稳压电源PWM调制芯片UC3846的应用

张忠
阎昆
秦志军
何惠英
摘 要:针对当今科学仪器一再要求提高精度和响应速度,本文介绍稳压电源调制芯片UC3846的功能、特点及工作原理,并设计反激式开关稳压电源电路,同时分析其电路的工作原理。为科学仪器重要部件—稳压电源,提供一种PWM调制芯片的较大的选择空间。
关键词:稳压电源,芯片,UC3846,开关稳压电路,响应速度

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Application of UC3846 which is chip of PWM

Abstract:To abvance the accuracy and response speed of scientific instruments nowdays,the function,characteristics,and operation principle of UC3846 are introduced in this paper.Designs a flyback switch voltage-stabilized source circuit using the UC3846,analyses the working principles of this ciruit.It is one of PWM chips for components of scientific instruments.
Key words:UC3846,Flyback switch voltage-stabilized circuit,Accuracy,Response speed
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