JPS593787U - Self-oscillating switching regulator - Google Patents
Self-oscillating switching regulatorInfo
- Publication number
- JPS593787U JPS593787U JP9577882U JP9577882U JPS593787U JP S593787 U JPS593787 U JP S593787U JP 9577882 U JP9577882 U JP 9577882U JP 9577882 U JP9577882 U JP 9577882U JP S593787 U JPS593787 U JP S593787U
- Authority
- JP
- Japan
- Prior art keywords
- winding
- circuit
- pulse width
- self
- time constant
- 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図は従来の自励発振式スイッチングレギュレータを
示す回路図、第２図は本考案にかかる自励発振式スイッ
チングレギュレータを示す回路図、第３図は同上回路の
起動時の動作を示す動作波形図、第４図は同上回路の定
常動作及び本考案で改善する動作を説明するための動作
波形図である。
１・・・商用交流電源入力端子、２・・・整流器、３［
・・コンバータトランス（Ｎｐ・・・入力巻線、ＮＤ・
・・ドライブ巻線、Ｎｃ・・・検出巻線、Ｎｓ・・・出
力巻線）、４・・・出力トランジスタ、５・・・起動抵
抗、６．１０゜２１・・・ダイオード、７．２０・・・
コンデンサ、８゜９・・・パルス幅制御用トランジスタ
、１８，１９゜２２・・・抵抗。Fig. 1 is a circuit diagram showing a conventional self-oscillation type switching regulator, Fig. 2 is a circuit diagram showing a self-oscillation type switching regulator according to the present invention, and Fig. 3 is an operation showing the operation of the above circuit at startup. FIG. 4 is an operational waveform diagram for explaining the steady operation of the above circuit and the operation improved by the present invention. 1... Commercial AC power supply input terminal, 2... Rectifier, 3 [
・Converter transformer (Np...input winding, ND・
...Drive winding, Nc...Detection winding, Ns...Output winding), 4...Output transistor, 5...Starting resistance, 6.10°21...Diode, 7.20 ...
Capacitor, 8゜9...Pulse width control transistor, 18,19゜22...Resistor.
Claims (1)
コンバータトランスと、前記入力巻線を負荷としかつド
ライブ巻線をベース電流の供給源としてスイッチング動
作する出力トランジスタと、この出力トランジスタのス
イッチング動作におけるオン時間又はオフ時間を制御す
るパルス幅制御回路と、前記出力巻線の誘起電圧に誘導
されることによって前記検出巻線に生ずる検出電圧を充
放電しその時定数に基づき前記パルス幅制御回路の制御
幅を設定する時定数回路と、前記検出電圧を整形後この
時定数回路に導出する波形整形手段とを具備した自励発
振式スイッチングレギュレータ。A converter transformer including an input winding, an output winding, a drive winding, and a detection winding; an output transistor that performs switching operation with the input winding as a load and the drive winding as a base current supply source; a pulse width control circuit that controls on time or off time in a switching operation; and a pulse width control circuit that charges and discharges a detection voltage generated in the detection winding by being induced by the induced voltage of the output winding, and controls the pulse width based on the time constant thereof. A self-oscillation type switching regulator comprising a time constant circuit that sets a control width of the circuit, and a waveform shaping means that shapes the detected voltage and then outputs it to the time constant circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9577882U JPS593787U (en) | 1982-06-28 | 1982-06-28 | Self-oscillating switching regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9577882U JPS593787U (en) | 1982-06-28 | 1982-06-28 | Self-oscillating switching regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS593787U true JPS593787U (en) | 1984-01-11 |
Family
ID=30228562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9577882U Pending JPS593787U (en) | 1982-06-28 | 1982-06-28 | Self-oscillating switching regulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS593787U (en) |
-
1982
- 1982-06-28 JP JP9577882U patent/JPS593787U/en active Pending
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