TERRALUX TLM-R08A - Manual (Page 4)

4
TERRALUX TLM-R08A Product Specification – Subject to change without notice
WWW.TERRALUX.COM
5/23/2014
LEDSense ® Operation, Thermal De-rating and Lumen
The TLM-R08A employs TERRALUX’s patented LEDSense ® Thermal Management Technology to
automatically provide maximum light output in various fixtures and operating conditions while
assuring long-term lumen maintenance. LED-Sense
® regularly measures the operating temperature
and ensures compliance with a pre-programmed temperature and drive-current profile. This profile
is based on the LED manufacturer’s LM-80 data report and minimum L70/60,000 hour lumen
maintenance curves. LEDSense
® is always active, and will compensate for variation in thermal
conditions due to heatsinking, ambient air, engine positioning, or any other variable that affects the
operating temperature. The Thermal De-rating curve below identifies the relative light output that
can be expected under various thermal conditions. The LEDSense
® Power Curve identifies the
reduction in input power over temperature.
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
110%
25
30
35
40
45
50
55
60
65
70
75
80
%
o
f i
n
it
ia
l L
OP
Heatsink Temperature Tc [°C]
Light Output vs Temperature
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
110%
25
30
35
40
45
50
55
60
65
70
75
80
%
o
f i
n
it
ia
l P
o
w
er
Heatsink Temperature Tc [°C]
Power vs. Heatsink Temperature