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LM5116-12EVAL: LM5116-12EVAL DEMO测试动态负载时,电感会啸叫

Part Number: LM5116-12EVAL
Other Parts Discussed in Thread: LM5116

测hi LM5116 EVM板,测试时电感会有啸叫

测试条件:输入48V;

动态负载:电流变化斜率1A/us,负载25%~75%~25%变化,即Ilow=1.25A,Ihigh=2.5A,频率1000Hz

如果增大负载变化5%~95%~5%,啸叫会更严重