设计亮点 - 无需输入大容量电容器 - 提高线路电压波动剧烈区域的可靠性 - 与堆叠两个电解电容器以提高额定电压相比，可节省 PCB 空间并降低成本 - 高度节能 - 符合 CEC/ENERGY STAR 2008 有源模式效率要求（55% 对比 50% 要求） - 空载时输入功率低（230 VAC 时空载功耗 <200 mW 对比 500 mW 要求） - 低成本、元件数量少、紧凑、轻便的线性替代电源 - 无需光耦合器 - 无需 CC 传感电阻器 - 简单的 EMI 滤波器符合 EN55022B 限制

Design Highlights
-No input bulk capacitor
  -Improves reliability in areas with severe line voltage fluctuations
  -Saves PCB space and reduces cost compared to stacking two electrolytic capacitors for increased voltage rating
-Highly energy effi cient
  -Meets CEC/ENERGY STAR 2008 requirements for active mode effi ciency (55% vs 50% requirement)
  -Low input power at no-load (<200 mW no-load consumption at 230 VAC vs 500 mW requirement)
-Low cost, low component count, compact, lightweight linear replacement power supply 
  -No optocoupler required
 -No CC sensing resistors required
-Simple EMI fi lter meets EN55022B limits