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LMG5200参考电路电感发热

Other Parts Discussed in Thread: LMG5200, LMG5200EVM-02

您好,我在一个电路中,使用了LMG5200来构成一个BUCK电路,电路参考LMG5200EVM-02设计,输出电感采用的是推荐电路中的XAL8080-472ME,PWM输入频率为250KHZ,但是现在在上电的时候发现电感发热严重,想请教下是什么原因导致?如何能解决?

LMG5200EVM-02例程板上的XAL8080-472ME(L1)也会发热吗?

电路如下图所示:

 

LMG5200EVM-02参考电路如下: