JPS6295491U - - Google Patents
Info
- Publication number
- JPS6295491U JPS6295491U JP18764485U JP18764485U JPS6295491U JP S6295491 U JPS6295491 U JP S6295491U JP 18764485 U JP18764485 U JP 18764485U JP 18764485 U JP18764485 U JP 18764485U JP S6295491 U JPS6295491 U JP S6295491U
- Authority
- JP
- Japan
- Prior art keywords
- switching element
- control
- current
- output signal
- circuit
- 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
- 238000009499 grossing Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例を示す定電圧電源回
路の回路図、第２図は同各出力端の波形図、第３
図は従来の定電圧電源回路の回路図、第４図は同
各出力端の波形図である。
３：制御回路、４：パルス発生回路、Ｌ：平滑
用チヨークコイル、ＬＢ：チヨークコイル、Ｑ１
：スイツチング素子、ＲＢ：抵抗体。
Fig. 1 is a circuit diagram of a constant voltage power supply circuit showing an embodiment of the present invention, Fig. 2 is a waveform diagram of each output terminal of the same, and Fig. 3 is a circuit diagram of a constant voltage power supply circuit showing an embodiment of the present invention.
The figure is a circuit diagram of a conventional constant voltage power supply circuit, and FIG. 4 is a waveform diagram of each output terminal of the same. 3: control circuit, 4: pulse generation circuit, L: smoothing coil, LB: coil, Q1
: switching element, RB: resistor.
Claims (1)
イツチング素子の出力信号を平滑する平滑用チヨ
ークコイルと、該スイツチング素子を制御する制
御回路と、該制御回路の出力信号によりパルス電
流を供給するパルス発生回路とを具え、前記スイ
ツチング素子の制御信号入力端子に、前記パルス
発生回路の出力信号により前記スイツチング素子
を導通開始させるのに必要な最大電流を一定時間
供給する抵抗体と、前記制御回路の出力信号によ
り前記平滑用チヨークコイルを負荷とするスイツ
チング素子の出力電流の漸増に対して必要な制御
電流を漸増して供給する制御電流漸増用のチヨー
クコイルとが並列に接続されたことを特徴とする
定電圧電源回路。 A switching element that is subjected to self-excited oscillation control, a smoothing coil that smoothes an output signal of the switching element, a control circuit that controls the switching element, and a pulse generation circuit that supplies a pulse current based on the output signal of the control circuit. a resistor that supplies, to the control signal input terminal of the switching element, a maximum current necessary for starting conduction of the switching element by the output signal of the pulse generation circuit for a certain period of time; A constant voltage power supply circuit characterized in that a control current increasing coil is connected in parallel to gradually increase a necessary control current in response to a gradual increase in the output current of a switching element whose load is the smoothing coil. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18764485U JPS6295491U (en) | 1985-12-04 | 1985-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18764485U JPS6295491U (en) | 1985-12-04 | 1985-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6295491U true JPS6295491U (en) | 1987-06-18 |
Family
ID=31138291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18764485U Pending JPS6295491U (en) | 1985-12-04 | 1985-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6295491U (en) |
-
1985
- 1985-12-04 JP JP18764485U patent/JPS6295491U/ja active Pending