JPS6374833U - - Google Patents
Info
- Publication number
- JPS6374833U JPS6374833U JP16866886U JP16866886U JPS6374833U JP S6374833 U JPS6374833 U JP S6374833U JP 16866886 U JP16866886 U JP 16866886U JP 16866886 U JP16866886 U JP 16866886U JP S6374833 U JPS6374833 U JP S6374833U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- power switching
- circuit
- capacitor
- switches
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案実施例の回路構成を示す図、第
２図は従来例の回路構成を示す図である。
Ｑ１，Ｑ２，Ｑ３……トランジスタ、Ｃ１……
コンデンサ、Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５，Ｒ
６，Ｒ７……抵抗。
FIG. 1 is a diagram showing the circuit configuration of an embodiment of the present invention, and FIG. 2 is a diagram showing the circuit configuration of a conventional example. Q1, Q2, Q3...transistor, C1...
Capacitor, R1, R2, R3, R4, R5, R
6, R7...Resistance.
Claims (1)
に応じて上記電源スイツチング用トランジスタを
制御する制御用トランジスタを有する電源スイツ
チング回路において、電源回路の短絡に応じてス
イツチングするトランジスタと、このトランジス
タのスイツチングに応じて充電されるコンデンサ
と、このコンデンサの充電電圧の変化により上記
電源スイツチング用トランジスタをオフ状態にス
イツチングする回路とを備えたことを特徴とする
電源スイツチング回路。 In a power switching circuit having a power switching transistor and a control transistor that controls the power switching transistor according to a control signal, the power switching circuit includes a transistor that switches in response to a short circuit in the power supply circuit, and a transistor that is charged in response to switching of this transistor. A power switching circuit comprising: a capacitor; and a circuit that switches the power switching transistor to an OFF state according to a change in the charging voltage of the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16866886U JPH079563Y2 (en) | 1986-10-31 | 1986-10-31 | Power supply switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16866886U JPH079563Y2 (en) | 1986-10-31 | 1986-10-31 | Power supply switching circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6374833U true JPS6374833U (en) | 1988-05-18 |
| JPH079563Y2 JPH079563Y2 (en) | 1995-03-06 |
Family
ID=31101754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16866886U Expired - Lifetime JPH079563Y2 (en) | 1986-10-31 | 1986-10-31 | Power supply switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079563Y2 (en) |
-
1986
- 1986-10-31 JP JP16866886U patent/JPH079563Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079563Y2 (en) | 1995-03-06 |