JPS5872991U - Switched mode power supply circuit - Google Patents
Switched mode power supply circuitInfo
- Publication number
- JPS5872991U JPS5872991U JP16693181U JP16693181U JPS5872991U JP S5872991 U JPS5872991 U JP S5872991U JP 16693181 U JP16693181 U JP 16693181U JP 16693181 U JP16693181 U JP 16693181U JP S5872991 U JPS5872991 U JP S5872991U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- mode power
- supply circuit
- switch mode
- 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
Landscapes
- Control Of Electrical Variables (AREA)
- Dc-Dc Converters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は夫々従来回路の一例の回路図及びそ
の等価回路図、第３図Ａ、 Ｂは第２図示の回路の電流
、電圧波形図、第４図及び第５図は夫々第１図示の回路
に漏洩インダクタンス及び等、価容量が存在することを
説明するための回路図及 ′びその等価回路図、
第６図は第５図示の回路における減衰振動電流の波形図
、第７図Ａ、 Ｂは本考案回路の点Ａ′における電流、
電圧波形図、第８図は来者唸回路の一実施例の回路図で
ある。
１・・・・・・スイッチング制御回路、２・・・・・・
出力回路、３・・・・・・整流平滑回路、４・・・・・
・出力端子、ＶＣＣ”・・・・・直流電源、Ｌｌ・・・
・・・巻線、Ｑｌ・・・・・・スイッチング素子、Ｄｌ
・・・・・・ダイオード、Ｃ０・・・・・・等価容量。Figures 1 and 2 are a circuit diagram of an example of a conventional circuit and its equivalent circuit diagram, Figures 3A and B are current and voltage waveform diagrams of the circuit shown in Figure 2, and Figures 4 and 5 are respectively A circuit diagram for explaining the existence of leakage inductance and equivalent capacitance in the circuit shown in Figure 1, and its equivalent circuit diagram;
FIG. 6 is a waveform diagram of the damped oscillating current in the circuit shown in FIG.
The voltage waveform diagram in FIG. 8 is a circuit diagram of one embodiment of the visitor humming circuit. 1...Switching control circuit, 2...
Output circuit, 3... Rectification and smoothing circuit, 4...
・Output terminal, VCC"...DC power supply, Ll...
...Winding, Ql...Switching element, Dl
...Diode, C0...Equivalent capacitance.
Claims (3)
ング素子と、該スイッチング素子の開閉によって直流電
源から電力供給され出力電圧をとり出す出力回路を接続
された巻線とを該直流電源の端子間に直列に接続された
スイッチモード電源回路において、該巻線と該スイッチ
ング素子との間に直列に、直流電流を通過させかつ容量
を有する容量回路を接続し、該容量回路の一方の接続端
子に整流平滑回路を介して出力端子−を接続してなるス
イッチモード電源回路。(1) A switching element whose opening/closing is controlled by a switching signal, and a winding connected to an output circuit that receives power from a DC power supply and extracts an output voltage by opening and closing the switching element are connected in series between the terminals of the DC power supply. In the connected switch mode power supply circuit, a capacitor circuit that allows direct current to pass through and has a capacitance is connected in series between the winding and the switching element, and a rectifier and smoothing circuit is connected to one connection terminal of the capacitor circuit. A switch mode power supply circuit that connects the output terminal - through the switch mode power supply circuit.
る実用新案登録請求の範囲第１項記載のスイッチモード
電源回路。(2) The switch mode power supply circuit according to claim 1, wherein the capacitor circuit is composed of only diodes.
並列接続にて構成されてなる実用新案登録請求の範囲第
１項記載のスイッチモード電源回路。(3) The switch mode power supply circuit according to claim 1, wherein the capacitor circuit is constructed by connecting a diode and a capacitor in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16693181U JPS5872991U (en) | 1981-11-09 | 1981-11-09 | Switched mode power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16693181U JPS5872991U (en) | 1981-11-09 | 1981-11-09 | Switched mode power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5872991U true JPS5872991U (en) | 1983-05-17 |
Family
ID=29959062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16693181U Pending JPS5872991U (en) | 1981-11-09 | 1981-11-09 | Switched mode power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5872991U (en) |
-
1981
- 1981-11-09 JP JP16693181U patent/JPS5872991U/en active Pending
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