hello,各位,请教个问题
我这边用了款TI的TPS54360B,用在车载产品上,输入12V,输出8.8V,因为车上电源不稳,电源有时会跌落,当跌到8.8V时输出的8.8V也会出现向下掉的脉冲,并且不是每块板子都有,有些会出现,有些不会出现,请问这种现象是环路不稳引起的吗,有没有改善的方法让输出不出现这个往下掉的脉冲
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你每块板子测试条件(输入输出和负载)都一样么,
你这个应该还是boot电容没电导致的,解决方法参看这个文档5102.Methods to Improve Low Dropout Operation.pdf