JPS5836418U - switching regulator - Google Patents
switching regulatorInfo
- Publication number
- JPS5836418U JPS5836418U JP13008581U JP13008581U JPS5836418U JP S5836418 U JPS5836418 U JP S5836418U JP 13008581 U JP13008581 U JP 13008581U JP 13008581 U JP13008581 U JP 13008581U JP S5836418 U JPS5836418 U JP S5836418U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- switching
- output voltage
- switching regulator
- dividing
- 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図は本考案になるスイッチングレギュレ−タの１実
施例の回路図、第２図は第１図示の集積回路の回路系統
図、第３図は第１図示のスイッチングレギュレータ、ア
ダプタ、バッテリーパックの接続を説明するための図、
第４図Ａ、 Ｂ、 Ｃは第１図示の電圧切換部の変形例
の回路図である。
ｌａ、ｌｂ、１４．１６・・・・・・入力端子、２・・
・・・・、入力整流部、３・・・・・・ＤＣ／ＤＣコン
バータ部、４ａ。
４ｂ・・・・・・出力端子、５・・・・・・電圧切換部
、６・・・・・・出力安定化制御部、７・・・・・・集
積回路、９・・・・・・基準電圧発生器、１０・・・・
・・誤差増幅器、１１・・・・・・パルス幅変調器、１
２・・・・・・発振器、１３・・・・・・ドライブ回路
、Ｔ１□〜Ｔ５・・・・・・トランジスタ、Ｒ□〜Ｒ１
゜・・・・・・抵抗、Ｃ□−・曲コンデンサ、Ｓｒ曲ス
イッチ。Fig. 1 is a circuit diagram of one embodiment of the switching regulator according to the present invention, Fig. 2 is a circuit diagram of the integrated circuit shown in Fig. 1, and Fig. 3 is the switching regulator, adapter, and battery pack shown in Fig. 1. A diagram to explain the connection of
4A, B, and C are circuit diagrams of modified examples of the voltage switching section shown in the first figure. la, lb, 14.16... Input terminal, 2...
. . . Input rectifier section, 3 . . . DC/DC converter section, 4a. 4b... Output terminal, 5... Voltage switching unit, 6... Output stabilization control unit, 7... Integrated circuit, 9...・Reference voltage generator, 10...
...Error amplifier, 11...Pulse width modulator, 1
2...Oscillator, 13...Drive circuit, T1□~T5...Transistor, R□~R1
゜・・・Resistance, C□-・bent capacitor, Sr bend switch.
Claims (1)
て取り出し、該比較電圧と基準電圧とを比較して得た誤
差電圧により決められるパルス幅のスイッチングパルス
を得て直流とされた入力電圧をスイッチングして上記出
力電圧を発生するスイッチングレギュレータにおいて、
該出力電圧と該出力電圧を分圧した電圧を切換え又は該
出力電圧を分圧する分圧比を切換えて該比較電圧を取り
出すスイッチを設けたスイッチングレギュレータ。The output voltage or a voltage obtained by dividing the output voltage is extracted as a comparison voltage, and the input voltage is converted into DC by obtaining a switching pulse with a pulse width determined by the error voltage obtained by comparing the comparison voltage and the reference voltage. In a switching regulator that switches and generates the above output voltage,
A switching regulator provided with a switch for switching between the output voltage and a voltage obtained by dividing the output voltage, or for switching a voltage division ratio for dividing the output voltage to take out the comparison voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13008581U JPS5836418U (en) | 1981-09-01 | 1981-09-01 | switching regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13008581U JPS5836418U (en) | 1981-09-01 | 1981-09-01 | switching regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5836418U true JPS5836418U (en) | 1983-03-09 |
| JPH0516875Y2 JPH0516875Y2 (en) | 1993-05-06 |
Family
ID=29923734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13008581U Granted JPS5836418U (en) | 1981-09-01 | 1981-09-01 | switching regulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5836418U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5381931A (en) * | 1976-12-27 | 1978-07-19 | Fujitsu Ltd | Integrated circuit for variable output type stabilization power source |
| JPS55121511A (en) * | 1979-03-14 | 1980-09-18 | Mitsubishi Electric Corp | Variation system for output voltage of power unit |
-
1981
- 1981-09-01 JP JP13008581U patent/JPS5836418U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5381931A (en) * | 1976-12-27 | 1978-07-19 | Fujitsu Ltd | Integrated circuit for variable output type stabilization power source |
| JPS55121511A (en) * | 1979-03-14 | 1980-09-18 | Mitsubishi Electric Corp | Variation system for output voltage of power unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0516875Y2 (en) | 1993-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5836418U (en) | switching regulator | |
| JPS58122120U (en) | Inrush current prevention circuit | |
| JPS60160081U (en) | switching regulator | |
| JPS5981291U (en) | Self-excited switching power supply | |
| JPS58687U (en) | Inverter device with power factor correction circuit | |
| JPS60166286U (en) | DC-DC converter | |
| JPS5883989U (en) | voltage regulator | |
| JPS6130118U (en) | power supply | |
| JPS60192693U (en) | DC constant voltage power supply | |
| JPS6037872U (en) | Voltage-pulse width converter | |
| JPS6089788U (en) | DC-DC converter | |
| JPS5873621U (en) | signal level control circuit | |
| JPS6099888U (en) | switching regulator | |
| JPS6014681U (en) | Chiyotupa type switching regulator | |
| JPS5819320U (en) | Switching regulator | |
| JPS5887489U (en) | power supply | |
| JPS59149484U (en) | Overcurrent protection circuit | |
| JPS59135094U (en) | DC-AC converter | |
| JPS6038082U (en) | switching power supply | |
| JPS5880792U (en) | Self-excited DC-DC converter | |
| JPS6113584U (en) | power supply | |
| JPS6046075U (en) | frequency detection circuit | |
| JPS58101532U (en) | thyristor oscillation circuit | |
| JPS58113112U (en) | constant voltage transformer rectifier | |
| JPS58127887U (en) | Inverter power supply |