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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1565866/ucc28750-we-are-required-input-over-voltage-protection-above-300vac-how-to-connect-flt-pin-in-schematic-through-auxilary-or-input-bulk-capacitor-please-suggest-me
工具/软件：
输入过压检测旨在连接到输入大容量电容器。
当 FLT 引脚 电压大于 (VFLT (OVP)) 时、输入 OVP 将跳闸。您需要将大容量电容器到 FLT 引脚的分压器设置为具有 4.1V 的电压、此时您希望设计停止开关并进入输入 OVP 故障保护状态。
此致、
