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LP87745-Q1: Differences Between Clock Modes? Purpose of the SYNCCLKIN Pin?

Part Number: LP87745-Q1

Tool/software:

Hi team

I noticed that the LP8774 has a pin called SYNCCLKIN, which can supply an external clock to the PMIC. The PMIC is free to choose either the internal or external clock source.

In what scenarios would it be necessary to use an external clock? I am considering using the 2944 to provide a clock signal to the PMIC. What are the differences or benefits compared to using the PMIC's internal clock source?


thanks

Simon