JPS6289011U - - Google Patents
Info
- Publication number
- JPS6289011U JPS6289011U JP17701785U JP17701785U JPS6289011U JP S6289011 U JPS6289011 U JP S6289011U JP 17701785 U JP17701785 U JP 17701785U JP 17701785 U JP17701785 U JP 17701785U JP S6289011 U JPS6289011 U JP S6289011U
- Authority
- JP
- Japan
- Prior art keywords
- control current
- transistor
- load
- circuit
- supply means
- 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
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例の回路図、第２図は
本考案の他の実施例の回路図、第３図、第４図は
従来例の回路図、第５図はスイツチング電源回路
の特性図である。
４…（スイツチング）電源回路、６…ＶＴＲ本
体（負荷回路）、Ｑ４…トランジスタ、２０…第
１ベース電流供給手段（第１制御電流供給手段）
、２３…第２ベース電流供給手段（第２制御電流
供給手段）。
Figure 1 is a circuit diagram of one embodiment of the present invention, Figure 2 is a circuit diagram of another embodiment of the present invention, Figures 3 and 4 are circuit diagrams of a conventional example, and Figure 5 is a switching power supply circuit. FIG. 4... (switching) power supply circuit, 6... VTR body (load circuit), Q4... transistor, 20... first base current supply means (first control current supply means)
, 23... Second base current supply means (second control current supply means).
Claims (1)
イツチング制御するトランジスタと、前記負荷回
路が高負荷の時に前記トランジスタに第１制御電
流を供給する第１制御電流供給手段と、前記負荷
回路が低負荷の時に前記トランジスタに前記第１
制御電流よりも小さな第２制御電流を供給する第
２制御電流供給手段とから成る電源回路の出力制
御用スイツチ回路。 a transistor that switches and controls the supply of a constant voltage output of a power supply circuit to a load circuit; a first control current supply means that supplies a first control current to the transistor when the load circuit is under high load; When the load is applied to the transistor, the first
and second control current supply means for supplying a second control current smaller than the control current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17701785U JPS6289011U (en) | 1985-11-18 | 1985-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17701785U JPS6289011U (en) | 1985-11-18 | 1985-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6289011U true JPS6289011U (en) | 1987-06-06 |
Family
ID=31117819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17701785U Pending JPS6289011U (en) | 1985-11-18 | 1985-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6289011U (en) |
-
1985
- 1985-11-18 JP JP17701785U patent/JPS6289011U/ja active Pending