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Document Number: 83549
306 Rev. 1.7, 08-May-08
IL1205AT/1206AT/1207AT/1208AT
Vishay Semiconductors
Optocoupler, Phototransistor Output,
with Base Connection in SOIC-8
Package, 110 °C Rated
Fig. 16 - Collector Base Photocurrent vs. I
F
Fig. 17 - Cut-Off-Frequency (- 3 dB) vs. Collector Current
Fig. 18 - Switching Time t
on
, t
off
vs. Load Resistance
Fig. 19 - Switching Time t
on
, t
off
vs.
Load Resistance (100 Ω to 5000 Ω)
Fig. 20 - Switching Time vs. I
F
Fig. 21 - Switching Time vs. RBE, I
F
= 10 mA
0.001
0.01
0.1
1
10
100
1000
0.1 1 10 100
IF (mA)
Collector-Base-Photocurrent I
BCP
(µA)
- 55 °C
0 °C
+ 25 °C
+ 50 °C
+ 110 °C
1
10
100
1000
0.1 1 10 100
I
c
(mA)
Cut-off-Frequency fctr (kHz)
IL1 207,
IL1208
0 °C
+ 25 °C
+ 50 °C
V
CE
= 5 V, T
amb
= 25 °C
1
10
100
1000
0 1 10 100
Load Resistance (kW)
t
on
, t
off
(µs)
t
off
t
on
1
10
100
0110
Load Resistance (kW)
t
on
, t
off
(µs)
t
off
t
on
19281
I
F
(mA)
0 5 10 15 20
Switching Time (µs)
0
2
4
6
8
10
12
14
16
t
on
t
off
RBE = 500 k, V
CE
= 5 V
T
amb
= + 25 °C
0
5
10
15
20
25
30
10 100 1000 10000
RBE (kW)
Switching Time (µs)