IL256AT(1999) View Datasheet(PDF) - Infineon Technologies
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IL256AT
(Rev.:1999)
(Rev.:1999)
Infineon Technologies
IL256AT Datasheet PDF : 3 Pages
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Figure 1. LED forward current versus forward voltage
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
VF - LED Forward Voltage - V
Figure 2. Forward voltage versus forward current
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
.1
1
10
100
If - Forward Current - mA
Figure 3. Peak LED current versus duty factor, Tau
10000
τ
Duty Factor
.005
1000
.01
.02
.05
.1
.2
100
.5
t
τ
DF = /t
Figure 5. Normalized saturated CTR
1.0
Ta = 25°C
Ta = 50°C
0.8
Ta = 70°C
Ta = 100°C
Vce(sat) = 0.4V
0.6
0.4
0.2
0.0
.1
Normalized to:
If = 10 mA. Vce =10V
Ta = 25°C
1
10
100
If - LED Current - mA
Figure 6. Normalized CTRcb
1.5
Normalized to:
If=10mA, Ta=25°C
1.0
0.5
0.0
.1
1
10
If - LED Current -mA
25°C
50°C
70°C
100
Figure 7. Photocurrent versus LED current
1000
100
10
25°C
70°C
1
1010-6 10-5 10-4 10-3 10-2 10-1 10 0 10 1
t - LED Pulse Duration - s
Figure 4. Normalized CTR versus IF and Ta
2.0
Normalized to :
Ta = 25°C
1.5
Ta = 50°C
Ta = 70°C
If = 10 mA, Vce =10V
Ta = 25°C
Ta = 100°C
1.0
.1
.1
1
10
100
If - LED Current - mA
Figure 8. Base current versus IF and HFE
700
100
Vce=0.4V, Ta=25°C
600
500
10
400
300
0.5
200
0.0
.1
1
10
100
If - LED Current - mA
100
1
10
100
Ib - Base Current - µA
Infineon Technologies, Corp. • Optoelectronics Division • Cupertino, CA (formerly Siemens Microelectronics, Inc.)
www.infineon.com/opto • 1-800-777-4363
2
1
.1
1000
IL256AT
April 29, 1999
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