JPH0226380U - - Google Patents
Info
- Publication number
- JPH0226380U JPH0226380U JP10123488U JP10123488U JPH0226380U JP H0226380 U JPH0226380 U JP H0226380U JP 10123488 U JP10123488 U JP 10123488U JP 10123488 U JP10123488 U JP 10123488U JP H0226380 U JPH0226380 U JP H0226380U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- power supply
- main switch
- drives
- drive circuit
- 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 description 3
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Control Of Voltage And Current In General (AREA)
- Dc-Dc Converters (AREA)
Description
第1図は本考案の電源回路の一実施例の回路図
、第2図乃至第4図は夫々異なる従来の電源回路
の回路図である。
1……駆動回路、2……検出回路、T……トラ
ンス、L1〜L4……巻線、SW……主スイツチ
、X1〜X3……ダイオード、C1〜C5……コ
ンデンサ、CH……平滑コイル、Vs……検出電
圧、Vr……基準電圧、Vo……制御電圧。
FIG. 1 is a circuit diagram of one embodiment of the power supply circuit of the present invention, and FIGS. 2 to 4 are circuit diagrams of different conventional power supply circuits. 1...Drive circuit, 2...Detection circuit, T...Transformer, L1 to L4 ...Winding, SW...Main switch, X1 to X3 ...Diode, C1 to C5 ...Capacitor , CH...Smoothing coil, Vs...Detection voltage, Vr...Reference voltage, Vo...Control voltage.
Claims (1)
ルス幅変調を行うスイツチングレギユレータ構成
の電源回路において、前記主スイツチを駆動する
駆動回路と、出力電圧の誤差を検出して前記駆動
回路を制御する検出回路の夫々に、前記トランス
の1つの巻線から取出して別個の整流回路で整流
した電力及び電圧を供給し得るように構成したこ
とを特徴とする電源回路。 In a power supply circuit having a switching regulator configuration that uses a transformer and drives a main switch to perform pulse width modulation, the drive circuit drives the main switch and the drive circuit is controlled by detecting an error in the output voltage. 1. A power supply circuit configured to be able to supply each of the detection circuits with power and voltage extracted from one winding of the transformer and rectified by separate rectifier circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10123488U JPH0226380U (en) | 1988-07-30 | 1988-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10123488U JPH0226380U (en) | 1988-07-30 | 1988-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0226380U true JPH0226380U (en) | 1990-02-21 |
Family
ID=31330044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10123488U Pending JPH0226380U (en) | 1988-07-30 | 1988-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0226380U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55106078A (en) * | 1979-02-08 | 1980-08-14 | Sony Corp | Switching regulator |
-
1988
- 1988-07-30 JP JP10123488U patent/JPH0226380U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55106078A (en) * | 1979-02-08 | 1980-08-14 | Sony Corp | Switching regulator |