JPH0360882U - - Google Patents
Info
- Publication number
- JPH0360882U JPH0360882U JP11901689U JP11901689U JPH0360882U JP H0360882 U JPH0360882 U JP H0360882U JP 11901689 U JP11901689 U JP 11901689U JP 11901689 U JP11901689 U JP 11901689U JP H0360882 U JPH0360882 U JP H0360882U
- Authority
- JP
- Japan
- Prior art keywords
- control
- transformer
- winding
- terminal
- switching 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
- 238000004804 winding Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
本考案に用いるリンギングチヨーク型ＤＣ−ＤＣ
コンバータの基本回路図、第３図は従来例の回路
図である。
Ｔ……トランス、ｎ１……１次巻線、ｎ２……
２次巻線、ｎ３……第１の制御巻線、ｎ４……第
２の制御巻線、Ｑ１……トランジスタ、Ｒ３……
抵抗、Ｄ３……ダイオード、Ｒ４……抵抗、ＤＺ
２……ツエナーダイオード、１……第１の整流回
路、２……電流検出回路、３……制御回路。
Figure 1 is a circuit diagram of an embodiment of the present invention, and Figure 2 is a ringing chain yoke type DC-DC used in the present invention.
The basic circuit diagram of the converter, FIG. 3, is a circuit diagram of a conventional example. T...transformer, n1 ...primary winding, n2 ...
Secondary winding, n 3 ... first control winding, n 4 ... second control winding, Q 1 ... transistor, R 3 ...
Resistance, D 3 ... Diode, R 4 ... Resistance, DZ
2... Zener diode, 1... First rectifier circuit, 2... Current detection circuit, 3... Control circuit.
Claims (1)
イツチングするスイツチング手段と、上記トラン
スの２次巻線から得られる出力電圧を整流して直
流出力を導出する第１の整流回路と、上記トラン
スに設けた第１の制御巻線の出力電圧を整流して
上記スイツチング手段の制御端子にバイアス電流
を供給するバイアス供給手段と、上記第１の整流
回路の出力電流に応じ上記スイツチング手段のバ
イアス電流を制御する制御手段とを設け定電流電
源となるようにしたリンギングチヨーク型ＤＣ−
ＤＣコンバータにおいて、上記トランスの１次巻
線に印加される入力電圧に比例した負の電圧を発
生させる上記トランスに設けた第２の制御巻線と
、該第２の制御巻線の端子電圧を整流する第２の
整流回路と、該第２の整流回路の負の電圧端子と
上記スイツチング手段の制御端子間に設けた抵抗
とツエナーダイオードの直列回路とを設けたこと
を特徴とするＤＣ−ＤＣコンバータ。 a switching means for switching an input voltage applied to a primary winding of the transformer; a first rectifier circuit for rectifying an output voltage obtained from a secondary winding of the transformer to derive a DC output; bias supply means for rectifying the output voltage of the provided first control winding and supplying a bias current to the control terminal of the switching means; and bias supply means for supplying a bias current to the control terminal of the switching means; A ringing chain yoke type DC-DC which is equipped with a control means to control the current and serves as a constant current power source.
The DC converter includes a second control winding provided in the transformer that generates a negative voltage proportional to the input voltage applied to the primary winding of the transformer, and a terminal voltage of the second control winding. A DC-DC, characterized in that it is provided with a second rectifier circuit for rectification, and a series circuit of a resistor and a Zener diode provided between a negative voltage terminal of the second rectifier circuit and a control terminal of the switching means. converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11901689U JPH0360882U (en) | 1989-10-11 | 1989-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11901689U JPH0360882U (en) | 1989-10-11 | 1989-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0360882U true JPH0360882U (en) | 1991-06-14 |
Family
ID=31667157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11901689U Pending JPH0360882U (en) | 1989-10-11 | 1989-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360882U (en) |
-
1989
- 1989-10-11 JP JP11901689U patent/JPH0360882U/ja active Pending
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