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近期看了几篇关于fly-back芯片的datasheet,里面有个ESD的问题一直比较困惑!内容如下:
ABSOLUTE MAXIMUM RATINGS
HV to PGND..........................................................................................................-0.3V to 650V
SRD to SGND..........................................................................................................-1V to 200V
VCC to PGND..........................................................................................................-0.3V to 35V
VDD to SGND..........................................................................................................-0.3V to 35V
ESD capability human body model (except VCC,VDD,SRD and HV).......................................4.0kV
ESD capability human body model (VCC,VDD).....................................................................3.5kV
ESD capability human body model (SRD)............................................................................2.0kV
ESD capability human body model (HV)..............................................................................800kV
为何高压HV pin ESD反而更低?
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