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LM46002 先加0.6A以上负载 然后通电 出现保护 无输出电压

Other Parts Discussed in Thread: LM46002

LM46002 加0.6A以上负载 然后通电 出现保护  输出电压不正常。

24V输入 3.3V输出,先加负载(0.6A~2A),然后通电,输出电压不正常,应该是出现保护(输出电压为0,去掉负载,输出电压立马正常)。

如果先通电,后加负载,负载可以加到2A,输出都很正常。