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TPS61021ADSGR使用3-3.6V电池供电,为啥芯片输入老是击穿,导致芯片损坏

TPS61021ADSGR使用3-3.6V电池供电,输出3.8V,最大输出电流2.2A持续输出50ms,平时持续输出0.4A,为啥芯片输入老是击穿,导致芯片损坏,输入端只接有一个22uF C0603与100nF C0402陶瓷贴片电容,请问这是怎么导致的?