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关于芯片UCC28070功能询问

Other Parts Discussed in Thread: UCC28070

指标要求

输入电压范围:85Vac~265Vac

输出电压范围:360VDC

输出电流:5A

问题:

1,能否用UCC28070实现功能(芯片工作85~255Vac,255~265Vac芯片不工作)

2,按照参考手册Kr=3/360,那么当输入255~265Vac时Vinac引脚会大于3V,会超过芯片推荐3V范围。这样使用会不会损坏芯片