JPS6281434U - - Google Patents
Info
- Publication number
- JPS6281434U JPS6281434U JP17296985U JP17296985U JPS6281434U JP S6281434 U JPS6281434 U JP S6281434U JP 17296985 U JP17296985 U JP 17296985U JP 17296985 U JP17296985 U JP 17296985U JP S6281434 U JPS6281434 U JP S6281434U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- prevention element
- ground
- power supply
- reverse current
- 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
- 230000002265 prevention Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は従来の電源回路のブロツク図である。
１……三端子レギユレータ、１ａ……入力端子
、１ｂ……アース端子、１ｃ……出力端子、２，
６……コンデンサ（バツクアツプ電源部）、３…
…ダイオード（逆流電流防止素子）、４……ダイ
オード（電圧降下防止素子）。
Figure 1 is a block diagram of one embodiment of the present invention;
The figure is a block diagram of a conventional power supply circuit. 1...Three terminal regulator, 1a...Input terminal, 1b...Ground terminal, 1c...Output terminal, 2,
6... Capacitor (backup power supply section), 3...
... Diode (reverse current prevention element), 4... Diode (voltage drop prevention element).
Claims (1)
直流電圧を安定化して出力端子と前記アース端子
との間から出力する三端子レギユレータと、この
三端子レギユレータの前記出力端子とアースとの
間に設けられたバツクアツプ電源部と、このバツ
クアツプ電源部と前記出力端子との間に接続され
た逆流電流防止素子と、前記アース端子とアース
との間に接続された電圧降下防止素子とを具備す
る電源回路。 (2) 逆流電流防止素子と電圧降下防止素子とは
、夫々、同特性のダイオードであることを特徴と
する実用新案登録請求の範囲第(1)項記載の電源
回路。[Claims for Utility Model Registration] (1) A three-terminal regulator that stabilizes a DC voltage applied between an input terminal and a ground terminal and outputs it from between an output terminal and the ground terminal, and this three-terminal regulator. a backup power supply section provided between the output terminal and the ground; a reverse current prevention element connected between the backup power supply section and the output terminal; and a reverse current prevention element connected between the ground terminal and the ground. A power supply circuit equipped with a voltage drop prevention element. (2) The power supply circuit according to claim (1), wherein the reverse current prevention element and the voltage drop prevention element are diodes having the same characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17296985U JPS6281434U (en) | 1985-11-12 | 1985-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17296985U JPS6281434U (en) | 1985-11-12 | 1985-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6281434U true JPS6281434U (en) | 1987-05-25 |
Family
ID=31109994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17296985U Pending JPS6281434U (en) | 1985-11-12 | 1985-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6281434U (en) |
-
1985
- 1985-11-12 JP JP17296985U patent/JPS6281434U/ja active Pending