SMD075-LO81 Datasheet, PDF (5/17 Pages) Lumileds Lighting Company – Mid-Power LED Light Source

Optical Characterization,Tj =25°C [2]
Table 5.


Part Number

Total Flux/Luminous
Intensity
(lm/cd)
Typ.
Dominant
Wavelength (nm)
l_dom
Typ.
Peak Dominant
Wavelength (nm)
l_peak
Typ.
SMD075-LO81
2.8
615
622
SMD075-LA81
2.8
590
593
Note for Table 5:
1. u_90V is the included angle at which 90% of the total luminous flux is captured.
Typical Viewing
Angle
2u ½(°)
@ 50% intensity
120 +/- 10
120 +/- 10
Typical Total
Included
Angle
u_90V(°) ^[1]
150 +/- 10
150 +/- 10
Electrical Characterization
Table 6.

Parameter
Symbol

Forward Voltage
V_F

Thermal Resistance ^[1]
R_{th J-Ambient}

Capacitance V_F=0, F=1MHz
C

Speed of Response Time Constant, e-t/τs
τs
Note for Table 6:
1. R_{th J-Ambient} obtained based on mounting on PCB FR4 pad size á 16 mm² per pad.
Rating
2.8
180
25
20
Temperature Characterization

Parameter
Symbol
Typical Temperature coefficient of ldom
TC _ldom
I_F = 75 mA, 10°C ≤ T_j ≤ 85°C
Typical Temperature coefficient of V_F
TC _V
I_F = 75 mA, 10°C ≤ T_j ≤ 85°C

Typical
Temperature
coefficient
of
j
V
TC_j
I_F = 75 mA, 10°C ≤ T_j ≤ 85°C
Table 7.
Part Number
SMD075-LO81
SMD075-LA81
SMD075-LO81
SMD075-LA81
SMD075-LO81
SMD075-LA81
Units
V (Typ)
°C/W (Typ)
pF (Typ)
ns (Typ)
Value
0.05
0.09
-2.1
-1.0
-47.0
-55.0
Unit
nm/°C
mV/°C
mlm/°C
SignalSure Datasheet DS11 20121212
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