JPS6127490U - switching regulator - Google Patents
switching regulatorInfo
- Publication number
- JPS6127490U JPS6127490U JP11168584U JP11168584U JPS6127490U JP S6127490 U JPS6127490 U JP S6127490U JP 11168584 U JP11168584 U JP 11168584U JP 11168584 U JP11168584 U JP 11168584U JP S6127490 U JPS6127490 U JP S6127490U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- control circuit
- transformer
- voltage
- switching regulator
- 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
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図a及びbは本考案によるスイッチングレギュレー
タの実施例を示す回路図、第2図は従来のスイッチング
レギュレータの回路歯である。
6・・・トランス、7・・・スイッチング素子、8・・
・起動回路、9・・・制御回路、10・・・出力整流平
滑回路、61乃至63・・・巻。1A and 1B are circuit diagrams showing an embodiment of a switching regulator according to the present invention, and FIG. 2 is a circuit diagram of a conventional switching regulator. 6...Transformer, 7...Switching element, 8...
- Startup circuit, 9... Control circuit, 10... Output rectification and smoothing circuit, 61 to 63... Volumes.
Claims (1)
スイッチングするスイッチング素子と、該変圧器の2次
巻線に発生する電圧を整流平滑して負荷に与える整流平
滑回路と、該整流平滑回路の出力電圧に従って前記スイ
ッチング素子を駆動制御する制御回路と、該制御回路に
対して電源投入時の起動電源を供給する起動回路と、前
記変圧器に備えられ、前記起動回路による制御回路の起
動後に該制御回路に対して動作用電源を供給する補助巻
線とを有するスイッチングレギュレータにおいて、前記
起動回路は、直流入力ライン間に接続され、直流入力が
所定のレベル以上になったときに導通して所定の時定数
で充電し、その充電電圧により前記制御回路を起動する
ことを特徴とするスイッチングレギュレータ。A transformer, a switching element that switches a DC voltage applied to a primary winding of the transformer, a rectifying and smoothing circuit that rectifies and smoothes a voltage generated in a secondary winding of the transformer and applies the rectified and smoothed voltage to a load; A control circuit that drives and controls the switching element according to the output voltage of the rectifying and smoothing circuit, a starting circuit that supplies starting power to the control circuit when power is turned on, and a control circuit that is provided in the transformer and that uses the starting circuit. In a switching regulator having an auxiliary winding that supplies operating power to the control circuit after startup, the startup circuit is connected between DC input lines, and when the DC input reaches a predetermined level or higher, A switching regulator characterized in that it conducts and charges at a predetermined time constant, and that the charging voltage starts the control circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11168584U JPS6127490U (en) | 1984-07-25 | 1984-07-25 | switching regulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11168584U JPS6127490U (en) | 1984-07-25 | 1984-07-25 | switching regulator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6127490U true JPS6127490U (en) | 1986-02-19 |
Family
ID=30670757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11168584U Pending JPS6127490U (en) | 1984-07-25 | 1984-07-25 | switching regulator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6127490U (en) |
-
1984
- 1984-07-25 JP JP11168584U patent/JPS6127490U/en active Pending
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