在測試Loadline時,测点不同,测试结果差异较大,所以有可能是什麼原因導致這麼大的差異?
|
电压量测点 |
Loadline |
|
VCORE_SENSE_CPU /VSS_SENSE_CPU |
1mv/A |
|
CPU 背面的输出MLCC |
1.9mv/A |
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loadline是load regulation测试么?
一般来说反馈线是接在输出电容端,这样输出才会比较准。
因为导线也有等效电阻,电流大时会有压降