QED234 Просмотр технического описания (PDF) - Fairchild Semiconductor
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QED234 Datasheet PDF : 4 Pages
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PLASTIC INFRARED
LIGHT EMITTING DIODE
QED233
QED234
TYPICAL PERFORMANCE CURVES TBD
Fig. 1 Normalized Radiant Intensity vs. Forward Current
10
Normalized to:
1
IF = 100 mA
TA = 25˚C
tpw = 100 µs
0.1
0.01
1
10
100
1000 1500
IF - FORWARD CURRENT (mA)
Fig. 2 Forward Voltage Vs. Ambient Temperature
2.0
IF = 50mA
IF =100mA
1.5
1.0
IF =10mA
IF =20mA
0.5
IF Pulsed
tpw = 100 µs
Duty Cycle = 0.1%
0.0
-40
-20
0
20
40
60
80
100
TA - AMBIENT TEMPERATURE (˚ C)
Fig. 3 Normalized Radiant Intensity vs. Wavelength
1.0
0.8
0.6
0.4
0.2
0
800
850
900
950
1000
1050
λλ(nm)
Fig. 4 Radiation Diagram
100 90 80
110
70
120
60
130
50
140
40
150
30
160
20
170
10
180
0
1.0 0.8 0.6 0.4 0.2 0.0 0.2 0.4 0.6 0.8 1.0
Fig. 5 Forward Current vs. Forward Voltage
1000
TA = 25˚C
100
10
1
1
2
3
4
VF - FORWARD VOLTAGE (V)
DS300338 10/31/01
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