图片仅供参考,请以实物为准 LM5027MHX/NOPB 生产厂商: National Semiconductor 产品描述: Voltage Mode PWM Controller 3mA 20-Pin TSSOP EP T/R 标准包装 Tape & Reel 满1000元免运费及包装费 参数 参数 数值 规格书 数据手册下载 Package 20TSSOP EP Topology Boost|Buck|Forward Number of PWM Outputs 3 Output Current 3 mA Maximum Duty Cycle 90(Min) % Switching Frequency 200(Typ)|490(Typ) KHz Synchronous Pin Yes Operating Temperature -40 to 125 °C Mounting Surface Mount 同系列产品