JPS61171486U - - Google Patents
Info
- Publication number
- JPS61171486U JPS61171486U JP5339085U JP5339085U JPS61171486U JP S61171486 U JPS61171486 U JP S61171486U JP 5339085 U JP5339085 U JP 5339085U JP 5339085 U JP5339085 U JP 5339085U JP S61171486 U JPS61171486 U JP S61171486U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching signal
- high voltage
- current detector
- load
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の１実施例構成図、第２図は第
１図図示本考案の１実施例構成の動作を説明する
波形図、第３図は従来の高電圧電源のソフトスタ
ート回路、第４図は第３図図示従来の高電圧電源
のソフトスタート回路の動作を説明する波形図を
示す。
図中、１は制御ＩＣ、２はスイツチング回路、
３は昇圧トランス、４は電圧検出抵抗器、５は負
荷、Ｒｄは電流検出抵抗器、Ｃｘはコンデンサを
表す。
FIG. 1 is a configuration diagram of one embodiment of the present invention, FIG. 2 is a waveform diagram explaining the operation of the configuration of one embodiment of the present invention shown in FIG. 1, and FIG. 3 is a conventional soft start circuit for a high voltage power supply. FIG. 4 shows a waveform diagram illustrating the operation of the conventional soft start circuit of the high voltage power supply shown in FIG. In the figure, 1 is a control IC, 2 is a switching circuit,
3 represents a step-up transformer, 4 represents a voltage detection resistor, 5 represents a load, R d represents a current detection resistor, and C x represents a capacitor.
Claims (1)
ツチング信号を生成するスイツチング信号生成回
路と、該スイツチング信号生成回路によつて生成
した信号を用いてオン・オフ制御した電圧を昇圧
トランスに印加するスイツチング回路と、前記昇
圧トランスによつて昇圧された電圧を整流する整
流回路と、該整流回路によつて整流された高電圧
を負荷に印加した際に流れる電流を検出する電流
検出器と、該電流検出器によつて検出された電圧
を前記スイツチング信号生成回路に負帰還する負
帰還回路とを備えた高電圧電源において、前記負
荷に並列に接続したコンデンサをもうけると共に
、前記負荷と高電圧発生部との間に前記電流検出
器を配置するよう構成され、該電流検出器を用い
て検出した信号を前記スイツチング信号生成回路
に負帰還したことを特徴とする高電圧電源のソフ
トスタート回路装置。 A switching signal generation circuit that generates a switching signal with a predetermined duty to generate a high voltage, and a switching circuit that applies on/off controlled voltage to a step-up transformer using the signal generated by the switching signal generation circuit. , a rectifier circuit that rectifies the voltage boosted by the step-up transformer, a current detector that detects a current flowing when the high voltage rectified by the rectifier circuit is applied to a load, and the current detector In the high voltage power supply equipped with a negative feedback circuit that negatively feeds back the voltage detected by the switching signal generating circuit to the switching signal generating circuit, a capacitor is provided in parallel to the load, and a capacitor is connected between the load and the high voltage generating section. 1. A soft start circuit device for a high voltage power supply, characterized in that the current detector is disposed between the switching signal generating circuits, and a signal detected using the current detector is negatively fed back to the switching signal generating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5339085U JPS61171486U (en) | 1985-04-10 | 1985-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5339085U JPS61171486U (en) | 1985-04-10 | 1985-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61171486U true JPS61171486U (en) | 1986-10-24 |
Family
ID=30574208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5339085U Pending JPS61171486U (en) | 1985-04-10 | 1985-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61171486U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5334811A (en) * | 1976-07-28 | 1978-03-31 | Kroeyer Karl K | Manufacture of blister silicate materials |
| JPS592568A (en) * | 1982-06-29 | 1984-01-09 | Fujitsu Ltd | Constant-current circuit |
-
1985
- 1985-04-10 JP JP5339085U patent/JPS61171486U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5334811A (en) * | 1976-07-28 | 1978-03-31 | Kroeyer Karl K | Manufacture of blister silicate materials |
| JPS592568A (en) * | 1982-06-29 | 1984-01-09 | Fujitsu Ltd | Constant-current circuit |
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