JPS5836409U - constant voltage circuit - Google Patents
constant voltage circuitInfo
- Publication number
- JPS5836409U JPS5836409U JP12836881U JP12836881U JPS5836409U JP S5836409 U JPS5836409 U JP S5836409U JP 12836881 U JP12836881 U JP 12836881U JP 12836881 U JP12836881 U JP 12836881U JP S5836409 U JPS5836409 U JP S5836409U
- Authority
- JP
- Japan
- Prior art keywords
- output terminal
- voltage circuit
- transistor
- constant voltage
- 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
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は先行技術の電気回路図、第２図は第１図に示さ
れた先行技術の動作を説明するためのグラフ、第３図は
本考案の一実施例の電気回路図、第４図は第３図に示さ
れた実施例の動作を説明するためのグラフである。
゛
１・・・・・・入力端子、２・・・・・・第１出力端子
、３・・・・・・第２出力端子、４・・・・・・演算増
幅器、Ｒ１−Ｒ４・・・・・・抵抗、Ｄ１〜Ｄ３・・・
・・・ツェナダイオード、Ｑ・・・・・・トランジスタ
。FIG. 1 is an electrical circuit diagram of the prior art, FIG. 2 is a graph for explaining the operation of the prior art shown in FIG. 1, FIG. 3 is an electrical circuit diagram of an embodiment of the present invention, and FIG. The figure is a graph for explaining the operation of the embodiment shown in FIG.
゛1...Input terminal, 2...First output terminal, 3...Second output terminal, 4...Operation amplifier, R1-R4... ...Resistance, D1 to D3...
...Zena diode, Q...transistor.
Claims (1)
逆方向性結合されたツェナダイオードとを直列にこの順
序で介在し、第１出力端子の電圧が一定となるようにト
ランジスタのインピーダンスを制御し、トランジスタと
ツェナダイオードとの接続点を第２出力端子に接続し、
ツェナダイオードのブレイクダウン電圧は第２出力端子
から導出される電圧よりも低く選ばれることを特徴とす
る定電圧回路。, a transistor between the input terminal and the first output terminal,
Reversely coupled Zener diodes are interposed in series in this order, the impedance of the transistor is controlled so that the voltage at the first output terminal is constant, and the connection point between the transistor and the Zener diode is connected to the second output terminal. connect to,
A constant voltage circuit characterized in that the breakdown voltage of the Zener diode is selected to be lower than the voltage derived from the second output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12836881U JPS5836409U (en) | 1981-08-28 | 1981-08-28 | constant voltage circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12836881U JPS5836409U (en) | 1981-08-28 | 1981-08-28 | constant voltage circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5836409U true JPS5836409U (en) | 1983-03-09 |
Family
ID=29922069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12836881U Pending JPS5836409U (en) | 1981-08-28 | 1981-08-28 | constant voltage circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5836409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63153613A (en) * | 1986-12-17 | 1988-06-27 | Hitachi Ltd | Power source stabilizing circuit |
-
1981
- 1981-08-28 JP JP12836881U patent/JPS5836409U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63153613A (en) * | 1986-12-17 | 1988-06-27 | Hitachi Ltd | Power source stabilizing circuit |
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