JPH03111182U - - Google Patents

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Publication number
JPH03111182U
JPH03111182U JP1710490U JP1710490U JPH03111182U JP H03111182 U JPH03111182 U JP H03111182U JP 1710490 U JP1710490 U JP 1710490U JP 1710490 U JP1710490 U JP 1710490U JP H03111182 U JPH03111182 U JP H03111182U
Authority
JP
Japan
Prior art keywords
inductor
switching element
rectifier circuit
voltage
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
Application number
JP1710490U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1710490U priority Critical patent/JPH03111182U/ja
Publication of JPH03111182U publication Critical patent/JPH03111182U/ja
Pending legal-status Critical Current

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  • Rectifiers (AREA)
  • Dc-Dc Converters (AREA)

Description

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

第１図はこの考案の一実施例を示す接続図、第
２図はその動作を説明するための波形図、第３図
および第４図は従来例を示す回路図である。 １……電源トランス、２，１４……ダイオード
、３，９，１５……コンデンサ、４，１６……出
力端子、６，１２……トランジスタ、１０……比
較器、１３……インダクタ。 FIG. 1 is a connection diagram showing one embodiment of this invention, FIG. 2 is a waveform diagram for explaining its operation, and FIGS. 3 and 4 are circuit diagrams showing a conventional example. 1... Power transformer, 2, 14... Diode, 3, 9, 15... Capacitor, 4, 16... Output terminal, 6, 12... Transistor, 10... Comparator, 13... Inductor.

Claims (1)

【実用新案登録請求の範囲】 電源トランスの２次側巻線に得られる交流電圧
を整流する第１の整流回路と、 上記交流電圧から基準信号を形成する基準信号
発生回路と、 この基準信号と出力電圧に応じた信号との比較
によつて出力電圧が大きくなる程パルス幅が小さ
くなるパルス信号を得る比較回路と、 このパルス信号によつてスイツチング駆動され
るスイツチング素子と、 このスイツチング素子に直列に接続されて上記
整流回路から断続して電流が供給されるインダク
タと、 このインダクタと上記スイツチング素子との接
続点に接続された第２の整流回路とを有し、この
第２の整流回路から上記第１の整流回路より出力
される電圧より昇圧された出力電圧を得るように
したことを特徴とする電源回路。[Claims for Utility Model Registration] A first rectifier circuit that rectifies an alternating current voltage obtained in the secondary winding of a power transformer; a reference signal generation circuit that generates a reference signal from the alternating voltage; A comparison circuit that obtains a pulse signal whose pulse width becomes smaller as the output voltage increases by comparison with a signal corresponding to the output voltage, a switching element that is switched and driven by this pulse signal, and a switching element that is connected in series with this switching element. an inductor connected to the inductor and to which current is intermittently supplied from the rectifier circuit; and a second rectifier circuit connected to the connection point between the inductor and the switching element, and from which the inductor A power supply circuit characterized in that it obtains an output voltage that is boosted from the voltage output from the first rectifier circuit.
JP1710490U 1990-02-22 1990-02-22 Pending JPH03111182U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1710490U JPH03111182U (en) 1990-02-22 1990-02-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1710490U JPH03111182U (en) 1990-02-22 1990-02-22

Publications (1)

Publication Number Publication Date
JPH03111182U true JPH03111182U (en) 1991-11-14

Family

ID=31520336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1710490U Pending JPH03111182U (en) 1990-02-22 1990-02-22

Country Status (1)

Country Link
JP (1) JPH03111182U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010086946A1 (en) * 2009-02-02 2010-08-05 サンケン電気株式会社 Switching power supply device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0241659A (en) * 1988-07-30 1990-02-09 Fanuc Ltd Switching regulator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0241659A (en) * 1988-07-30 1990-02-09 Fanuc Ltd Switching regulator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010086946A1 (en) * 2009-02-02 2010-08-05 サンケン電気株式会社 Switching power supply device
JP5402945B2 (en) * 2009-02-02 2014-01-29 サンケン電気株式会社 Switching power supply
US8644036B2 (en) 2009-02-02 2014-02-04 Sanken Electric Co., Ltd. Multi-output switching power supply device having a step-up/down converter between a stabilized output and a non-stabilized output

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