TCST1230_09 Datasheet, PDF (3/11 Pages) Vishay Siliconix – Transmissive Optical Sensor with Phototransistor Output

Transmissive Optical Sensor with
Phototransistor Output
TCST1230
Vishay Semiconductors
I_F I_F
0
R_G = 50 Ω
t_{p = 0.01}
T
t _p = 50 µs
20223
50 Ω
+5V
I_C = 1 mA; adjusted by I_F
100 Ω
Channel I
Channel II
Oscilloscope
R _L ≥ 1 MΩ
C_L ≤ 20 pF
Fig. 2 - Test Circuit for t_on and t_off
BASIC CHARACTERISTICS
T_amb = 25 °C, unless otherwise specified
1000
100
10
1
0.1
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
96 11862
V_F - Forward Voltage (V)
Fig. 4 - Forward Current vs. Forward Voltage
2.0
V_CE = 5 V
I_F = 20 mA
1.5
1.0
0.5
0
- 25
95 11089
0
25
50
75 100
T_amb - Ambient Temperature (°C)
Fig. 5 - Relative Current Transfer Ratio vs. Ambient Temperature
I_F
0
I_C
t_p
t
100 %
90 %
10 %
0
t_p
t_d
t_r
t_on (= t_d + t_r)
t_r
t_d
t _on
Pulse duration
Delay time
Rise time
Turn-on time
t_s
t_f
t _off
t_s
t_f
t_off (= t_s + t_f)
t
Storage time
Fall time
Turn-off time
96 11698
Fig. 3 - Switching Times
10 000
1000
V_CE = 25 V
I_F = 0 A
100
10
1
0
25
50
75
100
95 11090
T_amb - Ambient Temperature (°C)
Fig. 6 - Collector Dark Current vs. Ambient Temperature
10
V_CE = 10 V
1
0.1
0.01
0.001
0.1
95 11083
1
10
100
I_F - Forward Current (mA)
Fig. 7 - Collector Current vs. Forward Current
Document Number: 83765
Rev. 1.8, 17-Aug-09
For technical questions, contact: [e-mail]
www.vishay.com
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