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LMR16030: LMR16030SDDA短路保护问题

Part Number: LMR16030

Hi TI team,

  1. LMR16030SDDA 这个芯片没有短路保护功能,用电子负载测试短路功能,短路后输出变为了0.448W, 输入是3.6W,其余的功耗都在芯片上,一直很烫,12V 供电5V输出,电子负载短路后输入电流变为0.27A, 负载0.16V/2.945A, 功耗全部消耗在芯片,持续发热
  2. 负载撤销时,输出恢复正常。
  3. 请问这是正常的短路保护机制吗?下面为SW-PIN开关波形