Datasheet

5–3
IL/ILD/ILQ74
Figure 5. Normalized non-saturated and saturated CTR
at T
A
=85 ° C versus LED current
Figure 6. Collector-emitter current versus temperature
and LED current
Figure 7. Collector-emitter leakage current versus
temperature
Figure 8. Normalized CTRcb versus LED current
and temperature
100101.1
0.0
0.5
1.0
1.5
NCTR(SAT)
NCTR
Normalized to:
Vce = 10V, IF = 10mA, Ta = 25°C
Ta = 85°C
CTRce(sat) Vce = 0.4V
IF - LED Current - mA
NCTR - Normalized CTR
6050403020100
0
5
10
15
20
25
30
35
50°C
70°C
85°C
IF - LED Current - mA
Ice - Collector Current - mA
25°C
100806040200-20
10
10
10
10
10
10
10
10
-2
-1
0
1
2
3
4
5
gp
Ta - Ambient Temperature - °C
Iceo - Collector-Emitter - nA
TYPICAL
Vce = 10V
.1 1 10 100
0.0
0.5
1.0
1.5
25°C
50°C
70°C
IF - LED Current - mA
NCTRcb - Normalized CTRcb
Normalized to:
IF =10 mA
Vcb = 9.3 V
Ta = 25°C
Figure 9. Collector base photocurrent versus LED
current
Figure 10. Normalized photocurrent versus If and
temperature
Figure 11. Normalized non-saturated HFE versus
base current and temperature
Figure 12. Normalized saturated HFE versus base
current and temperature
100
101.1
.01
.1
1
10
10
0
100
0
IF - LED Current - mA
Icb - Collector Base
Photocurrent - µA
Icb = 1.0357 *IF ^1.3631
Ta = 25°C
100
101.1
.01
.1
1
10
NIB-Ta=-20°C
NIb,Ta=25°C
NIb,Ta=50°C
NIb,Ta=70°C
If LED Current mA
Normalized Photocurrent
Normalized to:
If = 10ma, Ta = 25°C
1 10 100 1000
0.4
0.6
0.8
1.0
1.2
Ib - Base Current - µA
NHFE - Normalized HFE
Ib = 20µA
Vce = 10 V
Ta = 25°C
-20°C
25°C
50°C
70°C Normalized to:
1 10 100 1000
0.0
0.5
1.0
1.5
Ib - Base Current - (µA)
NHFE(sat) - Normalized
Saturated HFE
-20°
C
25°C
50°
C
70°
C
Normalized to:
Vce = 10V
Ib = 20µA
Ta = 25°
C
Vce = 0.4V