IL250, IL251, IL252, ILD250, ILD251, ILD252
www.vishay.com
Vishay Semiconductors
Rev. 1.7, 12-Apr-13
5
Document Number: 83618
For technical questions, contact: optocoupleranswers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
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Fig. 11 - Normalized Non Saturated h
FE
vs.
Base Current and Temperature
Fig. 12 - Normalized Saturated h
FE
vs.
Base Current and Temperature
Fig. 13 - Propagation Delay vs. Collector Load Resistor
Fig. 14 - Switching Timing
Fig. 15 - Switching Schematic
iil250_11
1000
0.4
0.6
0.8
1.0
1.2
I
B
- Base Current (µA)
Nh
FE
- Normalized h
FE
- 20 °C
25 °C
50 °C
70 °C
Normalized to:
I
B
= 20 µA
V
CE
=10V
T
A
=25 °C
100
1
10
iil250_12
100
1000
0.0
0.5
1.0
1.5
I
B
- Base Current (µA)
V
CE
= 0.4 V
Normalized to:
V
CE
=10V
I
B
= 20 µA
T
A
=25 °C
70 °C
50 °C
25 °C
- 20 °C
Nh
FE(sat)
- Normalized
Saturated
h
FE
1
10
iil250_13
R
L
- Collector Load Resistor (kΩ)
1001010.1
1
10
100
1000
1.
0
1.
5
2.
0
2.
5
t
pLH
t
pHL
t
pLH
- Propagation Delay (µs)
T
A
= 25 °C, I
F
=10mA
V
CC
= 5 V,Vth=1.5 V
t
pHL
- Propagation Delay (µs)
iil250_14
I
F
t
R
V
O
t
D
t
S
t
F
t
PH
L
t
PLH
V
TH
= 1.5 V
iil250_15
V
O
V
CC
=5V
R
L
I
F
= 10 mA
F = 10 kHz,
DF = 50 %
