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Original question:

LM51772: 输出电压和电流

LM5177: LM5177空载流大，带小负载MOS发热厉害

? ?
Prodigy 20 points
Part Number: LM5177

新年好，我现在在用LM5177这个电源芯片，mode是1时，空载电流有300多ma，带3A负载时，MOS管发热很大，请问是什么问题