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LM5576电源芯片,工作温度过高怎么办?

Other Parts Discussed in Thread: LM5576

最近看了好几个电源芯片,其中LM5576,如图所示,电源部分的输出电流大约1.5A左右,工作一段时间后,芯片表面温度会达到80度左右,然后存在自动断电现象,用过的同仁帮我看看这个电路是否存在问题?