
ID=30788122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP601087U Pending JPS63117285U (en) | 1987-01-21 | 1987-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63117285U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52139940A (en) * | 1976-05-17 | 1977-11-22 | Nec Corp | Constant voltage power source device |
| JPS5468582A (en) * | 1977-10-11 | 1979-06-01 | Reynolds Tobacco Co R | Apparatus for brining aerosol flow into contact with liquid |
| JPS6029817A (en) * | 1983-07-29 | 1985-02-15 | Toshiba Corp | Reference voltage generator |
-
1987
- 1987-01-21 JP JP601087U patent/JPS63117285U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52139940A (en) * | 1976-05-17 | 1977-11-22 | Nec Corp | Constant voltage power source device |
| JPS5468582A (en) * | 1977-10-11 | 1979-06-01 | Reynolds Tobacco Co R | Apparatus for brining aerosol flow into contact with liquid |
| JPS6029817A (en) * | 1983-07-29 | 1985-02-15 | Toshiba Corp | Reference voltage generator |
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