JPS6244683U - - Google Patents

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Publication number
JPS6244683U
JPS6244683U JP13468485U JP13468485U JPS6244683U JP S6244683 U JPS6244683 U JP S6244683U JP 13468485 U JP13468485 U JP 13468485U JP 13468485 U JP13468485 U JP 13468485U JP S6244683 U JPS6244683 U JP S6244683U
Authority
JP
Japan
Prior art keywords
voltage
output
error amplifier
comparator
input
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
Application number
JP13468485U
Other languages
English (en)
Other versions
JPH0412786Y2 (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 JP13468485U priority Critical patent/JPH0412786Y2/ja
Publication of JPS6244683U publication Critical patent/JPS6244683U/ja
Application granted granted Critical
Publication of JPH0412786Y2 publication Critical patent/JPH0412786Y2/ja
Expired legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は本考案の実施例に係る昇圧チヨツパ回
路の回路図、第2図は第1図に示した回路の動作
説明図、第3図は従来の昇圧チヨツパ回路の回路
図、第4図は第3図に示した回路のトランジスタ
TRのコレクタ電圧波形図である。 TR……トランジスタ、L……コイル、D……
ダイオード、C……コンデンサ、VR……誤差検
出抵抗、Amp……誤差増幅器、Comp……比
較器、Vref……基準電圧、OSC……発振器
、Vop……専用電源。

Claims (1)

  1. 【実用新案登録請求の範囲】 安定化出力電圧と基準電圧との誤差出力を与え
    る誤差増幅器と、前記誤差増幅器の出力を一方入
    力に、比較基準波を他方入力に与えられる比較器
    とをスイツチング素子の制御系として含み、前記
    比較器の出力に基づいて前記スイツチング素子を
    開閉制御する昇圧チヨツパ回路において、 前記誤差増幅器に専用電源を設けるとともに、
    この専用電源の電圧値を、前記誤差増幅器の飽和
    出力電圧に基づく前記比較器への入力電圧が、前
    記比較基準波のピーク電圧よりも低くなるように
    設定したことを特徴とする昇圧チヨツパ回路。
JP13468485U 1985-09-02 1985-09-02 Expired JPH0412786Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13468485U JPH0412786Y2 (ja) 1985-09-02 1985-09-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13468485U JPH0412786Y2 (ja) 1985-09-02 1985-09-02

Publications (2)

Publication Number Publication Date
JPS6244683U true JPS6244683U (ja) 1987-03-18
JPH0412786Y2 JPH0412786Y2 (ja) 1992-03-26

Family

ID=31036152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13468485U Expired JPH0412786Y2 (ja) 1985-09-02 1985-09-02

Country Status (1)

Country Link
JP (1) JPH0412786Y2 (ja)

Also Published As

Publication number Publication date
JPH0412786Y2 (ja) 1992-03-26

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