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关于DCDC Buck转换器引脚耐压测试问题!

各位好:

        如下为TI的DCDC Buck转换器芯片TPS57140-Q1

该芯片的PH引脚耐压值为47V,请问我现在要测试耐压值是否达标,有如下可能:

1、是直接拿到一个芯片,然后只引出来GND和PH引脚,然后直接加上47V直流电,看该引脚是否损坏?

2、还是行业内有其他测试方法?

谢谢。