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参数资料
| 型号： | IL256AT-1 |
| 厂商： | VISHAY SEMICONDUCTORS |
| 元件分类： | 光电耦合器 |
| 英文描述： | 1 CHANNEL AC INPUT-TRANSISTOR OUTPUT OPTOCOUPLER |
| 封装： | ROHS COMPLIANT, SOIC-8 |
| 文件页数： | 3/7页 |
| 文件大小： | 102K |
| 代理商： | IL256AT-1 |
Document Number: 83620
For technical questions, contact: optocoupler.answers@vishay.com
www.vishay.com
Rev. 1.8, 08-Jan-08
3
IL256AT
Optocoupler, Phototransistor Output,
AC Input, with Base Connection
Vishay Semiconductors
TYPICAL CHARACTERISTICS
Tamb = 25 °C, unless otherwise specified
Fig. 1 - LED Forward Current vs.Forward Voltage
Fig. 2 - Forward Voltage vs. Forward Current
Fig. 3 - Peak LED Current vs. Duty Factor, Tau
Fig. 4 - Normalized CTR vs. IF and Tamb
Fig. 5 - Normalized Saturated CTR
Fig. 6 - Normalized CTRcb
iil256at_01
- 1.5 - 1.0
- 0.5
0.0
0.5
1.0
1.5
60
40
20
0
- 20
- 40
- 60
- 55 °C
V
F - LED Forward Voltage (V)
I F
-LED
For
w
ard
C
u
rrent
(mA)
85 °C
25 °C
iil256at_02
10
100
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
I
F - Forward Current (mA)
V
F
-For
w
ard
V
oltage
(
V
)
T
A = - 55 °C
T
A = 100 °C
T
A = 25 °C
0.1
1
iil256at_03
10 - 6 10 - 5
10 - 4
10 - 3 10 - 2
10 - 1
10 0
10 1
10000
1000
100
10
t - LED Pulse Duration (s)
If(pk)
-
Peak
LED
C
u
rrent
(mA)
0.005
0.05
0.02
0.01
0.1
0.2
0.5
Duty Factor
t
DF = /t
τ
iil256at_04
10
100
2.0
1.5
1.0
0.5
0.0
IF - LED Current (mA)
N
ormalized
CTR
TA = 25 °C
TA = 50 °C
TA = 70 °C
TA = 100 °C
Normalized to:
IF = 10 mA, VCE = 10 V
TA = 25 °C
1
0.1
iil256at_05
10
100
1.0
0.8
0.6
0.4
0.2
0.0
IF - LED Current (mA)
N
ormalized
CTR
Normalized to:
IF = 10 mA, VCE = 10 V
TA = 25 °C
VCE(sat) = 0.4 V
TA = 25 °C
TA = 50 °C
TA = 70 °C
TA = 100 °C
0.1
1
iil256at_06
10
100
1.5
1.0
0.5
0.0
T
A = 25 °C
T
A = 50 °C
T
A = 70 °C
I
F - LED Current (mA)
N
ormalized
CTR
CB
Normalized to:
I
F = 10 mA
0.1
10
1
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