Datasheet

www.vishay.com
6
Document Number 83653
Rev. 1.3, 26-Apr-04
VISHAY
ILD620/ 620GB / ILQ620/ 620GB
Vishay Semiconductors
Fig. 9 Collector Current vs. Diode Forward Current
Fig. 10 Normalization Factor for Non-saturated and Saturated CTR
vs. I
F
Fig. 11 Normalization Factor for Non-saturated and Saturated CTR
vs. I
F
iild620_09
1 5 10 20
100
50
10
2.5
5.0
1.0
0.5
0.1
Forward Current - I
F
mA
I
C
- Normalized Collector Current
ILD/Q620
Normalized to
I
F
=10mA
V
CE
=5V
ILD/Q620GB
iild620_10
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)
iild620_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
=70°C
Normalized to:
V
CE
=10V,I
F
= 5 mA,
CTRce(sat) V
CE
= 0.4 V
NCTRce(sat)
Fig. 12 Normalization Factor for Non-saturated and Saturated CTR
vs. I
F
Fig. 13 Peak LED Current vs. Pulse Duration, Tau
Fig. 14 Maximum Detector Power Dissipation
iild620_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
= 100 °C
Normalized to:
V
CE
=10V,I
F
= 5 mA,
CTRce(sat) V
CE
= 0.4 V
NCTRce(sat)
iild620_13
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 Factor
t
τ
iild620_14
-60 -40 -20 0 20 40 60 80 100
0
50
100
150
200
Ta - Ambient Temperature - °C
P
DET
- Detector Power - mW