JPS627784U - - Google Patents
Info
- Publication number
- JPS627784U JPS627784U JP9876085U JP9876085U JPS627784U JP S627784 U JPS627784 U JP S627784U JP 9876085 U JP9876085 U JP 9876085U JP 9876085 U JP9876085 U JP 9876085U JP S627784 U JPS627784 U JP S627784U
- Authority
- JP
- Japan
- Prior art keywords
- feedback winding
- transistor
- main transistor
- switch element
- semiconductor switch
- 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 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は従来回路、第２図は本考案の実施例を
示す回路図、第３図は従来回路による主トランジ
スタの電流、電圧波形図、第４図は本考案の実施
例による主トランジスタの電流電圧波形図であり
、Ｑ１は主トランジスタ、Ｔ１は変換用トランス
、ｎ１は一次巻線、ｎ２は二次巻線、ｎ３は帰還
巻線、ｃは中間端子（タツプ）、Ｅｉは直流入力
電源、Ｅｏは直流出力、Ｃ１，Ｃ２，Ｃ３はコン
デンサ、Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５は抵抗、
Ｄ１，Ｄ２，Ｄ３，Ｄ４はダイオード、ＤＺ１，
ＤＺ２は定電圧ダイオード、Ｑ３は半導体スイツ
チ素子である。
Fig. 1 is a conventional circuit, Fig. 2 is a circuit diagram showing an embodiment of the present invention, Fig. 3 is a current and voltage waveform diagram of the main transistor according to the conventional circuit, and Fig. 4 is a diagram of the main transistor according to the embodiment of the present invention. It is a current voltage waveform diagram, where Q1 is the main transistor, T1 is the conversion transformer, n1 is the primary winding, n2 is the secondary winding, n3 is the feedback winding, c is the intermediate terminal (tap), Ei is a DC input power supply, Eo is a DC output, C 1 , C 2 , C 3 are capacitors, R 1 , R 2 , R 3 , R 4 , R 5 are resistors,
D 1 , D 2 , D 3 , D 4 are diodes, DZ 1 ,
DZ2 is a constant voltage diode, and Q3 is a semiconductor switch element.
Claims (1)
るトランジスタコンバータにおいて、該変換用ト
ランスに中間タツプを有する帰還巻線を設けて、
該中間タツプをダイオードを介して該主トランジ
スタのベースに接続すると共に該帰還巻線の一端
と該主トランジスタのベースの一端間に半導体ス
イツチ素子を設け該半導体スイツチ素子を該帰還
巻線の電圧検出出力によりオンオフ制御するよう
にしたことを特徴とするトランジスタコンバータ
。 In a transistor converter formed by connecting a main transistor and a conversion transformer, the conversion transformer is provided with a feedback winding having an intermediate tap,
The intermediate tap is connected to the base of the main transistor via a diode, and a semiconductor switch element is provided between one end of the feedback winding and one end of the base of the main transistor, and the semiconductor switch element detects the voltage of the feedback winding. A transistor converter characterized in that on/off control is performed by output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9876085U JPH0237277Y2 (en) | 1985-06-28 | 1985-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9876085U JPH0237277Y2 (en) | 1985-06-28 | 1985-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS627784U true JPS627784U (en) | 1987-01-17 |
| JPH0237277Y2 JPH0237277Y2 (en) | 1990-10-09 |
Family
ID=30967016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9876085U Expired JPH0237277Y2 (en) | 1985-06-28 | 1985-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237277Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0640174U (en) * | 1992-10-30 | 1994-05-27 | 三洋工業株式会社 | Floor support |
| JP2008206235A (en) * | 2007-02-16 | 2008-09-04 | Fuji Xerox Co Ltd | Power supply device |
-
1985
- 1985-06-28 JP JP9876085U patent/JPH0237277Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0640174U (en) * | 1992-10-30 | 1994-05-27 | 三洋工業株式会社 | Floor support |
| JP2008206235A (en) * | 2007-02-16 | 2008-09-04 | Fuji Xerox Co Ltd | Power supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0237277Y2 (en) | 1990-10-09 |