JPS60144312U - Transistor overcurrent protection circuit - Google Patents
Transistor overcurrent protection circuitInfo
- Publication number
- JPS60144312U JPS60144312U JP2931984U JP2931984U JPS60144312U JP S60144312 U JPS60144312 U JP S60144312U JP 2931984 U JP2931984 U JP 2931984U JP 2931984 U JP2931984 U JP 2931984U JP S60144312 U JPS60144312 U JP S60144312U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- protection circuit
- overcurrent protection
- transistor overcurrent
- effect transistor
- 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
- Amplifiers (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来の演算増幅器終段トランジスタの過電流
保護回路図、第２図は、本考案の一実施例の終段トラン
ジスタの過電流保護回路図である。 ゛
１・・・被保護パワートランジスタ、４・・・電圧源、
５・・・論理反転回路、６，７・・・トランジスタ、訃
・・コンデンサ、１２・・・ダイオード、１３・・・電
界効果トランジスタ。FIG. 1 is a diagram of an overcurrent protection circuit of a conventional final stage transistor of an operational amplifier, and FIG. 2 is a diagram of an overcurrent protection circuit of a final stage transistor of an embodiment of the present invention.゛1...Protected power transistor, 4...Voltage source,
5...Logic inversion circuit, 6,7...transistor,...capacitor, 12...diode, 13...field effect transistor.
Claims (1)
ーエミッタ間に並列に接続された二本以上の抵抗と、こ
の抵抗分圧電圧によって動作させる様に作られた電算効
果形トランジスタと、この電界効果形トランジスタの機
能全必要時殺す事ができる機能としてのダイオードを設
けたことを特徴とするトランジスタの過電流保護回路。In the transistor, there are two or more resistors connected in parallel between the collector and emitter of the transistor to be protected, a calculation effect transistor made to be operated by the voltage divided by these resistors, and this field effect transistor. A transistor overcurrent protection circuit characterized by having a diode as a function that can kill all functions when necessary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2931984U JPS60144312U (en) | 1984-03-02 | 1984-03-02 | Transistor overcurrent protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2931984U JPS60144312U (en) | 1984-03-02 | 1984-03-02 | Transistor overcurrent protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60144312U true JPS60144312U (en) | 1985-09-25 |
Family
ID=30528019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2931984U Pending JPS60144312U (en) | 1984-03-02 | 1984-03-02 | Transistor overcurrent protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60144312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359415U (en) * | 1986-10-06 | 1988-04-20 |
-
1984
- 1984-03-02 JP JP2931984U patent/JPS60144312U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6359415U (en) * | 1986-10-06 | 1988-04-20 |
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