JPS60153688U - DC-DC converter - Google Patents
DC-DC converterInfo
- Publication number
- JPS60153688U JPS60153688U JP4157384U JP4157384U JPS60153688U JP S60153688 U JPS60153688 U JP S60153688U JP 4157384 U JP4157384 U JP 4157384U JP 4157384 U JP4157384 U JP 4157384U JP S60153688 U JPS60153688 U JP S60153688U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- winding
- detection
- excitation winding
- 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
Landscapes
- Dc-Dc Converters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の装置を示す回路図、第２図はその動作説
明するための特性図、第３図は本考案の一実施例回路図
、第４図はその動作説明のための特性図、第５図は本考
案の他の実施例に用いられる起動電圧抑制回路を示す回
路図、第６図はそれを用いた回路の動作説明のための特
性図、第７図、第８図は他の実施例に用いられる起動電
圧抑制回路を示す回路図、第９図は出力電圧一定にする
回路に本考案を適用した実施例回路図、第１０図〜第１
２図はそれに用いられる起動電圧抑制回路の他の実施例
を示す回路図である。
１・・・発振駆動回路、２・・・整流平滑回路、３・・
・検出回路、４・・・制御回路、５・・・起動電圧抑制
回路、６・・・負電源回路、Ｅ・・・入力電源、Ｔ・・
・トランス、Ｎ□・・・１次巻線、Ｎ２・・・２次巻線
、Ｎ３・・・励振巻線。
第７図 第８図
第１１図Fig. 1 is a circuit diagram showing a conventional device, Fig. 2 is a characteristic diagram for explaining its operation, Fig. 3 is a circuit diagram of an embodiment of the present invention, and Fig. 4 is a characteristic diagram for explaining its operation. , FIG. 5 is a circuit diagram showing a starting voltage suppression circuit used in another embodiment of the present invention, FIG. 6 is a characteristic diagram for explaining the operation of a circuit using the circuit, and FIGS. 7 and 8 are A circuit diagram showing a starting voltage suppression circuit used in another embodiment, FIG. 9 is an embodiment circuit diagram in which the present invention is applied to a circuit that keeps the output voltage constant, and FIGS.
FIG. 2 is a circuit diagram showing another embodiment of the starting voltage suppression circuit used therein. 1... Oscillation drive circuit, 2... Rectification and smoothing circuit, 3...
・Detection circuit, 4... Control circuit, 5... Starting voltage suppression circuit, 6... Negative power supply circuit, E... Input power supply, T...
・Transformer, N□...Primary winding, N2...Secondary winding, N3...Excitation winding. Figure 7 Figure 8 Figure 11
Claims (1)
、前記１次巻線の一端に接続された入力電源と、前記１
次巻線の他端に接続された発振トランジスタ、前記励振
巻線及びこの一端に接続されたＣＲ直列回路を含む発振
駆動回路と、この発振駆動回路を駆動する駆動用トラン
ジスタと、前記２次巻線に接続された出力を取り出すた
めの整流平滑回路と、該出力を検出するものであって、
検出出力の交流成分を除去するための検出用コンデンサ
を含む検出回路と、該検出回路の出力を入力し、これに
基づいて前記駆動用トランジスタを制御する制御回路と
からなるコンバータにおいて、前記発振駆動回路の入力
端と、前記励振巻線の一端との間に、起動時に発生する
電圧を吸収するためのコンデンサを主体とする起動電圧
抑制回路と、負電圧を発生する負電源回路とを直列接続
したことを特徴とするＤＣ−ＤＣコンバータ。a transformer comprising a primary winding, a secondary winding and an excitation winding; an input power source connected to one end of the primary winding;
an oscillation drive circuit including an oscillation transistor connected to the other end of the secondary winding, the excitation winding and a CR series circuit connected to one end of the excitation winding; a drive transistor for driving this oscillation drive circuit; A rectifying and smoothing circuit for taking out the output connected to the line, and detecting the output,
In the converter, the converter includes a detection circuit including a detection capacitor for removing an alternating current component of the detection output, and a control circuit that inputs the output of the detection circuit and controls the drive transistor based on the output of the detection circuit. A starting voltage suppression circuit mainly composed of a capacitor for absorbing the voltage generated at starting and a negative power supply circuit that generates a negative voltage are connected in series between the input end of the circuit and one end of the excitation winding. A DC-DC converter characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4157384U JPS60153688U (en) | 1984-03-22 | 1984-03-22 | DC-DC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4157384U JPS60153688U (en) | 1984-03-22 | 1984-03-22 | DC-DC converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60153688U true JPS60153688U (en) | 1985-10-14 |
| JPH0223110Y2 JPH0223110Y2 (en) | 1990-06-22 |
Family
ID=30551526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4157384U Granted JPS60153688U (en) | 1984-03-22 | 1984-03-22 | DC-DC converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60153688U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6227027U (en) * | 1985-07-31 | 1987-02-19 |
-
1984
- 1984-03-22 JP JP4157384U patent/JPS60153688U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6227027U (en) * | 1985-07-31 | 1987-02-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0223110Y2 (en) | 1990-06-22 |
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