JPS6066287U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS6066287U JPS6066287U JP12478584U JP12478584U JPS6066287U JP S6066287 U JPS6066287 U JP S6066287U JP 12478584 U JP12478584 U JP 12478584U JP 12478584 U JP12478584 U JP 12478584U JP S6066287 U JPS6066287 U JP S6066287U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- transformer
- input
- input voltage
- supplied
- 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
- 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図は従来例として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を示す回路図、第３
図は第２図に示す回路の動作を説明する波形図である。
なお図面に用いられた符号において、９はインバータ回
路、１１は制御回路、２７はトランス、Ｍは中間端子で
ある。Fig. 1 is a circuit diagram showing a switching regulator as a conventional example, Fig. 2 is a circuit diagram showing an embodiment of the present invention, and Fig. 3 is a circuit diagram showing a switching regulator as a conventional example.
This figure is a waveform diagram illustrating the operation of the circuit shown in FIG. 2. In addition, in the symbols used in the drawings, 9 is an inverter circuit, 11 is a control circuit, 27 is a transformer, and M is an intermediate terminal.
Claims (1)
二種類の直流入力電圧が供給されるように構成されかつ
上記昇圧トランスの中間端子に接続されている直流電圧
入力端子と、上記昇圧トランスの一端に接続されている
出力スイッチング素子と、上記昇圧トランスの他端に接
続されている整流回路と、上記出力スイッチング素子に
スイッチングパルスを供給する駆動回路と、上記直流電
圧入力端子と上記駆動回路との間に接続されかつ上記直
流電圧入力端子に供給される直流入力電圧の上記高低を
判別して直流入力電圧が低い時には上記駆動回路から上
記スイッチング素子にスイッチングパルスが供給される
と共に直流入力電圧が高い時には上記駆動回路から上記
スイッチング素子にスイッチングパルスが供給されない
ようにする制御回路とから成り、上記直流入力電圧が低
い時には上記直流入力電圧を上記昇圧トランスによって
昇圧すると共に上記直流入力電圧が高い時には上記直流
入力電圧を昇圧しないように構成し、これによって、上
記直流入力電圧の高低にか１わらずはＳ゛一定の出力電
圧を得るように構成した電源回路。a step-up transformer having an intermediate terminal; a DC voltage input terminal configured to be supplied with two types of DC input voltages having different levels and connected to the intermediate terminal of the step-up transformer; and a DC voltage input terminal connected to one end of the step-up transformer. between a connected output switching element, a rectifier circuit connected to the other end of the step-up transformer, a drive circuit that supplies switching pulses to the output switching element, and the DC voltage input terminal and the drive circuit. is connected to and supplied to the DC voltage input terminal, and when the DC input voltage is low, a switching pulse is supplied from the drive circuit to the switching element, and when the DC input voltage is high, a switching pulse is supplied to the switching element. and a control circuit that prevents the switching pulse from being supplied from the drive circuit to the switching element, and when the DC input voltage is low, the DC input voltage is boosted by the step-up transformer, and when the DC input voltage is high, the DC input voltage is boosted by the step-up transformer. A power supply circuit configured not to boost the input voltage, thereby obtaining a constant output voltage S regardless of the level of the DC input voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12478584U JPS6066287U (en) | 1984-08-16 | 1984-08-16 | power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12478584U JPS6066287U (en) | 1984-08-16 | 1984-08-16 | power circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6066287U true JPS6066287U (en) | 1985-05-10 |
| JPS6110473Y2 JPS6110473Y2 (en) | 1986-04-03 |
Family
ID=30284333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12478584U Granted JPS6066287U (en) | 1984-08-16 | 1984-08-16 | power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6066287U (en) |
-
1984
- 1984-08-16 JP JP12478584U patent/JPS6066287U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6110473Y2 (en) | 1986-04-03 |
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