JPS6274452U - - Google Patents
Info
- Publication number
- JPS6274452U JPS6274452U JP16571685U JP16571685U JPS6274452U JP S6274452 U JPS6274452 U JP S6274452U JP 16571685 U JP16571685 U JP 16571685U JP 16571685 U JP16571685 U JP 16571685U JP S6274452 U JPS6274452 U JP S6274452U
- Authority
- JP
- Japan
- Prior art keywords
- power output
- circuit
- power supply
- output
- supply circuit
- 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
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
第１図は本考案の一実施例に係る電源回路図、
第２図はその電源出力の立ち下がり特性図、第３
図は従来例における電源回路図、第４図はその電
源出力の立ち下がり特性図、第５図は本考案の開
発過程で提案された電源回路図である。
Ｑ１，ＺＤ，Ｒ５，Ｒ６……電圧検出回路、Ｑ
２，Ｑ３，Ｒ１，Ｒ２，Ｒ３……電力供給回路、
ＩＣ１，ＩＣ２……安定化電源回路。
FIG. 1 is a power supply circuit diagram according to an embodiment of the present invention,
Figure 2 is the falling characteristic diagram of the power supply output, Figure 3 is the falling characteristic diagram of the power supply output.
4 is a power supply circuit diagram of a conventional example, FIG. 4 is a falling characteristic diagram of the power supply output, and FIG. 5 is a power supply circuit diagram proposed during the development process of the present invention. Q 1 , ZD, R 5 , R 6 ... Voltage detection circuit, Q
2 , Q 3 , R 1 , R 2 , R 3 ... power supply circuit,
IC1, IC2...Stabilized power supply circuit.
Claims (1)
クロコンピユータ等の制御回路用で、第１の電源
出力より底い第２の電源出力とを備えた電子機器
用電源回路において、電源スイツチオフ時の前記
第２の電源出力の立ち下がりを検出して、第１の
電源出力回路の非安定部出力を第２の電源出力回
路の非安定部へ供給するようにした回路を設けた
ことを特徴とする電子機器用電源回路。 In a power supply circuit for an electronic device having a first power output for driving a motor, etc., and a second power output for a control circuit such as a microcomputer, which is lower than the first power output, The present invention is characterized in that a circuit is provided which detects a fall of the second power output and supplies the output of the unstable part of the first power output circuit to the unstable part of the second power output circuit. Power supply circuit for electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16571685U JPS6274452U (en) | 1985-10-30 | 1985-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16571685U JPS6274452U (en) | 1985-10-30 | 1985-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6274452U true JPS6274452U (en) | 1987-05-13 |
Family
ID=31096005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16571685U Pending JPS6274452U (en) | 1985-10-30 | 1985-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6274452U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55117431A (en) * | 1979-03-03 | 1980-09-09 | Canon Kk | Power supply system |
-
1985
- 1985-10-30 JP JP16571685U patent/JPS6274452U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55117431A (en) * | 1979-03-03 | 1980-09-09 | Canon Kk | Power supply system |