Power up Ramp

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Power up Ramp

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bettinawyss
Contributor I

Hi, 

I would like to use PF8200 together with PolarFire FPGA in a project. However, I noticed that the power ramp up times are slightly outside the specifications of PolarFire (200us). Is there a way to somehow get longer ramp up times? 

 

Thank you in advance

Betty 

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bettinawyss
Contributor I

Yes exactly. E.g: the start up ramp of the voltage regulator output should take at least 200us to go from 0 to 1V.

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guoweisun
NXP TechSupport
NXP TechSupport

For the slew rate time which can't modify for the output regulators.

 

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guoweisun
NXP TechSupport
NXP TechSupport

Do you mean the start up time?do you need longer than 200us of PMIC?

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