JPS61158873U - - Google Patents
Info
- Publication number
- JPS61158873U JPS61158873U JP10723584U JP10723584U JPS61158873U JP S61158873 U JPS61158873 U JP S61158873U JP 10723584 U JP10723584 U JP 10723584U JP 10723584 U JP10723584 U JP 10723584U JP S61158873 U JPS61158873 U JP S61158873U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- terminal
- input
- circuit
- error amplifier
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案実施例装置の構成を示す接続図
。第２図は従来例装置の構成を示す接続図。第３
図は周囲温度と保護回路動作電流との関係を示す
特性図。
１……入力電源、２……保護回路、３……電源
変換回路、４……負荷抵抗器、５，６，７′……
抵抗器、７……抵抗回路、８……基準電圧源、９
……誤差増幅器、２０，２５……過電流検出回路
。
FIG. 1 is a connection diagram showing the configuration of a device according to an embodiment of the present invention. FIG. 2 is a connection diagram showing the configuration of a conventional device. Third
The figure is a characteristic diagram showing the relationship between ambient temperature and protection circuit operating current. 1...Input power supply, 2...Protection circuit, 3...Power conversion circuit, 4...Load resistor, 5, 6, 7'...
Resistor, 7...Resistance circuit, 8...Reference voltage source, 9
...Error amplifier, 20, 25...Overcurrent detection circuit.
Claims (1)
器と、 この第一の抵抗器の一方の端子に一方の入力が
接続された誤差増幅器と、 この誤差増幅器の他方の入力に基準電圧を与え
る抵抗回路と、 上記第一の抵抗器の他方の端子と上記誤差増幅
器の他方の入力端子との間に接続された第二の抵
抗器と、 を備えた過電流検出回路において、 上記抵抗回路が負性温度特性を有せる抵抗回路
である ことを特徴とする過電流検出回路。[Claims for Utility Model Registration] A first resistor through which the output current of this power supply passes, an error amplifier whose one input is connected to one terminal of this first resistor, and a an overcurrent comprising: a resistor circuit that applies a reference voltage to the other input; and a second resistor connected between the other terminal of the first resistor and the other input terminal of the error amplifier. An overcurrent detection circuit, wherein the resistance circuit is a resistance circuit having negative temperature characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10723584U JPS61158873U (en) | 1984-07-16 | 1984-07-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10723584U JPS61158873U (en) | 1984-07-16 | 1984-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61158873U true JPS61158873U (en) | 1986-10-02 |
Family
ID=30666488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10723584U Pending JPS61158873U (en) | 1984-07-16 | 1984-07-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61158873U (en) |
-
1984
- 1984-07-16 JP JP10723584U patent/JPS61158873U/ja active Pending
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