JPS642584U - - Google Patents
Info
- Publication number
- JPS642584U JPS642584U JP9613887U JP9613887U JPS642584U JP S642584 U JPS642584 U JP S642584U JP 9613887 U JP9613887 U JP 9613887U JP 9613887 U JP9613887 U JP 9613887U JP S642584 U JPS642584 U JP S642584U
- Authority
- JP
- Japan
- Prior art keywords
- control element
- circuit
- starting
- power supply
- control
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案に係る電源回路のブロツク図、
第２図は同じく具体的な実施例における電気回路
図、第３図は従来の電源回路のブロツク図、第４
図は別の従来例におけるブロツク図である。
１，２……入力端、３，４……出力端、５……
制御素子、６……制御回路。
Figure 1 is a block diagram of the power supply circuit according to the present invention.
Fig. 2 is an electric circuit diagram in a similar concrete embodiment, Fig. 3 is a block diagram of a conventional power supply circuit, and Fig. 4 is a block diagram of a conventional power supply circuit.
The figure is a block diagram of another conventional example. 1, 2...Input end, 3, 4...Output end, 5...
Control element, 6...control circuit.
Claims (1)
直列に挿入された制御素子と、直流出力電圧を監
視し直流出力電圧が安定化する方向に前記制御素
子を制御する制御回路とを備える電源回路におい
て、前記制御回路の動作電源を前記出力端側から
得たことを特徴とする電源回路。 (2) 前記直流出力電圧は、前記入力端に与えら
れる直流入力電圧よりも低いことを特徴とする実
用新案登録請求の範囲第１項に記載の電源回路。 (3) 起動時に前記制御素子を導通させる起動回
路を備え、前記起動回路による前記制御素子の導
通により前記出力端側に現われる電圧を、前記制
御回路の動作開始電源とすることを特徴とする実
用新案登録請求の範囲第１項または第２項に記載
の電源回路。[Claims for Utility Model Registration] (1) A control element inserted in series in a power transmission line from an input end to an output end, and a control element that monitors a DC output voltage and directs the control element in a direction that stabilizes the DC output voltage. What is claimed is: 1. A power supply circuit comprising a control circuit for controlling said control circuit, characterized in that an operating power source for said control circuit is obtained from said output end side. (2) The power supply circuit according to claim 1, wherein the DC output voltage is lower than the DC input voltage applied to the input terminal. (3) A practical application characterized in that it includes a starting circuit that makes the control element conductive at the time of starting, and uses a voltage that appears at the output end side when the control element is made conductive by the starting circuit as a power source for starting the operation of the control circuit. A power supply circuit according to claim 1 or 2 of the patent registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987096138U JPH069585Y2 (en) | 1987-06-23 | 1987-06-23 | Switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987096138U JPH069585Y2 (en) | 1987-06-23 | 1987-06-23 | Switching power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS642584U true JPS642584U (en) | 1989-01-09 |
| JPH069585Y2 JPH069585Y2 (en) | 1994-03-09 |
Family
ID=31320963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987096138U Expired - Lifetime JPH069585Y2 (en) | 1987-06-23 | 1987-06-23 | Switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH069585Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03107367A (en) * | 1989-09-19 | 1991-05-07 | Mitsubishi Electric Corp | Chopper power supply |
| JP2006230112A (en) * | 2005-02-17 | 2006-08-31 | Arueido Kk | Control ic, dc/dc converter, and stabilized power supply voltage supplying method |
| JP2013026177A (en) * | 2011-07-26 | 2013-02-04 | Panasonic Corp | Led lighting device and luminaire using the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4724511U (en) * | 1971-04-09 | 1972-11-18 | ||
| JPS57180372A (en) * | 1981-04-25 | 1982-11-06 | Fujitsu Ltd | Dc/dc converter |
| JPS5835617A (en) * | 1981-08-26 | 1983-03-02 | Matsushita Electric Ind Co Ltd | Power supply device |
-
1987
- 1987-06-23 JP JP1987096138U patent/JPH069585Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4724511U (en) * | 1971-04-09 | 1972-11-18 | ||
| JPS57180372A (en) * | 1981-04-25 | 1982-11-06 | Fujitsu Ltd | Dc/dc converter |
| JPS5835617A (en) * | 1981-08-26 | 1983-03-02 | Matsushita Electric Ind Co Ltd | Power supply device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03107367A (en) * | 1989-09-19 | 1991-05-07 | Mitsubishi Electric Corp | Chopper power supply |
| JP2006230112A (en) * | 2005-02-17 | 2006-08-31 | Arueido Kk | Control ic, dc/dc converter, and stabilized power supply voltage supplying method |
| JP4669966B2 (en) * | 2005-02-17 | 2011-04-13 | アルエイド株式会社 | Control IC, DC / DC converter, and stabilized power supply method |
| JP2013026177A (en) * | 2011-07-26 | 2013-02-04 | Panasonic Corp | Led lighting device and luminaire using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH069585Y2 (en) | 1994-03-09 |