XTR117在测试中发现很奇怪的现象,供电由9v电池串联低功耗分析仪测试,电压输入由mcp4725提供,电阻15k,步进0.1v,依次循环发发现每次到5ma时均会出线一个明显的尖峰,其他位置没有,而且在这之后发现电流纹波明显增大,示波器查看电压输入没有发现电压质量的问题,什么原因呢?
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