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LM5145: LM5145 is overheating

Part Number: LM5145

Tool/software:

  0363.LM5145_quickstart_calculator_A5.xlsm

I am using LM5145 in my board as 40V regulator.
Input voltage is 48V.
When input 48V, the board is overheating and so LM5145 has been damaged.
I designed the circuit by using the LM5145_quickstart_calculator.
Please review my design and help me.
Thank you