JPS6125051U - Backup power supply circuit - Google Patents
Backup power supply circuitInfo
- Publication number
- JPS6125051U JPS6125051U JP10649284U JP10649284U JPS6125051U JP S6125051 U JPS6125051 U JP S6125051U JP 10649284 U JP10649284 U JP 10649284U JP 10649284 U JP10649284 U JP 10649284U JP S6125051 U JPS6125051 U JP S6125051U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- backup power
- supply circuit
- capacitor
- memory
- 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
Landscapes
- Power Sources (AREA)
- Stand-By Power Supply Arrangements (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
第１図は本考案の一実施例の回路図、第２図は本考案の
実施例と従来例とのバックアップ電圧特性曲線図、第３
図は本考案の他の実施例の回路図、第４図は第３図の実
施例のパックアップ電圧特性曲線図、第５区は従来例の
回路図である。
１はメモリ、２はコンデンサ、３は第１のダイオード、
４はスイッチ、５は電源、６は抵抗、７は第２のダイオ
ードである。[Brief Description of the Drawings] Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is a backup voltage characteristic curve diagram of the embodiment of the present invention and a conventional example, and Fig. 3 is a diagram of a backup voltage characteristic curve of an embodiment of the present invention and a conventional example.
The figure is a circuit diagram of another embodiment of the present invention, FIG. 4 is a back-up voltage characteristic curve diagram of the embodiment of FIG. 3, and Section 5 is a circuit diagram of a conventional example. 1 is a memory, 2 is a capacitor, 3 is a first diode,
4 is a switch, 5 is a power supply, 6 is a resistor, and 7 is a second diode.
Claims (1)
として供給するバックアップ電源回路に於いて、前記コ
ンデンサと前記メモリとの間に抵抗を接続し、前記コン
デンサと該コンデンサを充電する電源との間に第１のダ
イオードを接続し、電源から前記メモリの動作電圧を供
給する第２のタイオードを接続したことを特徴とするバ
ックアップ電源回路。In a backup power supply circuit that supplies a charging voltage of a capacitor as a backup power supply voltage of a memory, a resistor is connected between the capacitor and the memory, and a first resistor is connected between the capacitor and the power supply for charging the capacitor. A backup power supply circuit characterized in that a diode is connected to the second diode for supplying an operating voltage of the memory from a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10649284U JPS6125051U (en) | 1984-07-16 | 1984-07-16 | Backup power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10649284U JPS6125051U (en) | 1984-07-16 | 1984-07-16 | Backup power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6125051U true JPS6125051U (en) | 1986-02-14 |
Family
ID=30665780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10649284U Pending JPS6125051U (en) | 1984-07-16 | 1984-07-16 | Backup power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6125051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107249U (en) * | 1988-01-12 | 1989-07-19 | ||
| JP2019205287A (en) * | 2018-05-24 | 2019-11-28 | 三菱電機株式会社 | Power conversion apparatus and dc power supply system |
-
1984
- 1984-07-16 JP JP10649284U patent/JPS6125051U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01107249U (en) * | 1988-01-12 | 1989-07-19 | ||
| JP2019205287A (en) * | 2018-05-24 | 2019-11-28 | 三菱電機株式会社 | Power conversion apparatus and dc power supply system |
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