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LDO for SNVS domain

Question asked by Uma Sundaram on Dec 16, 2016
Latest reply on Dec 16, 2016 by igorpadykov

Hi,

   We are designing a PCB with IMX6UL processor and PF3001. Based on the reference design from NXP, for the same.

Can you please clarify the below questions, based on the reference design available from NXP(Sch No: SCH-29090).

 

Q1. What is the purpose of the "RT9169-33GVL", 3.3V LDO(U701), for SNVS domain in the design.

Q2. If we are not using UM805RE(U708) in the design,can we use  only the "VSNVS"  of PF3001 for powering SNVS domains of the design,instead of the LDO. 

 

Thanks,

Uma.

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