<20MW备用电源

IW1677是一款高性能AC / DC控制器，旨在驱动高达5W的峰值电流模式PWM的低成本BJT电源开关。IW1677 IW1677为智能手机的功率适配器提供理想的理想选择PrimAccurate™digital primary-side control, eliminating the need for the secondary-side optocoupler, reducing component count and solution cost.

The iW1677 integrates an active start-up circuit that allows for fast turn-on without impacting operating current consumption. The device easily meets the US DoE’s external power supply standard and the EU’s Code of Conduct, version 5, tier 2 standard, with no-load power consumption less than 20mW. Additional features include Dialog's proprietaryEZ-EMI™技术，准谐振控制在重负载，电缆和连接器电压降补偿选项中的最佳效率，完全保护故障条件和微小的包装。