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MC34VR500 hard-coded internal configuration for LS1021A

Question asked by Deepak Naiknavare on Aug 17, 2016
Latest reply on Aug 17, 2016 by Deepak Naiknavare


I was looking into MC34VR500V3ES PMIC for powering LS1021A.

This chip has a hardcoded configuration for DDR 4 VTT termination of 0.6V which can eliminate my I2C requirement.

But this does not provide the 1.35V (X1VDD, required for Serdes) on any outputs.

I assume i need to use an external LDO for 1.35V if i do not use I2C. Is it correct?