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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/834337/ucc28070-can-ucc28070-support-1khz-ac-input
UCC28070能否支持1kHz 交流输入？
您好、邱：
我们在800Hz 下测试了 UCC28070EVM、它可以正常工作、但 PF 更糟。 如果您希望进一步将输入频率增加到1kHz、它将进一步 影响 PF 和 ITHD、并且应该正常工作。
随附800Hz 测试 report.e2e.ti.com/.../1452.3162.UCC28070_5F00_800Hz.pptx
