JPS629814U - - Google Patents
Info
- Publication number
- JPS629814U JPS629814U JP9758485U JP9758485U JPS629814U JP S629814 U JPS629814 U JP S629814U JP 9758485 U JP9758485 U JP 9758485U JP 9758485 U JP9758485 U JP 9758485U JP S629814 U JPS629814 U JP S629814U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- control element
- semiconductor control
- output
- 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 6
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の第１実施例を示す回路図、第
２図は本考案の第２実施例を示す回路図、第３図
は本考案の第３実施例を示す回路図、第４図は従
来の定電圧回路の一例を示す回路図である。
１，７，２１，３１…トランジスタ、２…差動
増幅器、３，４，５，１１，２２…抵抗、６，１
２…ツエナーダイオード、１４…ダイオード。
Fig. 1 is a circuit diagram showing a first embodiment of the invention, Fig. 2 is a circuit diagram showing a second embodiment of the invention, Fig. 3 is a circuit diagram showing a third embodiment of the invention, and Fig. 4 is a circuit diagram showing a third embodiment of the invention. The figure is a circuit diagram showing an example of a conventional constant voltage circuit. 1, 7, 21, 31... Transistor, 2... Differential amplifier, 3, 4, 5, 11, 22... Resistor, 6, 1
2...Zener diode, 14...diode.
Claims (1)
半導体制御素子と、この第１の半導体制御素子の
出力電圧に比例した電圧と所定の基準電圧との偏
差によつて動作する制御回路と、この制御回路の
基準電圧を降下させる第２の半導体制御素子とを
備え、前記制御回路の出力信号に基づいて第１の
半導体制御素子を制御することにより定電圧出力
を得るようにした定電圧回路において、前記第２
の半導体制御素子の導通時の飽和電圧よりも高い
電圧を、前記制御回路の入力端のうち第１の半導
体制御素子の出力電圧に比例した電圧が印加され
る側の入力端に供給する電圧供給回路を設けたこ
とを特徴とする定電圧回路のスイツチ回路。 A first semiconductor control element inserted in an electric path connecting a DC power supply and a load, and a control circuit that operates based on a deviation between a voltage proportional to the output voltage of the first semiconductor control element and a predetermined reference voltage. , a second semiconductor control element that lowers the reference voltage of the control circuit, and a constant voltage output is obtained by controlling the first semiconductor control element based on the output signal of the control circuit. In the circuit, the second
A voltage supply that supplies a voltage higher than the saturation voltage of the first semiconductor control element when it is conductive to the input terminal of the control circuit on the side to which a voltage proportional to the output voltage of the first semiconductor control element is applied. A constant voltage circuit switch circuit characterized by having a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9758485U JPS629814U (en) | 1985-06-28 | 1985-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9758485U JPS629814U (en) | 1985-06-28 | 1985-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS629814U true JPS629814U (en) | 1987-01-21 |
Family
ID=30964671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9758485U Pending JPS629814U (en) | 1985-06-28 | 1985-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS629814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181746A (en) * | 1984-09-27 | 1986-04-25 | 株式会社 神戸屋 | Rounded bottom bread mold |
| JP2006236223A (en) * | 2005-02-28 | 2006-09-07 | Aiphone Co Ltd | Interphone circuit power source power supply circuit |
-
1985
- 1985-06-28 JP JP9758485U patent/JPS629814U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181746A (en) * | 1984-09-27 | 1986-04-25 | 株式会社 神戸屋 | Rounded bottom bread mold |
| JP2006236223A (en) * | 2005-02-28 | 2006-09-07 | Aiphone Co Ltd | Interphone circuit power source power supply circuit |