JPS5894013U - switching regulator - Google Patents
switching regulatorInfo
- Publication number
- JPS5894013U JPS5894013U JP18808581U JP18808581U JPS5894013U JP S5894013 U JPS5894013 U JP S5894013U JP 18808581 U JP18808581 U JP 18808581U JP 18808581 U JP18808581 U JP 18808581U JP S5894013 U JPS5894013 U JP S5894013U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- switching
- current supply
- period
- 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
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図は本考案の実施例に係わるスイッチングレギュ
レータを示す回路図、第３図は第２図の制御回路を示す
ブロック図、第４図は第２図及び第３図の各部の状態を
示す波形図、第５図は第１及び第２の制御パルスの変形
例を示す波形図である。
なお、図面に用いられている符号に於いて、１は直流電
源、４はスイッチング・トランジスタ、８は平滑回路、
９は負荷、１０は制御回路、１１゜１６はトランジスタ
である。Fig. 1 is a circuit diagram showing a conventional switching regulator, Fig. 2 is a circuit diagram showing a switching regulator according to an embodiment of the present invention, Fig. 3 is a block diagram showing the control circuit of Fig. 2, and Fig. 4 is a circuit diagram showing a switching regulator according to an embodiment of the present invention. FIG. 5 is a waveform chart showing the states of each part in FIGS. 2 and 3, and FIG. 5 is a waveform chart showing a modification of the first and second control pulses. In addition, in the symbols used in the drawings, 1 is a DC power supply, 4 is a switching transistor, 8 is a smoothing circuit,
9 is a load, 10 is a control circuit, and 11° and 16 are transistors.
Claims (2)
イッチング・トランジスタと、 前記スイッチング・トランジスタのベースに結合された
ベース電流を継続的に供給するためのベース電流供給回
路と、 前記スイッチング・トランジスタのエミッタとベースと
の間に接続され且つ前記ベース電流供給回路によって前
記スイッチング・トランジスタのベース電流が供給され
ている期間にほぼ対応する期間はオフに制御されるが、
少なくとも前記スイッチング・トランジスタをオンから
オフに転換する期間はオンに制御されるスイッチング素
子と、を具備していることを特徴とするスイッチングレ
ギュレータ。(1) a switching transistor connected in series between a DC power source and an output circuit; a base current supply circuit coupled to the base of the switching transistor for continuously supplying a base current; and the switching transistor. - connected between the emitter and base of the transistor, and controlled to be off during a period approximately corresponding to a period during which the base current supply circuit supplies the base current of the switching transistor;
A switching regulator comprising: a switching element that is controlled to be on at least during a period when the switching transistor is switched from on to off.
ンジスタのベースに結合されたベースＮ流供給用トラン
ジスタであり、前記スイッチング素子は、前記ベース電
流供給用トランジスタのオフ期間に対応したオン期間と
前記ベース電流供給用トランジスタのオン期間に対応し
たオフ期間とを有してオン・オフ動作するトランジスタ
である実用新案登録請求の範囲第１項記載のスイッチン
グレギュレータ。(2) The base current supply circuit is a base N current supply transistor coupled to the base of the switching transistor, and the switching element has an on period corresponding to an off period of the base current supply transistor and a base current supply transistor connected to the base of the switching transistor. The switching regulator according to claim 1, which is a transistor that operates on and off with an off period corresponding to an on period of a base current supply transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18808581U JPS5894013U (en) | 1981-12-18 | 1981-12-18 | switching regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18808581U JPS5894013U (en) | 1981-12-18 | 1981-12-18 | switching regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5894013U true JPS5894013U (en) | 1983-06-25 |
Family
ID=30102886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18808581U Pending JPS5894013U (en) | 1981-12-18 | 1981-12-18 | switching regulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5894013U (en) |
-
1981
- 1981-12-18 JP JP18808581U patent/JPS5894013U/en active Pending
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