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LM5116: Resistor is required for my LM5116 design?

Part Number: LM5116

Hi TI Experts,

I have a requirement for an buck regulator for the following spec

Vin= 60V to 100V

Vo=13V

Io=10A

I have selected LM5116 for my design. datasheet says a Rramp resistor is required  from ramp pin to Vcc pin if the output voltage is grater than 7.5V. But webbench design does not show this resistor.

Is that resistor really required for my output voltage?

Kindly advice me.

See the webbench design below, There is no Rramp resistor connected.

Regards

Aneesh