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TPS653850A-Q1: Can I use voltage reference for tracking LDO?

Part Number: TPS653850A-Q1

Hi Expert,

There are two tracking LDOs in TPS658350A-Q1. But I need 1.09V and 1.2V. Can I use the voltage reference to generate 1.09V and 1.2V? Will this kind of usage effect functional safety level? Thanks.

BR,

Elec Cheng