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TPS61030 抗干扰能力差,容易坏

Other Parts Discussed in Thread: TPS61030

输入输出规格

输入 3.7V电池,输入电容 10uF+0.1uF  电感 6.8uH。

输出 220uF,5V/2A

输入电容测试 3.5A

发现很多芯片工作一会儿就坏,而且抗干扰的能力不好,测试时,手指靠近 FB 的电阻时,芯片工作会不稳定。

芯片测试的壳温 60度,没到过温点

PGND和Thermalpad 有三层地散热

还请专家帮忙指导,这颗料的抗静电能力及整改的方法,谢谢!