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LM5119: When the output of LM5119 is idle, the input power consumption is too large (0.1a 48V). What is the reason for this?

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Part Number: LM5119

When the output of LM5119 is idle, the input power consumption is too large (0.1a 48V). What is the reason for this?
We made the products according to the attached schematic diagram
48 v input
Output 8 a 42 v
When the output is 0 load, the input power consumption is 48V, 0.1a?What's the reason?