一款5W高压变压器设计  

Design of a 5 W High Voltage Transformer

作　　者：曹宏伟 李鑫 骆训卫 CAO Hongwei;LI Xin;LUO Xunwei(Tongfang Electronic Science and Technology Co.,Ltd.,Jiujiang 332002,China;Military Representative Office of Equipment Develop Department in Wuhan,Jiujiang 332002,China)

机构地区：[1]同方电子科技有限公司,江西九江332002 [2]装发军代局武汉代表室,江西九江332002

出　　处：《通信电源技术》2021年第22期64-67,共4页Telecom Power Technology

摘　　要：设计了一款小功率高压变压器应用于低压输入高压输出电路。该电路用于预/后选器等需要用到高压电源来导通/关断高压开关的电路,采用单端反激式工作模式,以电源升压控制芯片和高压变压器相结合的方法实现低电压输入高电压输出。该款小功率高压变压器不仅有变压器的功能也有电感的功能,对整体高压电路减少体积,降低成本起到了关键的作用。A low-power high-voltage transformer is applied to the low-voltage input and high-voltage output circuit.The circuit is used for the pre/post selector and other circuits that need high-voltage power supply to turn on/off the high-voltage switch.The single ended flyback working mode is adopted,and the combination of power boost control chip and high-voltage transformer is adopted to realize low-voltage input and high-voltage output.This lowpower high-voltage transformer not only has the function of transformer,but also has the function of inductance,which plays a key role in reducing the volume and cost of the overall high-voltage circuit.

关 键 词：小功率 高压 变压器 单端反激式 管理芯片 

分 类 号：TM4[电气工程—电器]