JPS6192189U - - Google Patents
Info
- Publication number
- JPS6192189U JPS6192189U JP17744184U JP17744184U JPS6192189U JP S6192189 U JPS6192189 U JP S6192189U JP 17744184 U JP17744184 U JP 17744184U JP 17744184 U JP17744184 U JP 17744184U JP S6192189 U JPS6192189 U JP S6192189U
- Authority
- JP
- Japan
- Prior art keywords
- winding
- time constant
- constant circuit
- regulator
- time
- 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
- 238000004804 winding Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案に係る過電流保護回路を組み込
んだリンギングチヨークコンバータの一例を示す
回路図、第２図はその時定数回路におけるコンデ
ンサの端子電圧の変化を示す波形図、第３図は本
考案に係る過電流保護回路の二次側出力電流Ｉｓ
と出力電圧Ｖｓとの関係を示すグラフ、第４図は
従来の過電流保護回路を組み込んだリンギングチ
ヨークコンバータの一例を示す回路図、第５図は
その二次側出力電流Ｉｓと出力電圧Ｖｓとの関係
を示すグラフである。
１…過電流保護回路、２…時定数回路、３…定
電圧制御回路、Ｑ１…スイツチングトランジスタ
、Ｑ２…制御用トランジスタ、Ｔ…主トランス、
Ｎｐ…一次巻線、Ｎｓ…二次巻線、Ｎｂ…ベース
巻線、Ｒ１…抵抗、Ｃ２…コンデンサ、Ｄ２…ダ
イオード。
Figure 1 is a circuit diagram showing an example of a ringing chain converter incorporating an overcurrent protection circuit according to the present invention, Figure 2 is a waveform diagram showing changes in the terminal voltage of a capacitor in the time constant circuit, and Figure 3 is a diagram of the present invention. Secondary output current Is of the overcurrent protection circuit according to the invention
Fig. 4 is a circuit diagram showing an example of a ringing choke converter incorporating a conventional overcurrent protection circuit, and Fig. 5 shows its secondary side output current Is and output voltage Vs. It is a graph showing the relationship between DESCRIPTION OF SYMBOLS 1... Overcurrent protection circuit, 2... Time constant circuit, 3... Constant voltage control circuit, Q1 ... Switching transistor, Q2 ... Control transistor, T... Main transformer,
Np...Primary winding, Ns...Secondary winding, Nb...Base winding, R1 ...Resistor, C2 ...Capacitor, D2 ...Diode.
Claims (1)
ランスの巻線に接続されて該巻線の誘起電圧によ
り充放電を繰り返す抵抗とコンデンサを含む時定
数回路と、該時定数回路の出力によりスイツチン
グトランジスタの最大オン時間を制限する制御素
子とを備えたオン−オフ式レギユレータの過電流
保護回路。 A time constant circuit including a resistor and a capacitor connected to the winding of the main transformer of the on-off switching regulator and repeatedly charged and discharged by the induced voltage in the winding, and a switching transistor using the output of the time constant circuit. and a control element that limits the maximum on-time of the on-off regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17744184U JPS6192189U (en) | 1984-11-22 | 1984-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17744184U JPS6192189U (en) | 1984-11-22 | 1984-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6192189U true JPS6192189U (en) | 1986-06-14 |
Family
ID=30735008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17744184U Pending JPS6192189U (en) | 1984-11-22 | 1984-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6192189U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625378A (en) * | 1979-08-09 | 1981-03-11 | Toshiba Corp | Self-excited forward converter |
| JPS5820549A (en) * | 1981-07-27 | 1983-02-07 | Akebono Brake Ind Co Ltd | Fluid pressure controller of vehicle brake system |
-
1984
- 1984-11-22 JP JP17744184U patent/JPS6192189U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5625378A (en) * | 1979-08-09 | 1981-03-11 | Toshiba Corp | Self-excited forward converter |
| JPS5820549A (en) * | 1981-07-27 | 1983-02-07 | Akebono Brake Ind Co Ltd | Fluid pressure controller of vehicle brake system |