JPS63143086U - - Google Patents
Info
- Publication number
- JPS63143086U JPS63143086U JP3440487U JP3440487U JPS63143086U JP S63143086 U JPS63143086 U JP S63143086U JP 3440487 U JP3440487 U JP 3440487U JP 3440487 U JP3440487 U JP 3440487U JP S63143086 U JPS63143086 U JP S63143086U
- Authority
- JP
- Japan
- Prior art keywords
- series
- power transformer
- field effect
- effect transistor
- switching element
- 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
- 238000009499 grossing Methods 0.000 claims description 2
- 230000005669 field effect Effects 0.000 claims 2
- 238000004804 winding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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ａ，ｂ，ｃは同実施例の各部の電圧波形を示す
波形図、第３図は従来例を示す回路図、第４図ａ
，ｂ，ｃは同従来例の各部の電圧波形を示す波形
図である。
１…発振・制御回路、２…電圧検出回路、３…
補助電源、４…２次整流回路、５…２次平滑回路
、Ｑ…ＦＥＴ、Ｒ１〜Ｒ３…抵抗、Ｃ１，Ｃ２…
コンデンサ、Ｄｚ…ツエナダイオード、Ｔ１…電
源トランス、Ｔ２…ドライブトランス、Ｌ…可飽
和リアクトル。
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.
Figures a, b, and c are waveform diagrams showing voltage waveforms at various parts of the same embodiment, Figure 3 is a circuit diagram showing the conventional example, and Figure 4 a.
, b, and c are waveform diagrams showing voltage waveforms at various parts of the conventional example. 1...Oscillation/control circuit, 2...Voltage detection circuit, 3...
Auxiliary power supply, 4... Secondary rectifier circuit, 5... Secondary smoothing circuit, Q... FET, R1 to R3 ... Resistance, C1 , C2 ...
Capacitor, Dz ...Zena diode, T1 ...power transformer, T2 ...drive transformer, L...saturable reactor.
Claims (1)
素子としての電界効果トランジスタと入力電圧を
直列に接続し、 かつ同電源トランスの２次巻線に、整流回路及
び平滑回路を有し、 ドライブ電圧に対応して、１次側のスイツチン
グ素子の開閉制御を行うスイツチングレギユレー
タにおいて、 前記電界効果トランジスタのゲートに直列に可
飽和リアクトルを接続したことを特徴とするスイ
ツチングレギユレータ。[Scope of Claim for Utility Model Registration] A power transformer is provided, a field effect transistor as a switching element and an input voltage are connected in series to the primary winding of the power transformer, and a secondary winding of the power transformer is connected in series. , a switching regulator that has a rectifying circuit and a smoothing circuit and controls the opening and closing of a switching element on the primary side in response to a drive voltage, wherein a saturable reactor is connected in series to the gate of the field effect transistor. A switching regulator characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3440487U JPS63143086U (en) | 1987-03-11 | 1987-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3440487U JPS63143086U (en) | 1987-03-11 | 1987-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63143086U true JPS63143086U (en) | 1988-09-20 |
Family
ID=30842921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3440487U Pending JPS63143086U (en) | 1987-03-11 | 1987-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63143086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03128673A (en) * | 1989-10-12 | 1991-05-31 | Koufu Nippon Denki Kk | Dc-dc converter |
| WO1994007300A1 (en) * | 1992-09-24 | 1994-03-31 | Kabushiki Kaisha Toshiba | Snubber circuit, switching power-supply, and saturable inductor used for them |
-
1987
- 1987-03-11 JP JP3440487U patent/JPS63143086U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03128673A (en) * | 1989-10-12 | 1991-05-31 | Koufu Nippon Denki Kk | Dc-dc converter |
| WO1994007300A1 (en) * | 1992-09-24 | 1994-03-31 | Kabushiki Kaisha Toshiba | Snubber circuit, switching power-supply, and saturable inductor used for them |
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