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IL55B Datasheet, PDF (3/6 Pages) Siemens Semiconductor Group – PHOTODARLINGTON OPTOCOUPLER
Coupler
Parameter
Coupling capacitance
Collector-emitter saturation
voltage
Test condition
IC = 2.0 mA, IF = 1.0 mA
Current Transfer Ratio
Parameter
Current Transfer Ratio
Test condition
IF = 10 mA, IF = 0
IL55B/ 56B/ MOC8021
Vishay Semiconductors
Symbol
Min
Typ.
Max
Unit
CC
1.5
pF
VCE(sat)
1.0
V
Part
Symbol Min
Typ.
Max
Unit
IL55B
CTR
500
%
IL56B
CTR 1000
%
MOC8021 CTR 1000
%
Switching Characteristics
Parameter
Turn-on time
Turn-off time
Test condition
VCC = 10 V
IF = 5.0 mA, RL = 100 Ω
Symbol
Min
Typ.
Max
Unit
tON
5.0
µs
tOFF
100
µs
Typical Characteristics (Tamb = 25 °C unless otherwise specified)
1.4
1. 3
Ta = –55°C
1.2
1.1
Ta = 25°C
1.0
0.9
0.8
0.7
.1
iil55b_01
Ta = 85°C
1
10
100
IF - Forward Current - mA
Figure 1. Forward Voltage vs. Forward Current
1.2
Normalized to:
1.0 Vce = 5 V
0.8 IF = 10 mA
0.6
Vce = 5 V
0.4
0.2
0.0
.1
Vce =1V
1
10
100
IF - LED Current - mA
1000
iil55b_02
Figure 2. Normalized Non-Saturated and Saturated CTRCE vs.
LED Current
Document Number 83637
Rev. 1.5, 26-Oct-04
www.vishay.com
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