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Power sequence without AVS

Guru 10570 points

Hello,
For simple power designing, I would not like to use AVS for core voltage(CVDD).
But, the datasheet describes that "Implementation of SmartReflex AVS is required for proper device operation."(SPRS680.pdf : P132)

- Can I use constant power supply for CVDD?
If yes,
- Can I bring the following sequences(1-V AVS and 1-V constant) together in one?

1. 3.3 V
2. 1-V AVS
3. 1-V Constant
4. 1.8 V
5. 1.5 V
6. 0.9 V

Thank you in advance.
Best regards,
RY