JPH0439087U - - Google Patents
Info
- Publication number
- JPH0439087U JPH0439087U JP8067690U JP8067690U JPH0439087U JP H0439087 U JPH0439087 U JP H0439087U JP 8067690 U JP8067690 U JP 8067690U JP 8067690 U JP8067690 U JP 8067690U JP H0439087 U JPH0439087 U JP H0439087U
- Authority
- JP
- Japan
- Prior art keywords
- power
- output end
- power output
- switching regulator
- input
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案によるスイツチングレギユレー
タであるＤＣ−ＤＣコンバーターの一実施例を示
す回路図、第２図は従来のＤＣ−ＤＣコンバータ
ーを示す回路図、第３図は第２図に示すＤＣ−Ｄ
Ｃコンバーターの機能を示すブロツク図、第４図
ａ乃至ｃは第２図に示すＤＣ−ＤＣコンバーター
の動作を説明するための波形図である。
１１……電源入力側、１２……フイルター、１
３……制御回路、１４……スイツチング回路、１
５……変成器、１６……第１の整流回路、１７…
…第２の整流回路、１８……フイルター、１９…
…第１の電源出力側、２０……第２の電源出力側
、２４……ダミー抵抗器、２２……ダミー抵抗接
続切離部。
Fig. 1 is a circuit diagram showing an embodiment of the DC-DC converter which is a switching regulator according to the present invention, Fig. 2 is a circuit diagram showing a conventional DC-DC converter, and Fig. 3 is the same as Fig. 2. DC-D shown
FIGS. 4a to 4c are waveform diagrams for explaining the operation of the DC-DC converter shown in FIG. 2. FIGS. 11...Power input side, 12...Filter, 1
3...Control circuit, 14...Switching circuit, 1
5...Transformer, 16...First rectifier circuit, 17...
...Second rectifier circuit, 18...Filter, 19...
...first power output side, 20...second power output side, 24...dummy resistor, 22...dummy resistor connection/disconnection section.
Claims (1)
源入力端部と前記電源出力端部との間に位置し、
前記電源入力端部に与えられる入力電圧を予め定
められたレベルに変換して変換電圧として前記電
源出力端部に出力するコンバーター部を有するス
イツチングレギユレータにおいて、前記電源出力
端部側で前記電源出力端部側に対して並列に接続
された抵抗器と、前記電源出力端部が負荷状態に
なつたことを検出する検出手段と、前記負荷状態
が検出されると、前記抵抗器を切り離す切離手段
とを有することを特徴とするスイツチングレギユ
レータ。 comprising a power input end and a power output end, located between the power input end and the power output end;
In the switching regulator, the switching regulator includes a converter section that converts an input voltage applied to the power supply input terminal to a predetermined level and outputs the converted voltage to the power supply output terminal as a converted voltage. a resistor connected in parallel to a power output end side; a detection means for detecting that the power output end is in a load state; and when the load state is detected, the resistor is disconnected. A switching regulator comprising a disconnecting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8067690U JPH0439087U (en) | 1990-07-31 | 1990-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8067690U JPH0439087U (en) | 1990-07-31 | 1990-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439087U true JPH0439087U (en) | 1992-04-02 |
Family
ID=31625951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8067690U Pending JPH0439087U (en) | 1990-07-31 | 1990-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439087U (en) |
-
1990
- 1990-07-31 JP JP8067690U patent/JPH0439087U/ja active Pending