LP40125D-1300 is an LED driver not carried by Digi-Key. S040W-056C1500-C**-UN-D2 from Thomas Research Products
were offered as replacement options.
The original part was 1300mA output the replacements are programmable from 300 mA - 1500mA
To verify this part will work in your application or to view full specifications see the manufacturer datasheet.