JPS6381688U - - Google Patents
Info
- Publication number
- JPS6381688U JPS6381688U JP17597486U JP17597486U JPS6381688U JP S6381688 U JPS6381688 U JP S6381688U JP 17597486 U JP17597486 U JP 17597486U JP 17597486 U JP17597486 U JP 17597486U JP S6381688 U JPS6381688 U JP S6381688U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- switching transistor
- switching
- negative
- turned
- 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
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
Description
第１図はこの考案の一実施例を示す回路図であ
る。第２Ａ図〜第２Ｄ図は第１図実施例の動作を
示すための各部の波形図である。第３図は従来の
スイツチング電源のスイツチングトランジスタの
コレクターエミツタ間の電圧およびコレクタ電流
の波形図である。
図において、１０はスイツチング電源、１８は
スイツチングトランジスタ、２２はチヨークコイ
ル、３０はチヨークコイルに磁気的に結合される
巻線、３２はスピードアツプ用コンデンサ、３４
はダイオードを示す。
FIG. 1 is a circuit diagram showing an embodiment of this invention. 2A to 2D are waveform diagrams of various parts to show the operation of the embodiment of FIG. 1. FIG. 3 is a waveform diagram of collector-emitter voltage and collector current of a switching transistor of a conventional switching power supply. In the figure, 10 is a switching power supply, 18 is a switching transistor, 22 is a chain coil, 30 is a winding magnetically coupled to the chain coil, 32 is a speed-up capacitor, 34
indicates a diode.
Claims (1)
電源において、 前記スイツチングトランジスタのターンオフ時
に、前記スイツチングトランジスタのベースに負
電位を与えるための負電源回路を備えることを特
徴とする、スイツチング電源。[Claims for Utility Model Registration] A switching power supply including a switching transistor, characterized by comprising a negative power supply circuit for applying a negative potential to the base of the switching transistor when the switching transistor is turned off. power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17597486U JPS6381688U (en) | 1986-11-14 | 1986-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17597486U JPS6381688U (en) | 1986-11-14 | 1986-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6381688U true JPS6381688U (en) | 1988-05-30 |
Family
ID=31115790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17597486U Pending JPS6381688U (en) | 1986-11-14 | 1986-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6381688U (en) |
-
1986
- 1986-11-14 JP JP17597486U patent/JPS6381688U/ja active Pending
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