-6-
SEOUL SEMICONDUCTOR CO., LTD.
148-29, Kasan-Dong, Keumchun-Gu, Seoul, Korea
TEL : 82-2-3281-6269 FAX : 82-2-857-5430
<060712> Rev. 0.1
LR770D
6. CHARACTERISTIC DIAGRAMS
I
F
= f (V
F
), T
a
= 25ºC
I
rel
= f (
θ
), T
a
= 25ºC
Off Axis Angle vs. Relative Intensity Forward Voltage vs. Forward Current
2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0
1
10
100
Forward Current I
F
[mA]
Forward Voltage V
F
[V]
-90 -60 -30 0 30 60 90
0.0
0.2
0.4
0.6
0.8
1.0
X
Y
Relative Luminous Intensity
Off Axis Angle [deg.]
I
V
= f (I
F
), T
a
= 25ºC I
F
= f (T
a
), T
a
= 25ºC
Forward Current vs. Relative Intensity Ambient Temperature vs. Forward Current
0 5 10 15 20 25 30
0.0
0.4
0.8
1.2
1.6
Relative Luminous Intensity
Forward Current I
F
[mA]
-40 -20 0 20 40 60 80 100 120
0
10
20
30
40
Forward Current I
F
[mA]
Ambient Temperature T
a
[
o
C]