JPH0472884U - - Google Patents
Info
- Publication number
- JPH0472884U JPH0472884U JP11633990U JP11633990U JPH0472884U JP H0472884 U JPH0472884 U JP H0472884U JP 11633990 U JP11633990 U JP 11633990U JP 11633990 U JP11633990 U JP 11633990U JP H0472884 U JPH0472884 U JP H0472884U
- Authority
- JP
- Japan
- Prior art keywords
- chiyoke
- resonant converter
- chiyoke coil
- output voltage
- utility
- 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 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
本実施例の電流共振型コンバータに用いられる平
滑チヨークコイルの特性図、第３図は一般的な電
流共振型コンバータの負荷電流とスイツチング周
波数の特性図である。
１，９……フイルタ、２，６，８……コンデン
サ、３……スイツチングトランジスタＦＥＴ、４
……トランス、５……整流ダイオード、７……平
滑チヨークコイル、１０……コントロール回路。
Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is a characteristic diagram of the smoothing choke coil used in the current resonant converter of this embodiment, and Fig. 3 shows the load current and characteristics of a general current resonant converter. FIG. 3 is a characteristic diagram of switching frequency. 1, 9... Filter, 2, 6, 8... Capacitor, 3... Switching transistor FET, 4
...transformer, 5 ... rectifier diode, 7 ... smoothing chiyoke coil, 10 ... control circuit.
Claims (1)
共振型コンバータにおいて、負荷電流が少なくな
るとインダクタンスが増加するチヨークコイルを
用いたことを特徴とする電流共振型コンバータ。 A current resonant converter that uses a chiyoke coil for output voltage smoothing, characterized in that it uses a chiyoke coil whose inductance increases as the load current decreases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11633990U JPH0472884U (en) | 1990-11-06 | 1990-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11633990U JPH0472884U (en) | 1990-11-06 | 1990-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0472884U true JPH0472884U (en) | 1992-06-26 |
Family
ID=31864158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11633990U Pending JPH0472884U (en) | 1990-11-06 | 1990-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0472884U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5835838A (en) * | 1981-08-28 | 1983-03-02 | Hitachi Ltd | Method of manufacturing cathode for magnetron |
-
1990
- 1990-11-06 JP JP11633990U patent/JPH0472884U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5835838A (en) * | 1981-08-28 | 1983-03-02 | Hitachi Ltd | Method of manufacturing cathode for magnetron |