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TLV62569: 采用TLV62569进行5V转1V,不断出现TLV62569失效

Part Number: TLV62569
Other Parts Discussed in Thread: TLV62568

产品前级采用TPS65320把12v转换5.2v输出,也就是TLV62569的输入(VIN),TLV62569的输出是1.0v,用量1个,同级使用了4颗TLV62568,1颗TLV70233,1颗TPS73601,其它的都没有问题,只有TLV62569失效。测试TLV62569的VIN都在5.5v内(12V上电且12v电压跳变),测试SW脚的电压也满足要求。TLV62569在低温下失效更严重。