JPS59183183U - Switching regulator control power supply circuit - Google Patents
Switching regulator control power supply circuitInfo
- Publication number
- JPS59183183U JPS59183183U JP7806483U JP7806483U JPS59183183U JP S59183183 U JPS59183183 U JP S59183183U JP 7806483 U JP7806483 U JP 7806483U JP 7806483 U JP7806483 U JP 7806483U JP S59183183 U JPS59183183 U JP S59183183U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- control power
- switching regulator
- switching
- 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
- Continuous-Control Power Sources That Use Transistors (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図は従来のスイッチングレギュレータ回路図、第２
図は本考案の一実施例を示す回路図である。
４・・・スイッチングトランス、５・・・スイッチング
トランジスタ、６・・・制御回路、１１・・・負荷、１
２・・・制御トランジスタ、１３・・・ツェナーダイオ
ード、１８・・・強制オフ用トランジスタ。Figure 1 is a conventional switching regulator circuit diagram, Figure 2 is a circuit diagram of a conventional switching regulator.
The figure is a circuit diagram showing an embodiment of the present invention. 4... Switching transformer, 5... Switching transistor, 6... Control circuit, 11... Load, 1
2... Control transistor, 13... Zener diode, 18... Forced off transistor.
Claims (1)
に直列のスイッチングトランジスタをオン・オフル制御
する制御回路に必要とする直流電圧を供給するために、
始動時に直流主回路電圧を安定化する制御トランジスタ
を含む定電圧回路から供給し、始動後は上記トランスの
補助巻線から整流出力を得る回路から供給する制御電源
において、上記スイッチングトランス側からの整流出力
が得られなくなったときに上記制御トランジスタを強制
的にオフ制御する回路を設けたことを特徴とするスイッ
チングレギュレータの制御電源回路。In order to supply the DC voltage required to the control circuit that controls the on/off state of the switching transistor connected in series to the switching transformer winding of the switching regulator,
In the control power supply, which is supplied from a constant voltage circuit including a control transistor that stabilizes the DC main circuit voltage at startup, and from a circuit that obtains rectified output from the auxiliary winding of the transformer after startup, the rectification from the switching transformer side is supplied. A control power supply circuit for a switching regulator, comprising a circuit for forcibly turning off the control transistor when an output cannot be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7806483U JPS59183183U (en) | 1983-05-24 | 1983-05-24 | Switching regulator control power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7806483U JPS59183183U (en) | 1983-05-24 | 1983-05-24 | Switching regulator control power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59183183U true JPS59183183U (en) | 1984-12-06 |
Family
ID=30208073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7806483U Pending JPS59183183U (en) | 1983-05-24 | 1983-05-24 | Switching regulator control power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59183183U (en) |
-
1983
- 1983-05-24 JP JP7806483U patent/JPS59183183U/en active Pending
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