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TPS62260烧芯片问题求助

Other Parts Discussed in Thread: TPS62260

请教TI 技术支持

   我司使用TPS62260这颗电源芯片给产品中的单片机与显示部分供电,这部分最大工作电流小于200mA,在实际使用中,我们发现一个问题:当用手触碰TPS62260时,有时会导致tps62260芯片烧坏,所有电路与PCB设计均参照该芯片的datasheet设计的,想知道问题大概出在哪里?