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IL55B Datasheet, PDF (4/6 Pages) Siemens Semiconductor Group – PHOTODARLINGTON OPTOCOUPLER
IL55B/ 56B/ MOC8021
Vishay Semiconductors
10 Normalized to:
IF = 10 mA
1 Vce = 5 V
.1
Vce = 5 V
Vce = 1V
.01
.001
.1
iil55b_03
1
10
100
IF - LED Current - mA
Figure 3. Normalized Non-Saturated and Saturated Collector-
Emitter Current vs. LED Current
IF
tD
VO
tR
tPLH
VTH=1.5 V
iil55b_06
tPHL
tS
tF
Figure 6. Switching Waveform
80
VCC = 5V
Vth = 1.5 V
60
1.0 kΩ
40
20
0
0
iil55b_04
220 ıΩˇ
470 Ω
100 Ω
5
10
15
20
IF - LED Current - mA
iil55b_07
Figure 4. Low to High Propagation Delay vs. Collector Load
Resistance and LED Current
VCC =13.5 V
F=10 KHz,
DF=50%
RL
VO
IF =50 mA
Figure 7. Switching Schematic
20
1kΩ
15
10
100Ω
5
VCC = 5 V
Vth = 1.5 V
0
0
iil55b_05
5
10
15
20
IF - LED Current - mA
Figure 5. High to low Propagation Delay vs. Collector Load
Resistance and LED Current
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4
Document Number 83637
Rev. 1.5, 26-Oct-04