JPS58122120U - Inrush current prevention circuit - Google Patents
Inrush current prevention circuitInfo
- Publication number
- JPS58122120U JPS58122120U JP1715982U JP1715982U JPS58122120U JP S58122120 U JPS58122120 U JP S58122120U JP 1715982 U JP1715982 U JP 1715982U JP 1715982 U JP1715982 U JP 1715982U JP S58122120 U JPS58122120 U JP S58122120U
- Authority
- JP
- Japan
- Prior art keywords
- inrush current
- prevention circuit
- current prevention
- reference voltage
- error amplifier
- 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
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図は従来の突入電流防止回路をＤＣ−ＤＣコンバー
タの前段につけた回路構成図、第２図は本考案による突
入電流防止回路の実施例を示す回路構成図、第３図はタ
イマによって制御された積分器の出力電圧波形図である
。
１・・・・・・スイッチングトランジスタ、２・・・・
・・ドライバ回路、８・・・・・・発振器、９・・・・
・で誤差増幅器、１０・・・・・・ツェナダイオード、
１６・・・・・・演算増幅器。Figure 1 is a circuit configuration diagram showing a conventional inrush current prevention circuit installed in front of a DC-DC converter, Figure 2 is a circuit configuration diagram showing an embodiment of the inrush current prevention circuit according to the present invention, and Figure 3 is controlled by a timer. FIG. 3 is an output voltage waveform diagram of an integrator obtained by 1...Switching transistor, 2...
... Driver circuit, 8 ... Oscillator, 9 ...
・Error amplifier, 10... Zener diode,
16... operational amplifier.
Claims (1)
流を防止するために、誤差増幅器の基準電圧を所望の基
準電圧になるまで時間遅れを持たせることにより実現す
ることを特徴とする突入電流防止回路。, An inrush current prevention circuit is realized by providing a time delay until the reference voltage of an error amplifier reaches a desired reference voltage in order to prevent inrush current in a switching type DC stabilized power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1715982U JPS58122120U (en) | 1982-02-12 | 1982-02-12 | Inrush current prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1715982U JPS58122120U (en) | 1982-02-12 | 1982-02-12 | Inrush current prevention circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58122120U true JPS58122120U (en) | 1983-08-19 |
Family
ID=30029490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1715982U Pending JPS58122120U (en) | 1982-02-12 | 1982-02-12 | Inrush current prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58122120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007143230A (en) * | 2005-11-15 | 2007-06-07 | Fuji Electric Device Technology Co Ltd | Control system of switching power supply circuit |
-
1982
- 1982-02-12 JP JP1715982U patent/JPS58122120U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007143230A (en) * | 2005-11-15 | 2007-06-07 | Fuji Electric Device Technology Co Ltd | Control system of switching power supply circuit |
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