This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LM5069: 负载为电阻时,重启过程与手册描述不一致。

Part Number: LM5069


您好:

采用LM5069MM-2,输入电压为12V,过流限制为2A。负载为电子负载恒流模式时,其重启过程正常,波形如下(所有波形图中,蓝色CH1为TimerPin,红色CH2为GatePin):

但是,负载如果为固定阻值的电阻,其重启过程并不是手册中描述的8个电容充放电周期的循环,如下面几个图所示:

请问,这是什么原因?