Up-shine Lighting UP-DB18-1600-40W Technical Application Manual page 5

Polar Diagram Comparison
O
180
O
-150
O
-120
0
O
-90
300
600
900
O
-60
1200
1500
O
-30
O
0
AVERAGE BEAM ANGLE (50%): 130.7DEG
Driver lifetime & LED light decay rate
Driver Lifetime
90000
80000
70000
60000
50000
40000
30000
20000
10000
0
o o
65 C 75 C
Temperature
The testing is operated at 25°C
●
The lifetime of capacitor, minimum of 5,000 hours if operated at 105°C, will be doubled whenever the temperature drops 10°C
●
The highest withstand temperature of IC, MOS could be 120°C
●
The highest withstand temperature of LED junction temperature is 150°C
●
90
80
70
60
50
40
30
20
10
0
The driver lifespan is based on capacitor working temperature.
O
150
O
120
O
90
UNIT: cd
C0/180, 156.9 deg
O
60
C30/210, 139.3 deg
C60/240, 116.9 deg
O
30
C90/270, 109.9 deg
o o o
85 C 95 C 105 C
o
Capacitor Tc ( C)
Time
LED Light Decay Rate
110%
105%
100%
95%
90%
85%
80%
75%
70%
0 1000 2000 3000 4000
IC
Capacitor
MOS
PCB
LED
Fitting
Environmental temperature
5000 6000 7000 8000 9000
LifeTime (hours)
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0.0040
0.0035
0.0030
0.0025
0.0020
0.0015
0.0010
FLUX
0.0005
△ U'V'
0.0000
10000