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LM61480-Q1: 相关问题咨询

Part Number: LM61480-Q1
Other Parts Discussed in Thread: LM61480

Hi, QC,

请帮忙评估以下几个实测现象是否存在风险以及有什么解决办法建议吗?设计电路图如下:

1、LM61480的SW信号上升边沿不单调,存在明显回沟。测试条件:1A以上负载,VIN=13.5V,VOUT=5.2V,弹簧探头最短回路地测试。

2、LM61480的SW信号下冲较大,4A负载时下冲-2.2V;8A负载时下冲最大达-4.7V。测试条件:VIN=13.5V,VOUT=5.2V,弹簧探头最短回路地测试。