JPS6077290U - Pulse width controlled switching regulator - Google Patents
Pulse width controlled switching regulatorInfo
- Publication number
- JPS6077290U JPS6077290U JP17050483U JP17050483U JPS6077290U JP S6077290 U JPS6077290 U JP S6077290U JP 17050483 U JP17050483 U JP 17050483U JP 17050483 U JP17050483 U JP 17050483U JP S6077290 U JPS6077290 U JP S6077290U
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- circuit
- width control
- switching regulator
- output signal
- 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図は従来例の代表的な一石式半波整流方式のパルス
幅制御杉皮イツチングレギュレータのブロック図。第２
図は来者案−実施例パルス幅制御形スイッチングレギュ
レータのブロック図。第３図ａは従来例パルス幅制御形
スイッチングレギュレータのスイッチングトランジスタ
のコレクタ電流波形図。第３図すは従来例パルス幅制御
形スイッチングレギュレータの入力電圧が低下したとき
に磁性部品が飽和した場合のコレクタ電流波形図。第３
図Ｃは本考案のパルス幅制御形スイッチングレギュレー
タの周波数を２倍にして磁性部品の飽和を防いだ場合の
コレクタ電流波形図。
１・・・入力電源、２・・・トランス、３・・・スイッ
チングトランジスタ、４，５．７・・・ダイオード、６
・・・チョークコイル、８・・・平滑コンデンサ、９・
・・抵抗、１０・・・パルス幅制御回路、１１・・・入
力電圧監視回路。FIG. 1 is a block diagram of a typical conventional single-stone half-wave rectifier pulse width control cedar bark regulator. Second
The figure is a block diagram of a pulse width control type switching regulator according to the present invention. FIG. 3a is a collector current waveform diagram of a switching transistor of a conventional pulse width control type switching regulator. FIG. 3 is a collector current waveform diagram when the magnetic component is saturated when the input voltage of a conventional pulse width control type switching regulator decreases. Third
Figure C is a collector current waveform diagram when the frequency of the pulse width controlled switching regulator of the present invention is doubled to prevent saturation of the magnetic components. 1... Input power supply, 2... Transformer, 3... Switching transistor, 4, 5.7... Diode, 6
...Choke coil, 8...Smoothing capacitor, 9.
...Resistor, 10...Pulse width control circuit, 11...Input voltage monitoring circuit.
Claims (1)
たスイッチングトランジスタと、このスイッチングトラ
ンジスタを通過する電流が一次巻線に供給されたトラン
ジスタと、このトランスの二次巻線の電流を整流する整
流回路と、 この整流回路の出力電圧が一定にあるように上記スイッ
チングトランジスタのベースに周期的にパルス幅制御信
号を与えるパルス幅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、入力電源電圧が所定値以下になっ
たときに出力信号を送出する入力電圧監視回路を備え、
上記パルス幅制御回路は、上記入力電圧監視回路の出力
信号を取込みこの出力信号が送出されたときにパルス幅
制御回路の繰返し周波数を高くするように構成されたこ
とを特徴とするパルス幅制御型スイッチングレギュレー
タ。[Claims for Utility Model Registration] A switching transistor in which a collector-emitter circuit is connected in series to an input power supply circuit, a transistor whose primary winding is supplied with a current passing through this switching transistor, and a secondary winding of this transformer. A switching regulator that includes a rectifier circuit that rectifies the current of Equipped with an input voltage monitoring circuit that sends an output signal when the voltage falls below a predetermined value,
The pulse width control circuit is of a pulse width control type, characterized in that the pulse width control circuit is configured to receive the output signal of the input voltage monitoring circuit and increase the repetition frequency of the pulse width control circuit when this output signal is sent out. switching regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17050483U JPS6077290U (en) | 1983-11-01 | 1983-11-01 | Pulse width controlled switching regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17050483U JPS6077290U (en) | 1983-11-01 | 1983-11-01 | Pulse width controlled switching regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6077290U true JPS6077290U (en) | 1985-05-30 |
Family
ID=30372206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17050483U Pending JPS6077290U (en) | 1983-11-01 | 1983-11-01 | Pulse width controlled switching regulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6077290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2015045138A1 (en) * | 2013-09-30 | 2017-03-02 | 三菱電機株式会社 | Power converter and air conditioner using the same |
-
1983
- 1983-11-01 JP JP17050483U patent/JPS6077290U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2015045138A1 (en) * | 2013-09-30 | 2017-03-02 | 三菱電機株式会社 | Power converter and air conditioner using the same |
| US9692312B2 (en) | 2013-09-30 | 2017-06-27 | Mitsubishi Electric Corporation | Power conversion apparatus, and air-conditioning apparatus using the same |
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