JPH0161889U - - Google Patents
Info
- Publication number
- JPH0161889U JPH0161889U JP15529187U JP15529187U JPH0161889U JP H0161889 U JPH0161889 U JP H0161889U JP 15529187 U JP15529187 U JP 15529187U JP 15529187 U JP15529187 U JP 15529187U JP H0161889 U JPH0161889 U JP H0161889U
- Authority
- JP
- Japan
- Prior art keywords
- output
- power supply
- circuit
- switching power
- core
- 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
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案に係るスイツチング電源の電気
回路図、第２図は本考案に係るスイツチング電源
に使用される可飽和リアクトルを示す図、第３図
は本考案に係るスイツチング電源の別の実施例に
おける電気回路図、第４図は従来のスイツチング
電源の電気回路図、第５図は可飽和リアクトルの
動作を説明するためのＢ−Ｈヒステリシス特性図
である。
２……変圧器、２１……入力巻線、２２０〜２
２３……出力巻線、３……スイツチング素子、４
……制御回路、５０〜５３……出力回路、６１〜
６３……可飽和リアクトル、６０……コア、７１
〜７３……制御回路。
Figure 1 is an electrical circuit diagram of a switching power supply according to the present invention, Figure 2 is a diagram showing a saturable reactor used in the switching power supply according to the present invention, and Figure 3 is another implementation of the switching power supply according to the present invention. FIG. 4 is an electric circuit diagram of a conventional switching power supply, and FIG. 5 is a B-H hysteresis characteristic diagram for explaining the operation of a saturable reactor. 2...Transformer, 21...Input winding, 220-2
23...Output winding, 3...Switching element, 4
... Control circuit, 50-53 ... Output circuit, 61-
63...Saturable reactor, 60...Core, 71
~73...control circuit.
Claims (1)
ツチングするスイツチング素子に対し出力電圧安
定化のための帰還制御系を形成する出力回路と、
帰還制御系を持たずに可飽和リアクトルによる出
力電圧安定化回路を付加した複数の出力回路とを
有する多出力のスイツチング電源において、前記
複数の出力回路のそれぞれに備えられた前記可飽
和リアクトルはコアを共用することを特徴とする
スイツチング電源。 (2) 前記出力回路はチヨークインプツト整流平
滑回路でなり、各出力回路のチヨークコイルはコ
アを共用したことを特徴とする実用新案登録請求
の範囲第１項に記載のスイツチング電源。[Claims for Utility Model Registration] (1) An output circuit that forms a feedback control system for stabilizing the output voltage of a switching element that switches DC input applied through a transformer;
In a multi-output switching power supply that does not have a feedback control system and has a plurality of output circuits to which an output voltage stabilizing circuit using a saturable reactor is added, the saturable reactor provided in each of the plurality of output circuits is connected to the core. A switching power supply characterized by sharing the same power supply. (2) The switching power supply according to claim 1, wherein the output circuit is a chiyoke input rectifying and smoothing circuit, and the chiyoke coils of each output circuit share a core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15529187U JPH0161889U (en) | 1987-10-09 | 1987-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15529187U JPH0161889U (en) | 1987-10-09 | 1987-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0161889U true JPH0161889U (en) | 1989-04-20 |
Family
ID=31432789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15529187U Pending JPH0161889U (en) | 1987-10-09 | 1987-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0161889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002247854A (en) * | 2001-02-20 | 2002-08-30 | Fuji Electric Co Ltd | Direct current/direct current converter |
-
1987
- 1987-10-09 JP JP15529187U patent/JPH0161889U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002247854A (en) * | 2001-02-20 | 2002-08-30 | Fuji Electric Co Ltd | Direct current/direct current converter |
| JP4547813B2 (en) * | 2001-02-20 | 2010-09-22 | 富士電機システムズ株式会社 | DC-DC converter |
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