JPS60108193U - Transistor stabilized DC power supply - Google Patents
Transistor stabilized DC power supplyInfo
- Publication number
- JPS60108193U JPS60108193U JP19696383U JP19696383U JPS60108193U JP S60108193 U JPS60108193 U JP S60108193U JP 19696383 U JP19696383 U JP 19696383U JP 19696383 U JP19696383 U JP 19696383U JP S60108193 U JPS60108193 U JP S60108193U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- transistor
- output
- voltage
- choke coil
- 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)
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図は従来の安定化直流電源装置を示す回路図、第２
図は第１図の各部の状態を示す波形図、第３図は温度が
変化した場合の第１図の各部の状態を示す波形図、第４
図は本考案の実施例に係わる安定化直流電源装置を示す
回路図、第５図は周囲温度と出力電圧変動との関係を示
す特性図、第６図は変形例の安定化直流電源装置を示す
回路図である。
１・・・入力端子、２・・・出力端子、３・・・直流電
源ライン、４・・・スイッチングトランジスタ、５・・
・第１のチョークコイル、６・・・ダイオード、７・・
・第１の一平滑用コンデンサ、８・・・第２のチョーク
コイル、９・・・第２の平滑用コンデンサ、１０・・・
直流電圧検出回路、１４・・・リプル検出用結合コンデ
ンサ、１５・・・電圧比較器、１７・・・基準電圧回路
、２９・・・抵抗、３０・・・リプル検出用コンデンサ
。
１、 ≦６
１６七４−
４４ ５ Ｂ ２レト−（Ｉ
ＬＩFigure 1 is a circuit diagram showing a conventional stabilized DC power supply;
The figure is a waveform diagram showing the state of each part in Fig. 1, Fig. 3 is a waveform diagram showing the state of each part in Fig. 1 when the temperature changes, and Fig. 4 is a waveform diagram showing the state of each part in Fig. 1.
The figure is a circuit diagram showing a stabilized DC power supply according to an embodiment of the present invention, Figure 5 is a characteristic diagram showing the relationship between ambient temperature and output voltage fluctuation, and Figure 6 is a modified example of a stabilized DC power supply. FIG. 1... Input terminal, 2... Output terminal, 3... DC power supply line, 4... Switching transistor, 5...
・First choke coil, 6...diode, 7...
・First smoothing capacitor, 8... Second choke coil, 9... Second smoothing capacitor, 10...
DC voltage detection circuit, 14... Coupling capacitor for ripple detection, 15... Voltage comparator, 17... Reference voltage circuit, 29... Resistor, 30... Capacitor for ripple detection. 1, ≦6 1674-44 5 B 2reto-(I
L.I.
Claims (1)
れたスイッチングトランジスタと、前記トランジスタの
出力側にて前記直流電源ラインに直列に接続されたチョ
ークコイルと前記チョークコイルの出力側にて前記直流
電源ラインに並列に接続された平滑用コンデンサと前記
チョークコイルの入力側にて前記直流電源ラインに並列
に接続された整流ダイオードとを少なくとも含む平滑回
路と、 前記トランジスタと前記チョークコイルとの間にて前記
直流電源ラインに抵抗を介して並列接続されたりプル検
出用コンデンサと、 前記平滑回路の出力段において直流出力電圧を検出する
出力電圧検出回路と、 前記出力電圧検出回路から得られる直流検出電圧と前記
リプル検出用コンデンサから得られるリプル成分とを重
畳したりプル含有検出電圧と基準電圧とを比較し、この
比較出力に基づいて前記トランジスタをオン・オフ制御
する比較制御回路と、から成るトランジスタ安定化直流
電源装置。[Claims for Utility Model Registration] A switching transistor connected in series to a DC power line between a DC power source and a load; a choke coil connected in series to the DC power line on the output side of the transistor; a smoothing circuit including at least a smoothing capacitor connected in parallel to the DC power supply line on the output side of the choke coil, and a rectifier diode connected in parallel to the DC power supply line on the input side of the choke coil; a pull detection capacitor connected in parallel to the DC power supply line via a resistor between the transistor and the choke coil; an output voltage detection circuit that detects the DC output voltage at the output stage of the smoothing circuit; and the output. The DC detection voltage obtained from the voltage detection circuit and the ripple component obtained from the ripple detection capacitor are superimposed, the pull-containing detection voltage is compared with a reference voltage, and the transistor is controlled to be turned on or off based on this comparison output. A transistor-stabilized DC power supply device consisting of a comparison control circuit and a comparison control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19696383U JPS60108193U (en) | 1983-12-21 | 1983-12-21 | Transistor stabilized DC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19696383U JPS60108193U (en) | 1983-12-21 | 1983-12-21 | Transistor stabilized DC power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60108193U true JPS60108193U (en) | 1985-07-23 |
| JPS644306Y2 JPS644306Y2 (en) | 1989-02-03 |
Family
ID=30754914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19696383U Granted JPS60108193U (en) | 1983-12-21 | 1983-12-21 | Transistor stabilized DC power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60108193U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005025041A1 (en) * | 2003-09-05 | 2005-03-17 | Shindengen Electric Manufacturing Co., Ltd. | Switching power supply |
| JP2010263726A (en) * | 2009-05-08 | 2010-11-18 | Fujitsu Semiconductor Ltd | Power supply device, control circuit, and method of controlling power supply device |
| JP4729404B2 (en) * | 2006-01-18 | 2011-07-20 | 株式会社アドバンテスト | Noise removal device, power supply device, and test device |
| JP2014018076A (en) * | 2013-10-31 | 2014-01-30 | Spansion Llc | Power supply device, control circuit, and method of controlling power supply device |
-
1983
- 1983-12-21 JP JP19696383U patent/JPS60108193U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005025041A1 (en) * | 2003-09-05 | 2005-03-17 | Shindengen Electric Manufacturing Co., Ltd. | Switching power supply |
| JP4729404B2 (en) * | 2006-01-18 | 2011-07-20 | 株式会社アドバンテスト | Noise removal device, power supply device, and test device |
| JP2010263726A (en) * | 2009-05-08 | 2010-11-18 | Fujitsu Semiconductor Ltd | Power supply device, control circuit, and method of controlling power supply device |
| JP2014018076A (en) * | 2013-10-31 | 2014-01-30 | Spansion Llc | Power supply device, control circuit, and method of controlling power supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS644306Y2 (en) | 1989-02-03 |
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