JPH0468486U - - Google Patents
Info
- Publication number
- JPH0468486U JPH0468486U JP10891390U JP10891390U JPH0468486U JP H0468486 U JPH0468486 U JP H0468486U JP 10891390 U JP10891390 U JP 10891390U JP 10891390 U JP10891390 U JP 10891390U JP H0468486 U JPH0468486 U JP H0468486U
- Authority
- JP
- Japan
- Prior art keywords
- photocoupler
- transformer
- control circuit
- series
- light emitting
- 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
- 238000004804 winding Methods 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図及び第３図は本考案に係る温度ドリフト改良回
路を説明するための図、第４図は従来の温度ドリ
フト特性を示す特性図、第５図は本考案に係る温
度ドリフト特性の一例を示す特性図、第６図は従
来の出力電圧の立上り特性を示す特性図、第７図
は本考案に係る出力電圧の立上り特性の一例を示
す特性図、第８図は従来の直流安定化電源装置の
制御回路を示す回路図である。
ＳＴ１……スイツチング トランジスタ、Ｔ１
……トランス、ＣＯ１……制御回路、ＩＣ１……
ホトカプラ、ＩＣ２……シヤント レギユレータ
集積回路、ＺＤ……定電圧ダイオード、１０……
温度ドリフト改良回路、１１……出力電圧のソフ
ト立上り改良回路。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
3 and 3 are diagrams for explaining the temperature drift improvement circuit according to the present invention, FIG. 4 is a characteristic diagram showing conventional temperature drift characteristics, and FIG. 5 is an example of temperature drift characteristics according to the present invention. Figure 6 is a characteristic diagram showing a conventional output voltage rise characteristic, Figure 7 is a characteristic diagram showing an example of an output voltage rise characteristic according to the present invention, and Figure 8 is a conventional DC stabilized power supply device. FIG. 2 is a circuit diagram showing a control circuit of FIG. ST1...Switching transistor, T1
...Transformer, CO1...Control circuit, IC1...
Photocoupler, IC2...Shunt regulator integrated circuit, ZD... Constant voltage diode, 10...
Temperature drift improvement circuit, 11... Output voltage soft rise improvement circuit.
Claims (1)
チング トランジスタと、このスイツチング ト
ランジスタのベースに接続された制御回路と、こ
の制御回路と前記トランスの２次巻線に設けられ
た出力端子との間に接続されたホトカプラと、こ
のホトカプラの発光ダイオードに直列に接続され
たシヤント レギユレータ集積回路と、前記ホト
カプラの発光ダイオードに直列に接続された定電
圧ダイオードと、前記ホトカプラの発光ダイオー
ドとシヤント レギユレータ集積回路との接続点
に整流ダイオードを介して接続されたコンデサと
を具備することを特徴とする直流安定化電源装置
の制御回路。 A switching transistor connected in series to the primary winding of the transformer, a control circuit connected to the base of the switching transistor, and an output terminal provided to the secondary winding of the transformer between the control circuit and the secondary winding of the transformer. a shunt regulator integrated circuit connected in series to the light emitting diode of the photocoupler; a constant voltage diode connected in series to the light emitting diode of the photocoupler; and the light emitting diode of the photocoupler and the shunt regulator integrated circuit. 1. A control circuit for a DC stabilized power supply device, comprising: a capacitor connected to a connection point via a rectifier diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10891390U JP2548186Y2 (en) | 1990-10-19 | 1990-10-19 | Control circuit of DC stabilized power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10891390U JP2548186Y2 (en) | 1990-10-19 | 1990-10-19 | Control circuit of DC stabilized power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0468486U true JPH0468486U (en) | 1992-06-17 |
| JP2548186Y2 JP2548186Y2 (en) | 1997-09-17 |
Family
ID=31856055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10891390U Expired - Lifetime JP2548186Y2 (en) | 1990-10-19 | 1990-10-19 | Control circuit of DC stabilized power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2548186Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011097698A (en) * | 2009-10-28 | 2011-05-12 | Phihong Technology Co Ltd | Power supply system for reducing reverse current |
-
1990
- 1990-10-19 JP JP10891390U patent/JP2548186Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011097698A (en) * | 2009-10-28 | 2011-05-12 | Phihong Technology Co Ltd | Power supply system for reducing reverse current |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2548186Y2 (en) | 1997-09-17 |