JPS60171085U - switching regulator - Google Patents
switching regulatorInfo
- Publication number
- JPS60171085U JPS60171085U JP5532884U JP5532884U JPS60171085U JP S60171085 U JPS60171085 U JP S60171085U JP 5532884 U JP5532884 U JP 5532884U JP 5532884 U JP5532884 U JP 5532884U JP S60171085 U JPS60171085 U JP S60171085U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching regulator
- oscillation transistor
- control
- oscillation
- 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
- Protection Of Static Devices (AREA)
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図Ｃｉ従来のスイッチングレギュレータの回路図、
第２図は本考案の実施例のスイッチングレギュレータの
回路図、第３図は他の実施例のスイッチングレギュレー
タの回路図である。
１０は制御回路、１２は検出回路、１４は阻止回路。Fig. 1 Circuit diagram of a conventional switching regulator,
FIG. 2 is a circuit diagram of a switching regulator according to an embodiment of the present invention, and FIG. 3 is a circuit diagram of a switching regulator according to another embodiment. 10 is a control circuit, 12 is a detection circuit, and 14 is a blocking circuit.
Claims (5)
ンジスタと、この発振トランジスタのベースに起動電流
を与えて該発振トランジスタの発振動作を開始させる前
記出カドランスの駆動巻線と、前記発振トランジスタの
発振動作開始後に該発振トランジスタのベースに駆動電
流を与えてそのスイッチング動作を制御する制御回路と
を備えたスイッチングレギュレータにおいて、前記制御
回路の制御動作開始を検出する検出回路と、前記発振ト
ランジスタρベースと前記駆動巻線との接続点に接続さ
れ、かつ入力された前記検出回路の検出出力に応答して
該発振ド ランジスタのベースに前記起動電流の
流入を阻止する阻止回路とを含むことを特徴とする、ス
イッチングレギュレータ。゛ 。(1) An oscillation transistor connected to the primary winding of the output transformer, a drive winding of the output transformer that applies a starting current to the base of the oscillation transistor to start the oscillation operation of the oscillation transistor, and the oscillation transistor. A switching regulator comprising: a control circuit that applies a drive current to the base of the oscillation transistor to control its switching operation after the oscillation operation of the transistor starts; a detection circuit that detects the start of the control operation of the control circuit; and the oscillation transistor. and a blocking circuit connected to a connection point between the ρ base and the drive winding, and blocking the starting current from flowing into the base of the oscillation transistor in response to the input detection output of the detection circuit. A switching regulator featuring:゛.
入力部との間に接続され、かつ前記制御回路の制御動作
開始電圧を越える電圧が前記駆動巻線から与えられるこ
とにより所定の検出出力を形成して出力ｊるものである
、前記実用新案登録請求の範囲第１項に記載のスイッチ
ングレギュレータ。(2) The detection circuit is connected between the drive winding and the input part of the blocking circuit, and a voltage exceeding a control operation start voltage of the control circuit is applied from the drive winding to perform a predetermined operation. The switching regulator according to claim 1, which forms and outputs a detection output.
前記実用新案登録請求の範囲第２項に記載のスイッチン
グレギュレータ。(3) The switching regulator according to claim 2, wherein the detection circuit is a Zener diode.
止回路の入力部との間に接続され、かつ前記制御回路の
出力部から制御動作開始の駆動電流が与えられることに
より所定の時間遅れで所定の検出出力を形成して出力す
るものである前記実用新案登録請求の範囲第１項に記載
のスイッチ 。 ングレギュレータ。(4) The detection circuit is connected between the output part of the control circuit and the input part of the blocking circuit, and a drive current for starting the control operation is applied from the output part of the control circuit, thereby causing a predetermined time delay. The switch according to claim 1, wherein the switch forms and outputs a predetermined detection output. regulator.
定数回路を含むものである前記実用新案登録請求の範囲
第４項に艷載のスイッチングレギュレーター ′(5) The switching regulator according to claim 4 of the utility model registration, wherein the detection circuit includes a time constant circuit made of a resistor and a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5532884U JPS60171085U (en) | 1984-04-13 | 1984-04-13 | switching regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5532884U JPS60171085U (en) | 1984-04-13 | 1984-04-13 | switching regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60171085U true JPS60171085U (en) | 1985-11-13 |
| JPH0229827Y2 JPH0229827Y2 (en) | 1990-08-10 |
Family
ID=30577899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5532884U Granted JPS60171085U (en) | 1984-04-13 | 1984-04-13 | switching regulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60171085U (en) |
-
1984
- 1984-04-13 JP JP5532884U patent/JPS60171085U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0229827Y2 (en) | 1990-08-10 |
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