FOD2741A_08 Datasheet, PDF (9/15 Pages) Fairchild Semiconductor – Optically Isolated Error Amplifier

Typical Performance Curves (Continued)
Fig. 14 – Dark Current vs. Ambient Temperature
10000
VCE = 10V
1000
100
10
1
0.1
-40
-20
0
20
40
60
80
100
TA – AMBIENT TEMPERATURE (°C)
Fig. 15 – Collector Current vs. Ambient Temperature
30
VCE = 5V
25
ILED = 20mA
20
15
10
5
0
0
ILED = 10mA
ILED = 6mA
ILED = 1mA
10 20 30 40 50 60 70 80 90 100
TA – AMBIENT TEMPERATURE (°C)
Fig. 16 – Current Transfer Ratio vs. LED Current
140 ^{VCE = 5V}
120
0°C
100
25°C
80
70°C
60
40
0
5 10 15 20 25 30 35 40 45 50
ILED – FORWARD CURRENT (mA)
Fig. 17 – Saturation Voltage vs. Ambient Temperature
0.26
0.24
0.22
0.20
0.18
0.16
0.14
0.12
0.10
-40
-20
0
20
40
60
80
100
TA – AMBIENT TEMPERATURE (°C)
Fig. 18 – Collector Current vs. Collector Voltage
35
T_A = 25°C
30
I_LED = 20mA
25
20
15
I_LED = 10mA
10
I_LED = 5mA
5
ILED = 1mA
0
0
1
2
3
4
5
6
7
8
9 10
V_CE – COLLECTOR-EMITTER VOLTAGE (V)
Fig. 19 – Rate of Change Vref to Vout vs. Temperature
-0.32
-0.34
-0.36
-0.38
-0.40
-0.42
-0.44
-0.46
-60 -40 -20
0
20 40 60
TEMPERATURE (°C)
80 100 120
©2004 Fairchild Semiconductor Corporation
FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1
9
www.fairchildsemi.com