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TMS320F2808PZA功耗大小



 我们想确认TMS320F2808PZA 1.8V内核功耗大小。我们用两级LDO单独给内核供电,5V→3.3V→1.8V,从5V输入端测出电流大小为280mA左右,觉得电流偏大导致过热,想确认2808内核在以下状态下功耗大小:

1. 程序已烧完,外设已初始化,CPU没做任何运算。

2. 没烧程序大概200mA左右。

3. LDO电压正常输出。

4. LDO型号:Atmel ASM1117。     

帮忙看下以上问题,感谢!