Dear Sirs,
My schematic is attached . The RFB is 133K , we expect a 0.87V Vout , but actrualy it is 0.815V . And also the VFB is meausre to to 0.557V iinntead of 0.6V? Could you help us ? Thank you.

LTM4650
Recommended for New Designs
The LTM4650 is a dual 25A or single 50A output switching mode step-down DC/DC μModule® (power module) regulator. Included in the package are the switching...
Datasheet
LTM4650 on Analog.com
LTM4650A
Recommended for New Designs
The LTM4650A is a dual 25A or single 50A output switching mode step-down DC/DC μModule® (micromodule) regulator with ±1% total DC output error. Included...
Datasheet
LTM4650A on Analog.com
Dear Sirs,
My schematic is attached . The RFB is 133K , we expect a 0.87V Vout , but actrualy it is 0.815V . And also the VFB is meausre to to 0.557V iinntead of 0.6V? Could you help us ? Thank you.

Hi Marcoliu,
My Apologies I dont have any answer, But Can you please help me with the ramp time. How did you determine the ramp time as 2.2ms.
I have got stuck in that.
Cloud you please help me with tdetermining softstart/ ramp time.
Thanks and regards,
Maharajan P