摘要
采用TI最新同步降压控制芯片LM5117与超低内阻MOS管CSD18532KCS为核心,设计一款具有宽输入电压15~55V,输出电压12V,输出电流12A的降压型大功率恒流源。样机经测试满载效率为91.1%、负载调整率S_i≤1%、电压调整率S_v≤0.2%,可应用在电镀、热处理炉、照明等行业。
Taking the latest synchronous step-down control chip TI LM5117 and ultra-low resistance MOS tube CSD18532 KCS as the core, a wide input voltage 15~55V, output voltage 12 V, output current 12 A step-down type high-power constant current source is designed in this paper. The prototype is tested with full load efficiency 91.1%, load regulation factor S_i≤1% and voltage regulation factor S_v≤0.2%, which can be used in electroplating industry, heat treatment furnace, lighting and other industries.
出处
《三明学院学报》
2017年第4期52-55,共4页
Journal of Sanming University
基金
福建省"卓越工程师"教育培养计划改革试点项目(SD1108)
关键词
同步降压
LM5117
恒流源
synchronous buck
LM5117
constant current source
