摘要
电流模式降压型PWM脉宽调制开关稳压器LT1676IS8是ARIES采集站电源电路中的重要器件,本文具体分析了LT1676IS8的电路结构、技术特性、各管脚的功能以及输出开关的原理,并结合采集站模拟板的特点和所用器件对电源的需求,以产生12V电压电路为例解读了LT1676IS8器件在ARIES采集站中的应用。
The PWM step-down switching regulator LT1676IS8 is an important device in the power circuit of ARIES system.This paper made a detailed analysis of the circuit structure,technical characteristics,functions of each pin and principle of output switching circuit about LT1676IS8.Combing with the characteristics of acquisition station and the power requirements for the analog board and taking 12V circuit as an example,applications of LT1676IS8 device for ARIES acquisition station are introduced in this paper.
出处
《物探装备》
2011年第2期77-81,共5页
Equipment for Geophysical Prospecting
基金
东方地球物理公司研究项目<地面采集设备即存技术问题研究>中对<维修用元器件国产化替代研究>的子课题中的一部分成果。项目编号:20090209
