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| IL256AT_08 Datasheet, PDF (3/7 Pages) Vishay Siliconix – Optocoupler, Phototransistor Output, AC Input, with Base Connection | |||
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IL256AT
Optocoupler, Phototransistor Output, Vishay Semiconductors
AC Input, with Base Connection
TYPICAL CHARACTERISTICS
Tamb = 25 °C, unless otherwise specified
60
40
20
25 °C
0
- 20
85 °C
- 55 °C
- 40
- 60
- 1.5 - 1.0 - 0.5
0.0 0.5
1.0 1.5
iil256at_01
VF - LED Forward Voltage (V)
Fig. 1 - LED Forward Current vs.Forward Voltage
2.0
Normalized to:
IF = 10 mA, VCE = 10 V
1.5 TA = 25 °C
TA = 25 °C
TA = 50 °C
1.0
TA = 70 °C
TA = 100 °C
0.5
0.0
0.1
1
10
100
iil256at_04
IF - LED Current (mA)
Fig. 4 - Normalized CTR vs. IF and Tamb
1.4
1.3
TA = - 55 °C
1.2
1.1
TA = 25 °C
1.0
0.9
TA = 100 °C
0.8
0.7
0.1
1
10
100
iil256at_02
IF - Forward Current (mA)
Fig. 2 - Forward Voltage vs. Forward Current
1.0
TA = 25 °C
0.8
TA = 50 °C
TA = 70 °C
TA = 100 °C
0.6
VCE(sat) = 0.4 V
0.4
0.2
0.0
0.1
iil256at_05
Normalized to:
IF = 10 mA, VCE = 10 V
TA = 25 °C
1
10
100
IF - LED Current (mA)
Fig. 5 - Normalized Saturated CTR
10000
Duty Factor
1000
0.005
0.01
0.02
0.05
0.1
0.2
100 0.5
Ï
t
DF = Ï/t
10
10 - 6 10 - 5 10 - 4 10 - 3 10 - 2 10 - 1 10 0 10 1
iil256at_03
t - LED Pulse Duration (s)
Fig. 3 - Peak LED Current vs. Duty Factor, Tau
1.5
Normalized to:
IF = 10 mA
1.0
0.5
0.0
0.1
iil256at_06
TA = 25 °C
TA = 50 °C
TA = 70 °C
1
10
100
IF - LED Current (mA)
Fig. 6 - Normalized CTRcb
Document Number: 83620
Rev. 1.8, 08-Jan-08
For technical questions, contact: optocoupler.answers@vishay.com
www.vishay.com
3
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