PLASTIC INFRARED
LIGHT EMITTING DIODE
QED233
TYPICAL PERFORMANCE CURVES TBD
Fig. 1 Normalized Radiant Intensity vs. Forward Current
10
2.0
QED234
Fig. 2 Forward Voltage Vs. Ambient Temperature
Normalized to:
I F = 50mA
I F =100mA
1
I F = 100 mA
T A = 25 ? C
t pw = 100 μs
1.5
0.1
0.01
1.0
0.5
I F =10mA
I F =20mA
I F Pulsed
t pw = 100 μs
Duty Cycle = 0.1%
0.0
1
10
100
1000 1500
-40
-20
0
20
40
60
80
100
I F - FORWARD CURRENT (mA)
Fig. 3 Normalized Radiant Intensity vs. Wavelength
T A - AMBIENT TEMPERATURE (? C)
Fig. 4 Radiation Diagram
1.0
110
100
90
80
70
120
60
0.8
0.6
0.4
140
150
160
130
50
40
30
20
0.2
0
170
180
10
0
800
850
900
950
1000
1050
1.0
0.8
0.6
0.4
0.2
0.0
0.2
0.4
0.6
0.8
1.0
λλ (nm)
Fig. 5 Forward Current vs. Forward Voltage
1000
T A = 25 ? C
100
10
1
1
2
3
4
V F - FORWARD VOLTAGE (V)
DS300338
10/31/01
3 OF 4
www.fairchildsemi.com
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