JPS59195987U - High voltage power supply overshoot suppression circuit - Google Patents
High voltage power supply overshoot suppression circuitInfo
- Publication number
- JPS59195987U JPS59195987U JP8566883U JP8566883U JPS59195987U JP S59195987 U JPS59195987 U JP S59195987U JP 8566883 U JP8566883 U JP 8566883U JP 8566883 U JP8566883 U JP 8566883U JP S59195987 U JPS59195987 U JP S59195987U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- signal
- high voltage
- circuit
- power supply
- 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.)
- Granted
Links
Landscapes
- Dc-Dc Converters (AREA)
- Power Conversion In General (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図は来者案稈係る高電圧電源のオーバシュート抑止
回路の１実施例、第２図は従来のデッドタイムコントロ
ール端子９により高電圧を発生させた場合のオシロスコ
ープの波形、第３図は本考案のオシロスコープの波形を
示す。
１は本考案に係る高電圧電源のオーバシュート抑止回路
、２はスイッチングレギュレータコントロール用ＩＣｌ
３はスイッチング回路、４は昇圧トランス、７は分圧回
路、８は電流検出抵抗、９はデッドタイムコントロール
端子、Ａ、Ａ′ハ高電圧波形、Ｂ、 Ｂ’は比較器出力
電圧波形である。Fig. 1 shows an example of the overshoot suppression circuit for a high voltage power supply according to the visitor's proposal, Fig. 2 shows the waveform of an oscilloscope when a high voltage is generated by the conventional dead time control terminal 9, and Fig. 3 shows the waveform of an oscilloscope. The waveforms of the oscilloscope of the present invention are shown. 1 is an overshoot suppression circuit for a high voltage power supply according to the present invention, and 2 is an ICl for controlling a switching regulator.
3 is a switching circuit, 4 is a step-up transformer, 7 is a voltage divider circuit, 8 is a current detection resistor, 9 is a dead time control terminal, A and A' are high voltage waveforms, and B and B' are comparator output voltage waveforms. .
Claims (1)
する増幅手段と、該増幅手段からの信号により電源に接
続されよトランスの１次側電流をスイッチング制御する
スイッチング手段と、該スイッチング電流により生じた
電圧を昇圧する電圧昇圧手段と、該電圧昇圧手段からの
高電圧を整流する整流手段と、該整流手段により整流さ
れた電圧を平滑にする平滑手段と、該平滑にされた電圧
を分圧し検出する電圧検出手段と、該電圧検出手段から
の検出電圧を基準電圧と比較する比較手段と、該比較手
段からの差分を前記電圧制御型パルス発振器に負帰還し
たことからなる高電圧電源において、外部から高電圧出
力の発生・阻止を制御する外部制御端子を有し、該外部
制御端子からの高電圧発生信号にもとづきスイッチング
用のパルス電圧を発生させる信号をデッドタイムコント
ロール端子に供給する回路と、前記電圧検出手段からの
信号に重畳していた信号を徐々に減少させる回路とを備
えると共に、前記外部制御端子からの高電圧阻止信号に
もとづき前記電圧検出手段からの信号に所定の信号を重
畳させる回路とを有することを特徴とする高電圧電源の
オーバシュート抑止回路。a voltage-controlled pulse oscillator; an amplifying means for amplifying a signal from the oscillator; a switching means for controlling switching of a primary current of a transformer connected to a power supply by a signal from the amplifying means; a voltage boosting means for boosting the high voltage, a rectifying means for rectifying the high voltage from the voltage boosting means, a smoothing means for smoothing the voltage rectified by the rectifying means, and a voltage dividing means for dividing the smoothed voltage. A high voltage power supply comprising a voltage detecting means for detecting, a comparing means for comparing the detected voltage from the voltage detecting means with a reference voltage, and a difference from the comparing means being negatively fed back to the voltage controlled pulse oscillator, A circuit having an external control terminal for externally controlling generation and blocking of high voltage output, and supplying a signal to a dead time control terminal to generate a pulse voltage for switching based on a high voltage generation signal from the external control terminal. , a circuit that gradually reduces a signal superimposed on the signal from the voltage detection means, and superimposes a predetermined signal on the signal from the voltage detection means based on a high voltage blocking signal from the external control terminal. 1. An overshoot suppression circuit for a high voltage power supply, characterized in that the circuit has a circuit for suppressing overshoot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8566883U JPS59195987U (en) | 1983-06-03 | 1983-06-03 | High voltage power supply overshoot suppression circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8566883U JPS59195987U (en) | 1983-06-03 | 1983-06-03 | High voltage power supply overshoot suppression circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59195987U true JPS59195987U (en) | 1984-12-26 |
| JPS642546Y2 JPS642546Y2 (en) | 1989-01-20 |
Family
ID=30215631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8566883U Granted JPS59195987U (en) | 1983-06-03 | 1983-06-03 | High voltage power supply overshoot suppression circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195987U (en) |
-
1983
- 1983-06-03 JP JP8566883U patent/JPS59195987U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS642546Y2 (en) | 1989-01-20 |
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