JPS6211390U - - Google Patents
Info
- Publication number
- JPS6211390U JPS6211390U JP10324185U JP10324185U JPS6211390U JP S6211390 U JPS6211390 U JP S6211390U JP 10324185 U JP10324185 U JP 10324185U JP 10324185 U JP10324185 U JP 10324185U JP S6211390 U JPS6211390 U JP S6211390U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- circuit
- oscillation
- power supply
- turned
- 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
- 230000010355 oscillation Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の電源回路の構成を示す回路図
、第２図は第１図の制御回路を詳細に示す回路図
、第３図は第２図の要部の出力波形図、第４図は
本考案の出力発生状態を示す図、第５図は電源回
路の従来例を示す回路図、第６図は第５図の出力
発生状態を示す図である。
１……整流回路、３，４……第１、第２スイツ
チング発振回路、１４……制御回路。
Fig. 1 is a circuit diagram showing the configuration of the power supply circuit of the present invention, Fig. 2 is a circuit diagram showing the control circuit of Fig. 1 in detail, Fig. 3 is an output waveform diagram of the main part of Fig. 2, and Fig. 4 is a circuit diagram showing the configuration of the power supply circuit of the present invention. 5 is a circuit diagram showing a conventional example of a power supply circuit, and FIG. 6 is a diagram showing an output generation state of FIG. 5. 1... Rectifier circuit, 3, 4... First and second switching oscillation circuits, 14... Control circuit.
Claims (1)
発振回路と、１２Ｖ等の他の電圧を発生する第２
スイツチング発振回路が個別に設けられたスイツ
チング方式の電源回路に於いて、電源ＯＮ時第１
スイツチング発振回路の発振開始から所定期間後
第２スイツチング発振回路の発振を開始させる遅
延手段と、電源ＯＦＦ時第２スイツチング発振回
路の発振を第１スイツチング発振回路より早く停
止させる手段を設けたことを特徴とする電源回路
。 A first switching oscillator circuit generates a predetermined voltage such as 5V, and a second switching oscillator circuit generates another voltage such as 12V.
In a switching type power supply circuit in which a switching oscillator circuit is individually provided, when the power is turned on, the first
A delay means for starting oscillation of the second switching oscillation circuit after a predetermined period from the start of oscillation of the switching oscillation circuit, and a means for stopping oscillation of the second switching oscillation circuit earlier than the first switching oscillation circuit when the power is turned off are provided. Features a power supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985103241U JP2516379Y2 (en) | 1985-07-05 | 1985-07-05 | Power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985103241U JP2516379Y2 (en) | 1985-07-05 | 1985-07-05 | Power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6211390U true JPS6211390U (en) | 1987-01-23 |
| JP2516379Y2 JP2516379Y2 (en) | 1996-11-06 |
Family
ID=30975613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985103241U Expired - Lifetime JP2516379Y2 (en) | 1985-07-05 | 1985-07-05 | Power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2516379Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5485328U (en) * | 1977-11-30 | 1979-06-16 |
-
1985
- 1985-07-05 JP JP1985103241U patent/JP2516379Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5485328U (en) * | 1977-11-30 | 1979-06-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2516379Y2 (en) | 1996-11-06 |
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