JPS5832514U - constant voltage device - Google Patents

constant voltage device

Info

Publication number
JPS5832514U
JPS5832514U JP12538681U JP12538681U JPS5832514U JP S5832514 U JPS5832514 U JP S5832514U JP 12538681 U JP12538681 U JP 12538681U JP 12538681 U JP12538681 U JP 12538681U JP S5832514 U JPS5832514 U JP S5832514U
Authority
JP
Japan
Prior art keywords
constant voltage
voltage device
flyback
output voltage
flyback transformer
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
Application number
JP12538681U
Other languages
Japanese (ja)
Inventor
康人 竹内
Original Assignee
横河電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 横河電機株式会社 filed Critical 横河電機株式会社
Priority to JP12538681U priority Critical patent/JPS5832514U/en
Publication of JPS5832514U publication Critical patent/JPS5832514U/en
Pending legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す回路図、第２図は第１
図の動作を説明するための波形図である。 １・・・電圧制御発振器ＶＣＯ１２・・・整流平滑回路
、３・・・誤差検出回路、４・・・電源端子、５・・・
基準電圧入力端子、Ｑ・・・トランジスタ、Ｃ，、Ｃ２
・・・コンデンサ、Ｄ・・・ダイオード、Ｔ・・・トラ
ンス、Ｒ１−Ｒ３・・・抵抗。Fig. 1 is a circuit diagram showing one embodiment of the present invention, and Fig. 2 is a circuit diagram showing an embodiment of the present invention.
FIG. 3 is a waveform diagram for explaining the operation shown in the figure. 1... Voltage controlled oscillator VCO12... Rectifier smoothing circuit, 3... Error detection circuit, 4... Power supply terminal, 5...
Reference voltage input terminal, Q...transistor, C,, C2
... Capacitor, D... Diode, T... Transformer, R1-R3... Resistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] フライバック型のＤＣ−ＤＣコンバータを含む定電圧装
置において、フライバックトランスのフライバック区間
における自由振動の共振周期をほぼ一定とし、フライバ
ックトランスの１次巻線に直列接続された主回路スイッ
チ手段の０Ｎ−ＯＦＦデユーティレシオを所定の値に保
ちつつその０Ｎ−ＯＦＦ＜り返し周波数のみを出力電圧
に応じて変化させて出力電圧の安定化を図るように帰還
ループを構成したことを特徴とする定電圧装置。In a constant voltage device including a flyback type DC-DC converter, main circuit switch means is configured to maintain a substantially constant resonance period of free vibration in a flyback section of a flyback transformer, and is connected in series to a primary winding of the flyback transformer. The feedback loop is configured to stabilize the output voltage by keeping the 0N-OFF duty ratio at a predetermined value and changing only the 0N-OFF repetition frequency according to the output voltage. Constant voltage device.
JP12538681U 1981-08-25 1981-08-25 constant voltage device Pending JPS5832514U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12538681U JPS5832514U (en) 1981-08-25 1981-08-25 constant voltage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12538681U JPS5832514U (en) 1981-08-25 1981-08-25 constant voltage device

Publications (1)

Publication Number Publication Date
JPS5832514U true JPS5832514U (en) 1983-03-03

Family

ID=29919228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12538681U Pending JPS5832514U (en) 1981-08-25 1981-08-25 constant voltage device

Country Status (1)

Country Link
JP (1) JPS5832514U (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51132926A (en) * 1975-05-15 1976-11-18 Matsushita Electric Ind Co Ltd Television receiver
JPS5253683A (en) * 1975-10-28 1977-04-30 Matsushita Electric Ind Co Ltd X-ray radiation preventing circuit
JPS5453829A (en) * 1977-10-06 1979-04-27 Mitsubishi Electric Corp High tension protective circuit of television receiver
JPS5615168A (en) * 1979-07-16 1981-02-13 Tdk Corp Flyback type switching power source
JPS5635679B2 (en) * 1974-02-07 1981-08-19
JPS607909A (en) * 1983-06-25 1985-01-16 Toho Chem Ind Co Ltd Defoaming agent for foaming liquid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635679B2 (en) * 1974-02-07 1981-08-19
JPS51132926A (en) * 1975-05-15 1976-11-18 Matsushita Electric Ind Co Ltd Television receiver
JPS5253683A (en) * 1975-10-28 1977-04-30 Matsushita Electric Ind Co Ltd X-ray radiation preventing circuit
JPS5453829A (en) * 1977-10-06 1979-04-27 Mitsubishi Electric Corp High tension protective circuit of television receiver
JPS5615168A (en) * 1979-07-16 1981-02-13 Tdk Corp Flyback type switching power source
JPS607909A (en) * 1983-06-25 1985-01-16 Toho Chem Ind Co Ltd Defoaming agent for foaming liquid

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