JPH0458089U - - Google Patents
Info
- Publication number
- JPH0458089U JPH0458089U JP9931490U JP9931490U JPH0458089U JP H0458089 U JPH0458089 U JP H0458089U JP 9931490 U JP9931490 U JP 9931490U JP 9931490 U JP9931490 U JP 9931490U JP H0458089 U JPH0458089 U JP H0458089U
- Authority
- JP
- Japan
- Prior art keywords
- base
- transistor
- switching
- drive circuit
- 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
- 238000004804 winding Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示すスイツチング
電源の電気回路図、第２図は従来のスイツチング
電源の電気回路図である。
１は１次整流回路、２はベース巻線２ａを有す
るスイツチングトランス、３は起動用抵抗、４は
スイツチングトランジスタ、５は放電用抵抗、６
，７は波形整形回路、８はスイツチングトランジ
スタ４の安定ドライブ回路、９は２次整流回路で
ある。
FIG. 1 is an electrical circuit diagram of a switching power supply showing an embodiment of the present invention, and FIG. 2 is an electrical circuit diagram of a conventional switching power supply. 1 is a primary rectifier circuit, 2 is a switching transformer having a base winding 2a, 3 is a starting resistor, 4 is a switching transistor, 5 is a discharging resistor, 6
, 7 is a waveform shaping circuit, 8 is a stable drive circuit for the switching transistor 4, and 9 is a secondary rectifier circuit.
Claims (1)
トランジスタのベースを駆動するベース巻線を有
するスイツチングトランスと同トランジスタのベ
ースドライブ回路とからなるリンギングチヨーク
コンバータ方式のスイツチングレギユレータにお
いて、前記ベース巻線と前記スイツチングトラン
ジスタのベース間に接続した前記ベースドライブ
回路を構成する安定ドライブ回路と並列に第１の
抵抗とコンデンサとを直列接続したベース電流波
形整形回路の同コンデンサに第２の抵抗を並列に
接続してなる電源回路。 In a switching regulator of a ringing chain converter type, which includes a primary rectifier circuit, a switching transistor, a switching transformer having a base winding that drives the base of the transistor, and a base drive circuit of the transistor, the base winding A second resistor is connected to the capacitor of a base current waveform shaping circuit in which a first resistor and a capacitor are connected in series in parallel with a stable drive circuit constituting the base drive circuit connected between the base of the switching transistor and the base of the switching transistor. A power supply circuit connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9931490U JPH0458089U (en) | 1990-09-21 | 1990-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9931490U JPH0458089U (en) | 1990-09-21 | 1990-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0458089U true JPH0458089U (en) | 1992-05-19 |
Family
ID=31841151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9931490U Pending JPH0458089U (en) | 1990-09-21 | 1990-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0458089U (en) |
-
1990
- 1990-09-21 JP JP9931490U patent/JPH0458089U/ja active Pending