JPH0280832U - - Google Patents
Info
- Publication number
- JPH0280832U JPH0280832U JP15880588U JP15880588U JPH0280832U JP H0280832 U JPH0280832 U JP H0280832U JP 15880588 U JP15880588 U JP 15880588U JP 15880588 U JP15880588 U JP 15880588U JP H0280832 U JPH0280832 U JP H0280832U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- regulator
- output
- polarity
- power supply
- 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)
- Control Of Electrical Variables (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例である電圧変換回路
を用いる車載用電子機器の電気回路図、第２図は
第１図のレギユレータ２を説明するための電気回
路図、第３図は第２図の回路動作を説明するため
のタイミングチヤート、第４図はレギユレータ２
の入力電圧に対する出力電圧の特性を表すグラフ
、第５図はホトカプラ１３を用いる他の実施例、
第６図は従来のＤＣ−ＤＣコンバータの電気ブロ
ツク図、第７図は第６図に示すＤＣ−ＤＣコンバ
ータの動作を説明するためのタイミングチヤート
である。
１……バツテリ、２……レギユレータ、３……
電子回路、ｌ１〜ｌ３……電源ライン。
FIG. 1 is an electric circuit diagram of an in-vehicle electronic device using a voltage conversion circuit which is an embodiment of the present invention, FIG. 2 is an electric circuit diagram for explaining the regulator 2 of FIG. 1, and FIG. Timing chart for explaining the circuit operation in Figure 2, Figure 4 is regulator 2.
A graph showing the characteristics of the output voltage with respect to the input voltage, FIG. 5 shows another embodiment using the photocoupler 13,
FIG. 6 is an electrical block diagram of a conventional DC-DC converter, and FIG. 7 is a timing chart for explaining the operation of the DC-DC converter shown in FIG. 1...Battery, 2...Regulator, 3...
Electronic circuit, l1-l3...power line.
Claims (1)
定める電圧へ変換する極性反転レギユレータとを
備え、 前記極性反転レギユレータの共通端子から出力
される電圧を正極とし、その出力端子から出力さ
れる電圧を負極として、他の電子回路へ変換され
た電圧を供給することを特徴とする電圧変換回路
。[Claims for Utility Model Registration] A DC power supply, and a polarity reversal regulator that converts the output voltage of the DC power supply into a predetermined voltage with reversed polarity, the voltage output from the common terminal of the polarity reversal regulator being a positive polarity. What is claimed is: 1. A voltage conversion circuit, characterized in that the voltage outputted from the output terminal thereof is used as a negative electrode, and the converted voltage is supplied to another electronic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15880588U JPH0280832U (en) | 1988-12-05 | 1988-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15880588U JPH0280832U (en) | 1988-12-05 | 1988-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280832U true JPH0280832U (en) | 1990-06-21 |
Family
ID=31439465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15880588U Pending JPH0280832U (en) | 1988-12-05 | 1988-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280832U (en) |
-
1988
- 1988-12-05 JP JP15880588U patent/JPH0280832U/ja active Pending
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