Datasheet

©2010 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD2711A Rev. 1.0.0 9
FOD2711A — Optically Isolated Error Amplifier
Typical Performance Curves (Continued)
T
A
– AMBIENT TEMPERATURE (°C)
0102030405060708090100
Fig. 15 Collector Current vs. Ambient Temperature
IC – COLLECTOR CURRENT (mA)
0
5
10
15
20
25
30
I
LED
= 1mA
I
LED
= 5mA
I
LED
= 10mA
I
LED
= 20mA
V
C
E
T
A
– AMBIENT TEMPERATURE (°C)
Fig. 14 Dark Current vs. Ambient Temperature
I
CEO
– DARK CURRENT (nA)
V
C
E
=
10V
-40 -20 0 20 40 60 80 100
0.1
1
10
100
1000
10000
Fig. 16 Current Transfer Ratio vs. LED Current
I
LED
– FORWARD CURRENT (mA)
10501520253035404550
(IC/IF) – CURRENT TRANSFER RATIO (%)
40
60
80
100
120
140
0°
C
25°C
70°C
V
C
E
= 5V
Fig. 17 Saturation Voltage vs. Ambient Temperature
T
A
– AMBIENT TEMPERATURE (°C)
-40 -20 0 20 40 60 80 100
V
CE(SAT)
– SATURATION VOLTAGE (V)
0.10
0.12
0.14
0.16
0.18
0.20
0.22
0.24
0.26
= 5V
Fig. 18 Collector Current vs. Collector Voltage
V
CE
– COLLECTOR-EMITTER VOLTAGE (V)
012345678910
I
C
– COLLECTOR CURRENT (mA)
0
5
10
15
20
25
30
35
I
LED
= 1mA
I
LED
= 5mA
I
LED
= 10mA
I
LED
= 20mA
T
A
= 25°C
Fig. 19 Rate of Change Vref to Vcomp vs. Temperature
-40-60 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
DELTA VREF / DELTA VCOMP ( mV/V)
-1.6
-1.4
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2