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LP8865Y-Q1: Schematic review

Part Number: LP8865Y-Q1

Tool/software:

Hi team,

Could you please help review the LP8865Y-Q1 schematic and give some comments?

Customers are currently switching the R56 resistance to 11K and the LED can be illuminated when the input is 12-18V, but when the input voltage is greater than 20V, The LED cannot be illuminated.

9~32V input; 1A  output current, 13V LED output. 

Regards,

Ivy