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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/841550/ucc28704-ucc28704-pf-and-thd-issue
UCC28704是否支持 PF 值和 THD 校正功能？ 如果没有其他解决方案可用、则客户端应用为交流/直流 LED 应用(36W)。
Cheng
UCC28704没有有源功率因数校正。
http://www.ti.com/power-management/led-drivers/general-lighting-led-drivers/products.html 上提供了适用于您的目标电源范围内 LED 驱动器且具有功率因数校正功能的 TI 交流/直流控制器列表
此致、
Eric
