JPS6390987U - - Google Patents
Info
- Publication number
- JPS6390987U JPS6390987U JP18352286U JP18352286U JPS6390987U JP S6390987 U JPS6390987 U JP S6390987U JP 18352286 U JP18352286 U JP 18352286U JP 18352286 U JP18352286 U JP 18352286U JP S6390987 U JPS6390987 U JP S6390987U
- Authority
- JP
- Japan
- Prior art keywords
- state
- switching element
- transformer
- holding
- switching
- 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
- 238000004804 winding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１，２図は本考案のスイツチング・レギユレ
ータの一実施例を示す図であり、第１図はその回
路図、第２図はその作用を示す各部の波形図であ
る。第３図は従来のスイツチング・レギユレータ
の回路である。
２１……第１状態保持手段、２２……第２状態
保持手段、Ｑ１……電界効果トランジスタ、Ｔ…
…変圧器、Ｔａ……１次巻線、Ｔｂ……バイアス
巻線。
1 and 2 are diagrams showing an embodiment of the switching regulator of the present invention. FIG. 1 is a circuit diagram thereof, and FIG. 2 is a waveform diagram of each part showing its operation. FIG. 3 shows a circuit of a conventional switching regulator. 21...First state holding means, 22...Second state holding means, Q1...Field effect transistor, T...
...Transformer, Ta...primary winding, Tb...bias winding.
Claims (1)
接続し、２次側に整流素子を接続してスイツチン
グ素子をＯＮ／ＯＦＦすることにより２次側に出
力を取り出すスイツチング・レギユレータにおい
て、前記スイツチング素子がＯＦＦとなつてから
変圧器の２次巻線の磁気エネルギーが放出される
までスイツチング素子をＯＦＦ状態に保持する第
１状態保持手段と、スイツチング素子がＯＦＦと
なつたときから所定時間スイツチング素子をＯＦ
Ｆ状態に保持する第２状態保持手段と、を設けた
ことを特徴とするスイツチング・レギユレータ。 In a switching regulator, a switching element is connected to the primary side of a transformer of opposite polarity, a rectifying element is connected to the secondary side, and an output is taken out to the secondary side by turning the switching element ON/OFF. a first state holding means for holding the switching element in the OFF state after the switching element is turned OFF until the magnetic energy of the secondary winding of the transformer is released; OF
A switching regulator comprising: second state holding means for holding the F state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986183522U JPH0545113Y2 (en) | 1986-11-28 | 1986-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986183522U JPH0545113Y2 (en) | 1986-11-28 | 1986-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6390987U true JPS6390987U (en) | 1988-06-13 |
| JPH0545113Y2 JPH0545113Y2 (en) | 1993-11-17 |
Family
ID=31130337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986183522U Expired - Lifetime JPH0545113Y2 (en) | 1986-11-28 | 1986-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545113Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019213408A (en) * | 2018-06-07 | 2019-12-12 | キヤノン株式会社 | Power supply device and image forming apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484225A (en) * | 1977-12-16 | 1979-07-05 | Sony Corp | Switching power source circuit |
| JPS59161394U (en) * | 1984-03-15 | 1984-10-29 | フアナツク株式会社 | Overcurrent protection device for power switch elements in switching power supplies |
-
1986
- 1986-11-28 JP JP1986183522U patent/JPH0545113Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5484225A (en) * | 1977-12-16 | 1979-07-05 | Sony Corp | Switching power source circuit |
| JPS59161394U (en) * | 1984-03-15 | 1984-10-29 | フアナツク株式会社 | Overcurrent protection device for power switch elements in switching power supplies |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019213408A (en) * | 2018-06-07 | 2019-12-12 | キヤノン株式会社 | Power supply device and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545113Y2 (en) | 1993-11-17 |