VOLTAGE REGULATOR

PROBLEM TO BE SOLVED: To provide a voltage regulator which is not affected by variation of output impedance of a reference voltage circuit and in which temperature fluctuation of output voltage is small.SOLUTION: Two reference voltages having temperature coefficients of positive and negative are res...

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Bibliographic Details
Main Authors OGURA YASUHIKO, SAKAGUCHI KAORU
Format Patent
LanguageEnglish
Japanese
Published 02.02.2017
Subjects
CONTROLLING
PHYSICS
REGULATING
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Summary:PROBLEM TO BE SOLVED: To provide a voltage regulator which is not affected by variation of output impedance of a reference voltage circuit and in which temperature fluctuation of output voltage is small.SOLUTION: Two reference voltages having temperature coefficients of positive and negative are respectively added via a transconductance amplifier with large impedance and amplified.SELECTED DRAWING: Figure 1 【課題】基準電圧回路の出力インピーダンスのバラツキの影響を受けない、出力電圧の温度変動が小さなボルテージレギュレータを提供すること。【解決手段】温度係数が正と負の２つの基準電圧をそれぞれ入力インピーダンスの大きなトランスコンダクタンスアンプを介して加算して増幅する構成とした。【選択図】図１
Bibliography:Application Number: JP20150146796