Datasheet

www.vishay.com
6
Document Number 83621
Rev. 1.4, 20-Apr-04
VISHAY
IL30/ 31/ 55/ ILD30/ 31/ 55/ ILQ30/ 31/ 55
Vishay Semiconductors
Fig. 5 HFE Current Gain vs. Base Current
Fig. 6 Low to High Propagation Delay vs. Collector Load
Resistance and LED Current
Fig. 7 High to low Propagation Delay vs. Collector Load
Resistance and LED Current
iil30_05
V
CE
=1 V
V
CE
=5 V
.01 .1 1 10 100
12000
10000
8000
6000
4000
2000
0
Base Current
Hfe - Current Gain
iil30_06
0 5 10 15 20
0
20
40
60
80
Vcc=5V
Vth = 1.5 V
220 Ω
ıˇ
470 Ω
IF - LED Current - mA
tpLH - Low/High Propagation
Delay - µS
100 Ω
1.0 kΩ
iil30_07
0 5 10 15 20
0
5
10
15
20
100Ω
1kΩ
IF - LED Current - mA
tpHL - High/Low Propagation
delay - µs
Vcc = 5 V
Vth=1.5V
Fig. 8 Switching Waveform
Fig. 9 Switching Schematic
iil30_08
I
F
t
R
V
O
t
D
t
S
t
F
t
PHL
t
PLH
V
TH
=1.5 V
iil30_09
V
O
R
L
V
CC
=13.5 V
I
F
=50 mA
F=10 KHz,
DF=50%