JPS58186793U - Overvoltage protection circuit - Google Patents
Overvoltage protection circuitInfo
- Publication number
- JPS58186793U JPS58186793U JP8163782U JP8163782U JPS58186793U JP S58186793 U JPS58186793 U JP S58186793U JP 8163782 U JP8163782 U JP 8163782U JP 8163782 U JP8163782 U JP 8163782U JP S58186793 U JPS58186793 U JP S58186793U
- Authority
- JP
- Japan
- Prior art keywords
- photothyristor
- overvoltage protection
- protection circuit
- coupler
- circuit
- 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
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
- Power Conversion In General (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図は従来の過電圧保護回路図、第２図は本考案の一
実施例を示す回路図である。
６；短絡トランジスタ、１１；フォトサイリスタカプラ
、１２；発光素子、１３；フォトサイリスタ、１４；ツ
ェナーダイオード。FIG. 1 is a conventional overvoltage protection circuit diagram, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. 6; short-circuit transistor; 11; photothyristor coupler; 12; light emitting element; 13; photothyristor; 14; Zener diode.
Claims (1)
りターンオンするフォトサイリスタと発光素子とからな
るフォトサイリスタカプラと、このカプラの発光素子側
回路に設定されたツェナーダイオードと、前記カプラの
フォトサイリスタ側出力によりスイッチング回路の動作
を停止させる短絡トランジスタとを具備したこぶを特徴
とする過電圧保護回路。A switching type power supply device includes a photothyristor coupler consisting of a photothyristor and a light emitting element that are turned on by irradiation with light, a Zener diode set in the light emitting element side circuit of this coupler, and switching by the photothyristor side output of the coupler. An overvoltage protection circuit featuring a hump with a shorting transistor that stops the circuit from operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8163782U JPS58186793U (en) | 1982-06-03 | 1982-06-03 | Overvoltage protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8163782U JPS58186793U (en) | 1982-06-03 | 1982-06-03 | Overvoltage protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58186793U true JPS58186793U (en) | 1983-12-12 |
Family
ID=30090736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8163782U Pending JPS58186793U (en) | 1982-06-03 | 1982-06-03 | Overvoltage protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58186793U (en) |
-
1982
- 1982-06-03 JP JP8163782U patent/JPS58186793U/en active Pending
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