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TL2845 空载出现打嗝现象,带载3A就出现波形丢失,求大神指点
探头挡位没错,一格5V?再看看IC的1脚,如果也是这样平滑的,拿可能是电流取样电阻过小或信号受到干扰产生的,还有一种可能是IC受干扰。去耦电容及PCB布局不太完善造成的。
电路有没有问题?