JPS6412484U - - Google Patents
Info
- Publication number
- JPS6412484U JPS6412484U JP10678587U JP10678587U JPS6412484U JP S6412484 U JPS6412484 U JP S6412484U JP 10678587 U JP10678587 U JP 10678587U JP 10678587 U JP10678587 U JP 10678587U JP S6412484 U JPS6412484 U JP S6412484U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- detection circuit
- current
- terminating
- current transformer
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来例を示す回路図、第３図は従来回路の動
作を示す波形図、第４図は本考案による回路の動
作を示す波形図、第５図はコレクタ電流波形図で
ある。
ＣＴ……カレントトランス、Ｒ１，Ｒ２……抵
抗、Ｄ１，Ｄ２……ダイオード、Ｃ１，Ｃ２……
コンデンサ、Ｑ……主スイツチ。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
3 is a waveform diagram showing the operation of the conventional circuit, FIG. 4 is a waveform diagram showing the operation of the circuit according to the present invention, and FIG. 5 is a collector current waveform diagram. CT...Current transformer, R1, R2...Resistor, D1, D2...Diode, C1, C2...
Capacitor, Q...Main switch.
Claims (1)
力側に接続された終端抵抗とを含み、パルス状に
流れる電流を検出する電流検出回路に於て、上記
終端抵抗に並列に、各々の極性が逆方向である２
組のダイオードとコンデンサの直列回路を接続し
た事を特徴とするスイツチングレギユレータの過
電流検出回路。 In a current detection circuit that detects a current flowing in a pulsed manner and includes a current transformer and a terminating resistor connected to the output side of the current transformer, each of the terminating resistors is connected in parallel with the terminating resistor, and the polarity of each resistor is in the opposite direction. 2
An overcurrent detection circuit for a switching regulator characterized by connecting a series circuit of a pair of diodes and a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987106785U JPH0514717Y2 (en) | 1987-07-10 | 1987-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987106785U JPH0514717Y2 (en) | 1987-07-10 | 1987-07-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6412484U true JPS6412484U (en) | 1989-01-23 |
| JPH0514717Y2 JPH0514717Y2 (en) | 1993-04-19 |
Family
ID=31340608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987106785U Expired - Lifetime JPH0514717Y2 (en) | 1987-07-10 | 1987-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0514717Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS612933U (en) * | 1984-06-14 | 1986-01-09 | 富士電機株式会社 | Wire dot printer print head |
| JPS61189787U (en) * | 1985-05-16 | 1986-11-26 |
-
1987
- 1987-07-10 JP JP1987106785U patent/JPH0514717Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS612933U (en) * | 1984-06-14 | 1986-01-09 | 富士電機株式会社 | Wire dot printer print head |
| JPS61189787U (en) * | 1985-05-16 | 1986-11-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0514717Y2 (en) | 1993-04-19 |