JPS58145091U - switching power supply circuit - Google Patents
switching power supply circuitInfo
- Publication number
- JPS58145091U JPS58145091U JP4139982U JP4139982U JPS58145091U JP S58145091 U JPS58145091 U JP S58145091U JP 4139982 U JP4139982 U JP 4139982U JP 4139982 U JP4139982 U JP 4139982U JP S58145091 U JPS58145091 U JP S58145091U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- transistor
- supply circuit
- switching power
- circuit
- 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図はコンデンサ結合によりスイッチングトランジス
タをドライブするようにした従来におけるスイッチング
電源回路を示す回路図、第２図は第１図の回路の動作波
形図、第３図はこの考案の一実施例を示す回路図、第４
図は第３図の回路の動作波形図である。
Ｔｒ２． Ｔｒ４・・・・・・コンプリメンタリプッシ
ュプル接続されたトランジスタ、Ｔｒ３・・・・・・ス
イッチングトランジスタ、ｃｌ、ｃ２・・・・・・スピ
ードアップコンデンサ、Ｃ３・・・・・・駆動パルスを
スイッチングトランジスタＴｒ３のベースにコンデンサ
結合によって印加するコンデンサ、Ｄｌｏ・・・・・・
放電時定数を小さくするためのダイオード。Fig. 1 is a circuit diagram showing a conventional switching power supply circuit that drives a switching transistor by capacitor coupling, Fig. 2 is an operating waveform diagram of the circuit shown in Fig. 1, and Fig. 3 is an example of an embodiment of this invention. Circuit diagram shown, 4th
The figure is an operational waveform diagram of the circuit of FIG. 3. Tr2. Tr4: Complementary push-pull connected transistor, Tr3: Switching transistor, cl, c2: Speed-up capacitor, C3: Drive pulse switching transistor A capacitor, Dlo, is applied to the base of Tr3 by capacitor coupling.
A diode to reduce the discharge time constant.
Claims (1)
ル構成のトランジスタを駆動し、該コンプリメンタリプ
ッシュプル回路の共通エミッタ出力をコンデンサを介し
てスイッチングトランジスタのベースに加えるとともに
、当該スイッチングトランジスタがオフのときに前記コ
ンデンサの電荷を前記コンプリメンタリプッシュプル回
路のオンしている側のトランジスタを介して放電される
方向に順方向となる放電回路を当該スイッチングトラン
ジスタの基準電位とベース間に接続したことを特徴とす
るスイッチング電源回路。A switching control pulse drives a transistor in a complementary push-pull configuration, applies the common emitter output of the complementary push-pull circuit to the base of the switching transistor via a capacitor, and transfers the charge of the capacitor to the base of the switching transistor when the switching transistor is off. 1. A switching power supply circuit characterized in that a discharge circuit is connected between a reference potential and a base of the switching transistor, the discharge circuit being in the forward direction of discharging through the transistor on the ON side of the complementary push-pull circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4139982U JPS58145091U (en) | 1982-03-23 | 1982-03-23 | switching power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4139982U JPS58145091U (en) | 1982-03-23 | 1982-03-23 | switching power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58145091U true JPS58145091U (en) | 1983-09-29 |
Family
ID=30052582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4139982U Pending JPS58145091U (en) | 1982-03-23 | 1982-03-23 | switching power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58145091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020084808A1 (en) * | 2018-10-26 | 2020-04-30 | オムロン株式会社 | Driving circuit for switching element and switching circuit |
-
1982
- 1982-03-23 JP JP4139982U patent/JPS58145091U/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020084808A1 (en) * | 2018-10-26 | 2020-04-30 | オムロン株式会社 | Driving circuit for switching element and switching circuit |
| JP2020068631A (en) * | 2018-10-26 | 2020-04-30 | オムロン株式会社 | Driving circuit of switching element and switching circuit |
| US11165421B1 (en) | 2018-10-26 | 2021-11-02 | Omron Corporation | Driving circuit for switching element and switching circuit |
| EP3832865A4 (en) * | 2018-10-26 | 2022-05-04 | OMRON Corporation | Driving circuit for switching element and switching circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58145091U (en) | switching power supply circuit | |
| JPS5866883U (en) | switching power supply circuit | |
| JPH0311388U (en) | ||
| JPS6069592U (en) | Inductive load current supply circuit | |
| JPS61332U (en) | load drive circuit | |
| JPS61331U (en) | load drive circuit | |
| JPS599791U (en) | Motor start/stop circuit | |
| JPS5866882U (en) | Switching regulator drive device | |
| JPS60128488U (en) | Series controlled chopper circuit | |
| JPS59134942U (en) | Switching element drive circuit | |
| JPS6123733U (en) | transistor switching circuit | |
| JPS58112097U (en) | Motor drive circuit | |
| JPS5897618U (en) | Inductive load chopper drive circuit | |
| JPS5866890U (en) | DC-AC inverter | |
| JPS5923295U (en) | Motor control device | |
| JPS6044045U (en) | data recording device | |
| JPS6059334U (en) | drive circuit | |
| JPS5846172U (en) | Saturation voltage detection circuit | |
| JPS588832U (en) | Latch relay drive circuit | |
| JPH0451033U (en) | ||
| JPS5933335U (en) | pulse radar transmitter | |
| JPS5960890U (en) | Auxiliary power supply circuit for ON/ON type single-stone switching regulator | |
| JPS5899972U (en) | RF signal changeover switch circuit | |
| JPS58150386U (en) | Gate drive circuit for gate turn-off thyristor | |
| JPS6113310U (en) | Recording bias switching circuit |