JPH0213325U - - Google Patents
Info
- Publication number
- JPH0213325U JPH0213325U JP9123988U JP9123988U JPH0213325U JP H0213325 U JPH0213325 U JP H0213325U JP 9123988 U JP9123988 U JP 9123988U JP 9123988 U JP9123988 U JP 9123988U JP H0213325 U JPH0213325 U JP H0213325U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- load
- switch connected
- semiconductor switch
- supply terminal
- 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
- 239000004065 semiconductor Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Control Of Voltage And Current In General (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す回路図である
。
５……正の電源端子、６……負の電源端子、１
１……第１の負荷側端子、１２……第２の負荷側
端子、１３……第１のトランジスタ（第１の半導
体スイツチ）、１４……第２のトランジスタ（第
２の半導体スイツチ）、１５……第３のトラスジ
スタ（第３の半導体スイツチ）、１６……第４の
トランジスタ（第４の半導体スイツチ）、１７…
…第１のドライブ回路、１８……第２のドライブ
回路。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. 5... Positive power terminal, 6... Negative power terminal, 1
1... First load side terminal, 12... Second load side terminal, 13... First transistor (first semiconductor switch), 14... Second transistor (second semiconductor switch), 15... Third transistor (third semiconductor switch), 16... Fourth transistor (fourth semiconductor switch), 17...
...first drive circuit, 18...second drive circuit.
Claims (1)
の極性を反転可能にして第１及び第２の負荷側端
子から出力させる極性反転回路において、前記正
の電源端子と第１の負荷側端子間に接続された第
１の半導体スイツチと、前記正の電源端子と第２
の負荷側端子間に接続された第２の半導体スイツ
チと、前記負の電源端子と第２の負荷側端子間に
接続された第３の半導体スイツチと、前記負の電
源端子と第１の負荷側端子間に接続された第４の
半導体スイツチと、通常時に前記第１及び第３の
半導体スイツチをオンさせる第１のドライブ回路
と、この第１のドライブ回路と相反して動作し停
電時に前記第２及び第４の半導体スイツチをオン
させる第２のドライブ回路とを備えたことを特徴
とする極性反転回路。 In a polarity reversing circuit that makes it possible to reverse the polarity of the DC voltage supplied to the positive and negative power supply terminals and outputs it from the first and second load side terminals, between the positive power supply terminal and the first load side terminal. a first semiconductor switch connected to the positive power supply terminal and a second semiconductor switch connected to the positive power supply terminal;
a second semiconductor switch connected between the load-side terminals of the switch, a third semiconductor switch connected between the negative power supply terminal and the second load-side terminal, and the negative power supply terminal and the first load. a fourth semiconductor switch connected between side terminals; a first drive circuit that turns on the first and third semiconductor switches during normal times; A polarity inversion circuit comprising: a second drive circuit that turns on second and fourth semiconductor switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9123988U JPH0213325U (en) | 1988-07-08 | 1988-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9123988U JPH0213325U (en) | 1988-07-08 | 1988-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0213325U true JPH0213325U (en) | 1990-01-26 |
Family
ID=31315720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9123988U Pending JPH0213325U (en) | 1988-07-08 | 1988-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0213325U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63178736A (en) * | 1987-01-20 | 1988-07-22 | 三菱電機株式会社 | Electric source |
-
1988
- 1988-07-08 JP JP9123988U patent/JPH0213325U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63178736A (en) * | 1987-01-20 | 1988-07-22 | 三菱電機株式会社 | Electric source |