Datasheet

VISHAY
ILD615/ ILQ615
Document Number 83652
Rev. 1.3, 19-Apr-04
Vishay Semiconductors
www.vishay.com
7
Figure 7. Forward Voltage vs. Forward Current
Figure 8. Peak LED Current vs. Pulse Duration, Tau
Figure 9. Maximum Detector Power Dissipation
iild615_07
IF - Forward Current - mA
100101.1
0.7
0.8
0.9
1.0
1.1
1.2
1.
3
1.4
VF - Forward Voltage - V
Ta = –55 °C
Ta=25°C
Ta = 85° C
iild615_08
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 Current - mA
.005
ˇ
DF=/t
τ
.05
.02
.01
.1
.2
.5
Duty F actor
t
τ
iild615_09
-60 -40 -20 0 20 40 60 80 100
0
50
100
150
200
Ta - Ambient Temperature - °C
P
DET
- Detector Power - mW
Figure 10. Maximum Collector Current vs. Collector Voltage
Figure 11. Normalization Factor for Non-saturated and Saturated
CTR vs. I
F
Figure 12. Normalization Factor for Non-saturated and Saturated
CTR vs. I
F
iild615_10
.1 10 100
1000
100
10
1
.1
V
CE
- Collector-Emitter Voltage - V
I
CE
- Collector Current - mA
Rth = 500 °C/W
25 °C
50 °C
75 °C
90 °C
1
iild615_11
CTRNF - Normalized CTR Factor
.1 1 10 100
2.0
1.5
1.0
0.5
0.0
I
F
- LED Current - mA
NCTRce
T
A
=25°C
Normalized to:
V
CE
=10V,I
F
= 5 mA,
CTRce(sat) V
CE
= 0.4 V
NCTRce(sat)
iild615_12
CTRNF - Normalized CTR Factor
.1 1 10 100
2.0
1.5
1.0
0.5
0.0
I
F
- LED Current - mA
NCTRce
T
A
=50°C
Normalized to:
V
CE
=10V,I
F
= 5 mA,
CTRce(sat) V
CE
= 0.4 V
NCTRce(sat)