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TPS65910: Is it okay to change the DDR2 voltage from 1.5V to 1.8V after booting?

Kaji@PAN
Mastermind 7015 points
Part Number: TPS65910

Hello,

I am currently using TPS65910AA1RSL, but since the product is not available, I am considering using TPS65910A31A1RSL instead.
In this regard, I asked a question in the thread below and got an answer.
The content of the answer is to change the 1.5V setting to 1.8V by I2C after booting.
I will ask you again about this.
I use DDR2, but is it okay for DDR2 to change the voltage applied to DDR2 to 1.8V after starting with 1.5V applied to DDR2 at startup?

Best regards,

e2e.ti.com/.../tps65910-how-to-output-vio_reg-1-8v-with-tps65910a31a1rsl