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TPS26602过流保护响应模式

最近使用了TPS26602遇到一个问题,设置了过流保护的电流为200mA。当输入电压为28V时,过流后会进入自动重试模式(0mA和200mA跳变);当输入电压为16V时,过流后电流就会钳制在200mA,不会跳变。后测试当输入电压超过19V时,会跳变保护,低于19v时则是钳制。想请教一下为什么出现这种情况。配置的电阻为:

R1:660K;R2:60K;R3:30.1K;Cdvdt:2.2uF;Rilim:60.4K;Rimon:165K。