JPS6114892U - Overcurrent protection circuit - Google Patents
Overcurrent protection circuitInfo
- Publication number
- JPS6114892U JPS6114892U JP9780584U JP9780584U JPS6114892U JP S6114892 U JPS6114892 U JP S6114892U JP 9780584 U JP9780584 U JP 9780584U JP 9780584 U JP9780584 U JP 9780584U JP S6114892 U JPS6114892 U JP S6114892U
- Authority
- JP
- Japan
- Prior art keywords
- output transistor
- output
- overcurrent
- prevention means
- load
- 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
- Dc-Dc Converters (AREA)
- Protection Of Static Devices (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図は本考案の一実施例を示す回路図、第２−図は本
考亭に係る出力トランジ又タのエミツタ電圧を示す波形
図、第３図は従来例を示す回路図である。
６・・・出力トランジスタ、７・・・過電流防止用トラ
ンジスタ、１５・・・負荷、２０， ２２， ２３・・
・制御 −回路、２５・・・検出素子。FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a waveform diagram showing the emitter voltage of an output transistor according to the present invention, and FIG. 3 is a circuit diagram showing a conventional example. 6... Output transistor, 7... Overcurrent prevention transistor, 15... Load, 20, 22, 23...
- Control - circuit, 25... detection element.
Claims (1)
て負荷に供給する出力トランジスタを有し、該出力トラ
ンジスタの所定レベルを越える振幅の−出力に応答して
前記出力トランジスタに制御出力を送出し、前記出力ト
ランジスタを非動作に制御して、前記出力トランジスタ
に振幅の大きい過電流が流れないようにする過電流防止
手段を有する′スイッチング電源回路において、 前記出力トランジスタの入力側の電流線路に配置される
檜出素子と、該検出素手の端子間電圧の− 所定レベル
に応じて検出出力を前記過電流防止手段に出合して、前
記出力トランジスタに平均的に直流レベルの高い過電流
が流れないように前記過電流防止手段を制御する制御回
路とを具備したこ[Claims for Utility Model Registration] It has an output transistor that consistently supplies the load to the load by switching the input DC voltage, and in response to the -output of the output transistor whose amplitude exceeds a predetermined level, In the switching power supply circuit, the switching power supply circuit includes an overcurrent prevention means for transmitting a control output to an input terminal of the output transistor, and controlling the output transistor to be inactive to prevent a large-amplitude overcurrent from flowing through the output transistor. A detection output is delivered to the overcurrent prevention means according to a predetermined level of the voltage between the terminals of the detecting element arranged on the side current line and the detecting bare hand, and an average DC level is applied to the output transistor. and a control circuit that controls the overcurrent prevention means to prevent high overcurrent from flowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9780584U JPS6114892U (en) | 1984-06-29 | 1984-06-29 | Overcurrent protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9780584U JPS6114892U (en) | 1984-06-29 | 1984-06-29 | Overcurrent protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6114892U true JPS6114892U (en) | 1986-01-28 |
Family
ID=30657364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9780584U Pending JPS6114892U (en) | 1984-06-29 | 1984-06-29 | Overcurrent protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6114892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0612821U (en) * | 1992-07-17 | 1994-02-18 | 株式会社芋谷工業 | Hinge pin |
-
1984
- 1984-06-29 JP JP9780584U patent/JPS6114892U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0612821U (en) * | 1992-07-17 | 1994-02-18 | 株式会社芋谷工業 | Hinge pin |
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