QRE00034 Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
QRE00034 Datasheet PDF : 6 Pages
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REFLECTIVE OBJECT SENSOR
Fig. 7 Collector Current vs. Collector to Emitter Voltage
5
d=3.5mm
d=4.0mm
4
d=4.5mm
Sensing Distance-
(with 90% reflective card)
3
2
1
IF = 50 mA
IF = 40 mA
IF = 30 mA
IF = 20 mA
IF = 10 mA
0
0.1
1
10
VCE - COLLECTOR-EMITTER VOLTAGE (V)
Fig. 9 Forward Voltage vs. Ambient Temperature
3
IF Pulsed
Pulsed Width = 10 µs
Duty Cycle = 0.01%
2
1
IF = 100 mA
IF = 50 mA
IF = 20 mA
IF = 10 mA
0
-40
-20
0
20
40
60
80
TA - AMBIENT TEMPERATURE (˚C)
QRE00034
Fig. 8 Collector Emitter Dark Current
vs. Forward Current
6
VCE = 5 V
TA = 25˚C
5 Non-reflective material
4
3
2
1
0
10
20
30
40
50
IF - FORWARD CURRENT (mA)
Fig. 10 Normalized Collector Current vs. Distance d2
1.0
d = 3.5 mm
d = 4.0 mm
d = 4.5 mm
0.8
0.6
0.4
0.2
TA = 25˚C
IF = 20 mA
VCE = 5 V
Sensing Object-
90% reflective card
0
d2
d1
SE
0.0
0
1
2
3
4
5
6
7
8
9 10
d2 - DISTANCE (mm)
Fig. 11 Normalized Collector Current vs. Distance d2
1.0
d = 3.5 mm
d = 4.0 mm
d = 4.5 mm
0.8
0.6
0.4
0.2
TA = 25˚C
IF = 20 mA
VCE = 5 V
Sensing Object-
90% reflective card
0
d2
d1
ES
0.0
0
1
2
3
4
5
6
7
8
9 10
d2 - DISTANCE (mm)
Fig. 12 Normalized Collector Current vs. Distance d2
1.0
TA = 25˚C
0.8
IF = 17 mA
VCE = 5 V
0.6
Sensing Object-
90% reflective card
0.4
0
d2
d1
0.2
0.0
0
1
2
3
4
5
d2 - DISTANCE (mm)
Distancel d2(mm) vs Norm Ic(on) @ d1=3.3mm
Distancel d2(mm) vs Norm Ic(on) @ d1=4.5mm
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9/21/01 DS300254
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