LM5116的两个问题:
1、输出5V电压,实际测只有4.96V.导致后面的隔离元件时间长了发热。
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你好,
从你的layout来看,
1. 输入电容和MOS管组成的环路太大,要把电容尽可能靠近MOS。
2. 整个电流回路的线太细。
建议你依照我们的EVM的layout来处理。谢谢。