NCP1215

Low Cost Variable OFF Time Switched Mode Power Supply Controller

NCP1215A

可变关断时间控制器; • Variable OFF Time Control Method\n• Very Low Current Consumption at Start-up\n• Natural Frequency Dithering for Improved EMI Signature\n• Current Mode Control Operation\n• Peak Current Compression Reduces Transformer Noise\n• Programmable Current Sense Resistor Peak Voltage\n• Undervoltage Lockout\n• Pb-Free Packages are Available\n;

NCP1215A 是一款用于低功耗离线反激开关模式电源 (SMPS) 的控制器，尺寸小、重量轻、成本低，且具有良好的低待机功耗性能。其运行原理为通过增加关断时间来降低轻型负载下的开关频率。另外，当关断时间延长时，峰值电流逐渐降至最大峰值电流的约 1/4，防止激发变压器机械谐振。噪声风险因此得以大幅降低，同时保持良好的待机功耗性能。

NCP1215A

Power Factor Controllers

NCP1215A

Low Cost Variable OFF Time Switched Mode Power Supply Controller

NCP1215ADR2

Low Cost Variable OFF Time Switched Mode Power Supply Controller

NCP1215ADR2G

Low Cost Variable OFF Time Switched Mode Power Supply Controller

NCP1215ASNT1

Low Cost Variable OFF Time Switched Mode Power Supply Controller

NCP1215ASNT1G

Low Cost Variable OFF Time Switched Mode Power Supply Controller

NCP1215DR2

Low Cost Variable OFF Time Switched Mode Power Supply Controller

NCP1215DR2G

Low Cost Variable OFF Time Switched Mode Power Supply Controller