[开关电源]MOS管在车载逆变电源中的解决方案有吗？

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要求：220V输入，±5V输出，要求输出10W功率时，效率能220V输入，±5V输出，要求输出10W功率时，效率能达到90%。这个用反激能达到效率吗？用正激还是反激效果比较好？输出满负载功率要求多少？小功率还是反激有优势。一般的方案10W估计效率

ADI推出ADP1048 首款交错式数字功率因数校正控北京2011年11月26日电 /美通社亚洲/ -- Analog Devices, Inc. (ADI)，全球领先的高性能信号处理解决方案供应商，最近推出首款交错式数字功率因数校正(PFC)控制器ADP1048 ，该器

低成本隔离式3.3V 到5V DC/DC 转换器的分立设计 隔离式 3.3V 到 5V 转换器通常用于远距离数据传输网络，这种网络中总线节点控制器由一个 3.3V 电源工作以节省电量，而总线电压为 5V，以保证在远距离传输过程中的信号完整性并提供高驱动能力。