JPS58101229U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS58101229U JPS58101229U JP19302181U JP19302181U JPS58101229U JP S58101229 U JPS58101229 U JP S58101229U JP 19302181 U JP19302181 U JP 19302181U JP 19302181 U JP19302181 U JP 19302181U JP S58101229 U JPS58101229 U JP S58101229U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- operational amplifier
- overcurrent
- terminal
- 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
- Power Sources (AREA)
- Emergency Protection Circuit Devices (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図は従来の電源回路を示す回路図、第２図は本考案
に係る電源回路の実施例を示す回路図である。
１：演算増幅器、２：電源電圧休出端、３：過電流
−検出端、４：電圧検出回路、Ｄ、、″Ｄ２：整流素
子。FIG. 1 is a circuit diagram showing a conventional power supply circuit, and FIG. 2 is a circuit diagram showing an embodiment of the power supply circuit according to the present invention. 1: Operational amplifier, 2: Power supply voltage disconnection terminal, 3: Overcurrent
- Detection end, 4: Voltage detection circuit, D, ``D2: Rectifier.
Claims (1)
て、 上記過電流保護回路は過電流検出端段として、電源電圧
の検出端がその反転入力端に、上記過電流検出端がその
正相入力端に夫々接続されている演算増幅器が用いられ
ており、上記演算増幅器の出力部及び上記安定化回路に
於ける電圧検出回路の出力部には上記演算増幅器及び電
圧検出回路の電流制御部への接続を選択切り換えするた
めの整流素子が夫々挿入されていることを特徴とする電
源回路。[Claims for Utility Model Registration] A power supply circuit comprising a stabilizing circuit and an overcurrent protection circuit, wherein the overcurrent protection circuit serves as an overcurrent detection terminal stage, and the detection terminal of the power supply voltage is connected to its inverting input terminal. , an operational amplifier is used in which the overcurrent detection terminal is connected to its positive phase input terminal, and the output section of the operational amplifier and the output section of the voltage detection circuit in the stabilization circuit are connected to the above-mentioned operational amplifier. A power supply circuit characterized in that a rectifying element is inserted for selectively switching connection of an amplifier and a voltage detection circuit to a current control section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19302181U JPS58101229U (en) | 1981-12-28 | 1981-12-28 | power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19302181U JPS58101229U (en) | 1981-12-28 | 1981-12-28 | power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58101229U true JPS58101229U (en) | 1983-07-09 |
Family
ID=30106396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19302181U Pending JPS58101229U (en) | 1981-12-28 | 1981-12-28 | power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58101229U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60106323A (en) * | 1983-11-15 | 1985-06-11 | 富士電機株式会社 | Surge voltage avoiding circuit |
| JPS60237818A (en) * | 1984-05-11 | 1985-11-26 | 池上通信機株式会社 | Overcurrent detecting protecting device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52139940A (en) * | 1976-05-17 | 1977-11-22 | Nec Corp | Constant voltage power source device |
-
1981
- 1981-12-28 JP JP19302181U patent/JPS58101229U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52139940A (en) * | 1976-05-17 | 1977-11-22 | Nec Corp | Constant voltage power source device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60106323A (en) * | 1983-11-15 | 1985-06-11 | 富士電機株式会社 | Surge voltage avoiding circuit |
| JPS60237818A (en) * | 1984-05-11 | 1985-11-26 | 池上通信機株式会社 | Overcurrent detecting protecting device |
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