摘要
本文以Linear公司DC/DC电源芯片LTC3704为例,介绍如何实现5V→-3.3V的转换,最大输出电流为1A。文章详细分析了LTC3704芯片的应用电路、电路工作原理、器件选型、参数计算以及PCB设计中关键器件处理方法等内容。实验结果表明:该DC/DC电路设计合理,工作稳定,达到性能要求。
This paper takes linear company’s DC/DC power chip ltc3704 as an example to introduce how to realize the conversion of 5V→-3.3V,and the maximum output current is 1a.In this paper,the application circuit,working principle,device selection,parameter calculation and key device processing method in PCB design of ltc3704 are analyzed in detail.The experimental results show that the design of the DC/DC circuit is reasonable,stable and meets the performance requirements.
作者
葛建新
Ge Jianxin(Heyuan vocational and Technical College,Heyuan Guangdong,517000)
出处
《电子测试》
2020年第13期24-26,共3页
Electronic Test
基金
2018年度广东省科技创新战略专项资金项目(河科[2019]11号)。
