Anyone come across this before?

Who am i kidding, being flashlight people i’m sure a few have, i was looking for numerical data for voltage and current for xm-l leds for some lumen/watt calculations, i want more precise numbers then the graphs in the datasheets, i didn’t find one, but did some across this

http://www.cree.com/~/media/Files/Cree/LED%20Components%20and%20Modules/XLamp/XLamp%20Application%20Notes/XLampPulsedCurrent.pdf

I didn’t find a page that talked about this document so here it is.