Datasheet

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Document Number: 83787
4 Rev. 1.5, 17-Aug-09
TCST5250
Vishay Semiconductors
Transmissive Optical Sensor with
Phototransistor Output
Fig. 8 - Collector Current vs. Collector Emitter Voltage
Fig. 9 - Current Transfer Ratio vs. Forward Current
Fig. 10 - Turn-on/Turn-off Time vs. Collector Current
Fig. 11 - Relative Collector Current vs. Displacement
0.1
0.01
0.1
1
10
V
CE
- Collector Emitter Voltage (V)
20224
I - Collector Current (mA)
C
1 mA
0.4 mA
I
F
= 20 mA
4 mA
2 mA
100
10
1
0.1
0.1
1
10
100
C
TR -
C
urrent Transfer Ratio (%)
I
F
- Forward Current (mA)
95 11085
V
CE
= 5 V
100
10
0
0
I
C
- Collector Current
(
mA
)
95 11086
t
/
t - Turn on
/
Turn off Time (µs)
off on
Non saturated
operation
V
S
= 5 V
R
L
= 100 Ω
t
on
0
5
10
15
20
t
off
10
8
6
4
2
96 12006
0
s
A = 0.5 mm
0
10
20
30
40
50
60
70
80
90
100
110
- 0.5
s - Displacement (mm)
I
- Relative Collector Current
Crel
0.3
0.4
0.20.1
0
- 0.1
- 0.2
- 0.3
- 0.4
0.5