JPS62177290U - - Google Patents
Info
- Publication number
- JPS62177290U JPS62177290U JP6293386U JP6293386U JPS62177290U JP S62177290 U JPS62177290 U JP S62177290U JP 6293386 U JP6293386 U JP 6293386U JP 6293386 U JP6293386 U JP 6293386U JP S62177290 U JPS62177290 U JP S62177290U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- switching element
- converter
- series
- diode
- 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
- 230000002265 prevention Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 3
- 230000005669 field effect Effects 0.000 claims 1
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
- Dc-Dc Converters (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す図、第２図は
第１図の各部の波形を示す図、第３図及び第４図
は夫々本考案の他の一実施例を示す図、第５図は
従来のＤＣ―ＤＣコンバータを示す図、第６図は
第５図の各部の波形を示す図である。
１……直流入力電源、１′……直流入力端子、
２……変圧器、３……スイツチング素子、４，６
……コンデンサ、５，１２……ダイオード、７…
…負荷、８……出力電圧検出回路、９……制御回
路、１０……逆流防止用回路、１１……ＦＥＴ、
１３，１４……抵抗。
FIG. 1 is a diagram showing one embodiment of the present invention, FIG. 2 is a diagram showing waveforms of each part of FIG. 1, and FIGS. 3 and 4 are diagrams each showing another embodiment of the present invention, FIG. 5 is a diagram showing a conventional DC-DC converter, and FIG. 6 is a diagram showing waveforms at various parts in FIG. 1...DC input power supply, 1'...DC input terminal,
2...Transformer, 3...Switching element, 4, 6
...Capacitor, 5,12...Diode, 7...
...Load, 8...Output voltage detection circuit, 9...Control circuit, 10...Reverse current prevention circuit, 11...FET,
13,14...Resistance.
Claims (1)
ツチング素子を直列に接続し、該スイツチング素
子がオンの時上記変圧器にエネルギーを蓄積し、
オフの時電流が通流するような極性で上記変圧器
の２次巻線にダイオードを接続すると共に、該ダ
イオードを介した出力端に平滑用コンデンサを接
続したＤＣ―ＤＣコンバータにおいて、上記直流
入力端子、変圧器の１次巻線及びスイツチング素
子から成る直列接続回路に直列に逆流防止用回路
を接続したことを特徴とするＤＣ―ＤＣコンバー
タ。 (2) 実用新案登録請求の範囲第１項記載のＤＣ
―ＤＣコンバータにおいて、上記逆流防止用回路
が電界効果トランジスタで構成されていることを
特徴とするＤＣ―ＤＣコンバータ。[Claims for Utility Model Registration] (1) A DC input terminal, a primary winding of a transformer, and a switching element are connected in series, and when the switching element is turned on, energy is stored in the transformer;
In a DC-DC converter, a diode is connected to the secondary winding of the transformer with a polarity such that current flows when it is off, and a smoothing capacitor is connected to the output terminal via the diode. A DC-DC converter characterized in that a backflow prevention circuit is connected in series to a series connection circuit consisting of a terminal, a primary winding of a transformer, and a switching element. (2) DC stated in Paragraph 1 of Claims for Utility Model Registration
- A DC-DC converter, wherein the reverse current prevention circuit is comprised of a field effect transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6293386U JPS62177290U (en) | 1986-04-25 | 1986-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6293386U JPS62177290U (en) | 1986-04-25 | 1986-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62177290U true JPS62177290U (en) | 1987-11-11 |
Family
ID=30897686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6293386U Pending JPS62177290U (en) | 1986-04-25 | 1986-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62177290U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942288A (en) * | 1972-03-03 | 1974-04-20 |
-
1986
- 1986-04-25 JP JP6293386U patent/JPS62177290U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942288A (en) * | 1972-03-03 | 1974-04-20 |