JPS6050536U - blocking oscillation circuit - Google Patents
blocking oscillation circuitInfo
- Publication number
- JPS6050536U JPS6050536U JP14234083U JP14234083U JPS6050536U JP S6050536 U JPS6050536 U JP S6050536U JP 14234083 U JP14234083 U JP 14234083U JP 14234083 U JP14234083 U JP 14234083U JP S6050536 U JPS6050536 U JP S6050536U
- Authority
- JP
- Japan
- Prior art keywords
- base
- switching transistor
- oscillation circuit
- blocking oscillation
- drive current
- 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
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図は従来のブロッキング発振回路を利用したＤＣ−
ＤＣコンバータの構成を示した回路図、第２図は本考案
によるブロッキング発振回路の一実施例を利用したＤＣ
−ＤＣコンバータの構成ヲ示した回路図、第３図は第１
図及び第２図に示したＤＣ−ＤＣコンバータの出力特性
を示した図で、実線は第１図の回路における出力特性を
、破線は第２図の回路における出力特性を示している。
１．２・・・入力電圧端子、９．１０・・・出力電圧端
子、１１．１１’・・・駆動電流回路、Ｔ□・・・トラ
ンス、Ｎ□・・・トランスＴ１の入力巻線（−次巻線）
、Ｎ２・・・トランスＴ１の駆動巻線（二次巻線）、Ｎ
３・・・トランスＴ□の出力巻線（三次巻線）、Ｒ−？
Ｒｂ ＝ Ｒ□・・・抵抗、Ｑ□・・・スイッチングト
ランジスタ、Ｄ□９ Ｄ２？ Ｄ３・・・ダイオード、
Ｄｚ□・・・ツェナダイオード、ｃｉｔ Ｃ２９Ｃ３・
・・コンデンサ。Figure 1 shows a DC-DC circuit using a conventional blocking oscillation circuit.
A circuit diagram showing the configuration of a DC converter, Figure 2 is a DC converter using an embodiment of the blocking oscillation circuit according to the present invention.
-Circuit diagram showing the configuration of the DC converter, Figure 3 is the first
2 is a diagram showing the output characteristics of the DC-DC converter shown in FIG. 1 and FIG. 2, where the solid line shows the output characteristic in the circuit of FIG. 1, and the broken line shows the output characteristic in the circuit of FIG. 2. 1.2...Input voltage terminal, 9.10...Output voltage terminal, 11.11'...Drive current circuit, T□...Transformer, N□...Input winding of transformer T1 ( - next winding)
, N2... Drive winding (secondary winding) of transformer T1, N
3...Output winding (tertiary winding) of transformer T□, R-?
Rb = R□...Resistor, Q□...Switching transistor, D□9 D2? D3...diode,
Dz□・・・Zena diode, cit C29C3・
...Capacitor.
Claims (1)
ジスタのベースに起動電流を流すために前記スイッチン
グトランジスタのベースと入力電源との間に接続された
起動抵抗と、前記スイッチングトランジスタのベースと
エミッタの間に設けられ、前記スイッチングトラン７ジ
スタのベースに駆動電流を流すための駆動巻線を有する
駆動電流回路と、を具備したブロッキング発振回路にお
いて、前記駆動電流回路内に、前記起動電流が前記スイ
ッチングトランジスタのベースに直接流入する向きに、
かつ導通方向を前記駆動電流が前記スイッチングトラン
ジスタのベースに流れる方向に、前記駆動巻線と前記ス
イッチングトランジスタのベースとの間にダイオードを
設けたことを特徴とするブロッキング発振回路。a switching transistor, a starting resistor connected between the base of the switching transistor and an input power source for causing a starting current to flow through the base of the switching transistor, and a starting resistor provided between the base and emitter of the switching transistor, A blocking oscillation circuit comprising: a drive current circuit having a drive winding for flowing a drive current to a base of a transistor; in the drive current circuit, the starting current flows directly into the base of the switching transistor; In the direction
A blocking oscillation circuit characterized in that a diode is provided between the drive winding and the base of the switching transistor so that the conduction direction is in the direction in which the drive current flows to the base of the switching transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14234083U JPS6050536U (en) | 1983-09-16 | 1983-09-16 | blocking oscillation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14234083U JPS6050536U (en) | 1983-09-16 | 1983-09-16 | blocking oscillation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6050536U true JPS6050536U (en) | 1985-04-09 |
Family
ID=30318083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14234083U Pending JPS6050536U (en) | 1983-09-16 | 1983-09-16 | blocking oscillation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6050536U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5134685U (en) * | 1974-09-05 | 1976-03-15 |
-
1983
- 1983-09-16 JP JP14234083U patent/JPS6050536U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5134685U (en) * | 1974-09-05 | 1976-03-15 |
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