JPS6034620U - Overcurrent protection circuit - Google Patents
Overcurrent protection circuitInfo
- Publication number
- JPS6034620U JPS6034620U JP12474583U JP12474583U JPS6034620U JP S6034620 U JPS6034620 U JP S6034620U JP 12474583 U JP12474583 U JP 12474583U JP 12474583 U JP12474583 U JP 12474583U JP S6034620 U JPS6034620 U JP S6034620U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- circuit
- output
- error amplifier
- whose
- 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)
- 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図は従来直列制御形直流安定化電源と過電流保護回
路の回路図。第２図は来者案実施例制御形直流安定化電
源と過電流保護回路の回路図。
１・・・入力電源、２．７．９． １０． １１．２４
・・・抵抗器、３，４，５．２１・・・トランジスタ、
６．２３・・・増幅器、８・・・基準電圧、２２・・・
ダイオード。Figure 1 is a circuit diagram of a conventional series-controlled DC stabilized power supply and overcurrent protection circuit. Figure 2 is a circuit diagram of a controlled DC stabilized power supply and an overcurrent protection circuit according to the visitor's proposal. 1... Input power supply, 2.7.9. 10. 11.24
...Resistor, 3,4,5.21...Transistor,
6.23...Amplifier, 8...Reference voltage, 22...
diode.
Claims (1)
・エミッタ回路が接続された第一のトランジスタ４と、 出力負荷回路の両端子電圧に比例する電圧を基準電圧と
比較する第一の誤差増幅器６と、この第一の誤差増幅器
の出力がベースに接続されコレクタ出力が上記第一のト
ランジスタのベースを制御するように構成された第二の
トランジスタ５と を備えた直流安定化電源装置において、出力負荷電流の
通路に挿入された抵抗値の小さい抵抗器２４と、 この抵抗器の両端電圧を入力とする第二の誤差増幅器２
３と、 この第二の誤差増幅器の出力によりベース電流が制御さ
れそのコレクタ回路が上記第二のトランジスタのエミッ
タ回路と直列に接続された第三のトランジスタ２１と を備えたことを特徴とする過電流保護回路。[Claims for Utility Model Registration] The first transistor 4 has a collector-emitter circuit connected between one end of the input power supply and one end of the output load circuit, and a voltage proportional to the voltage at both terminals of the output load circuit is the reference. a first error amplifier 6 for comparing the voltage; and a second transistor 5 whose base is connected to the output of the first error amplifier and whose collector output controls the base of the first transistor. In the DC stabilized power supply device, a resistor 24 with a small resistance value is inserted into the path of the output load current, and a second error amplifier 2 whose input is the voltage across this resistor.
3, and a third transistor 21 whose base current is controlled by the output of the second error amplifier and whose collector circuit is connected in series with the emitter circuit of the second transistor. Current protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12474583U JPS6034620U (en) | 1983-08-11 | 1983-08-11 | Overcurrent protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12474583U JPS6034620U (en) | 1983-08-11 | 1983-08-11 | Overcurrent protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6034620U true JPS6034620U (en) | 1985-03-09 |
Family
ID=30284253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12474583U Pending JPS6034620U (en) | 1983-08-11 | 1983-08-11 | Overcurrent protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6034620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0225401U (en) * | 1988-08-08 | 1990-02-20 | ||
| JPH057603U (en) * | 1991-07-08 | 1993-02-02 | 正二 湯山 | Tablet feeder |
-
1983
- 1983-08-11 JP JP12474583U patent/JPS6034620U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0225401U (en) * | 1988-08-08 | 1990-02-20 | ||
| JPH057603U (en) * | 1991-07-08 | 1993-02-02 | 正二 湯山 | Tablet feeder |
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