JPS6393786U - - Google Patents
Info
- Publication number
- JPS6393786U JPS6393786U JP18728786U JP18728786U JPS6393786U JP S6393786 U JPS6393786 U JP S6393786U JP 18728786 U JP18728786 U JP 18728786U JP 18728786 U JP18728786 U JP 18728786U JP S6393786 U JPS6393786 U JP S6393786U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- input voltage
- chopper device
- darlington connected
- 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 5
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は、本考案によるトランジスタチヨツパ
装置の主要部の一実施例のブロツク図、第２図は
、第１図の装置によるベース電流の波形図、第３
図は従来のトランジスタチヨツパ装置の回路図、
第４図は、第３図の装置によるベース電流の波形
図、第５図ａおよび第５図ｂはダーリントントラ
ンジスタを例示する回路図である。
１２Ａ，１２Ｂ…ダーリントントランジスタ、
１９…ベース駆動回路、２０…回路手段。
FIG. 1 is a block diagram of an embodiment of the main part of the transistor chopper device according to the present invention, FIG. 2 is a waveform diagram of the base current by the device of FIG. 1, and FIG.
The figure shows a circuit diagram of a conventional transistor chopper device.
FIG. 4 is a waveform diagram of the base current in the device of FIG. 3, and FIGS. 5a and 5b are circuit diagrams illustrating a Darlington transistor. 12A, 12B...Darlington transistor,
19...Base drive circuit, 20...Circuit means.
Claims (1)
素子として、直流入力電圧をオンオフし、該直流
入力電圧と異なる直流出力電圧を得るトランジス
タチヨツパ装置において、 上記ダーリントン接続トランジスタのベース駆
動回路と上記ベースとの間に電流の急激な変化を
抑制する回路手段を設けたことを特徴とするトラ
ンジスタチヨツパ装置。[Claims for Utility Model Registration] In a transistor chopper device that uses a Darlington connected transistor as an electronic switch element to turn on and off a DC input voltage to obtain a DC output voltage different from the DC input voltage, a base drive circuit of the Darlington connected transistor. A transistor chopper device characterized in that a circuit means for suppressing sudden changes in current is provided between the base and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18728786U JPS6393786U (en) | 1986-12-04 | 1986-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18728786U JPS6393786U (en) | 1986-12-04 | 1986-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6393786U true JPS6393786U (en) | 1988-06-17 |
Family
ID=31137631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18728786U Pending JPS6393786U (en) | 1986-12-04 | 1986-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6393786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11201536B2 (en) | 2019-11-15 | 2021-12-14 | Fuji Electric Co., Ltd. | Switching control circuit and semiconductor device |
-
1986
- 1986-12-04 JP JP18728786U patent/JPS6393786U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11201536B2 (en) | 2019-11-15 | 2021-12-14 | Fuji Electric Co., Ltd. | Switching control circuit and semiconductor device |