FOD2712 Datasheet, PDF (9/13 Pages) Fairchild Semiconductor – OPTICALLY ISOLATED ERROR AMPLIFIER

OPTICALLY ISOLATED
ERROR AMPLIFIER
FOD2712
Fig. 18 Collector Current vs Collector Voltage
45
40 ^{TA = 25°C}
35
30
I_LED = 20 mA
25
20
I_LED = 10 mA
15
10
5
0
0
I_LED = 5 mA
I_LED = 1 mA
1 2 3 4 5 6 7 8 9 10
V_CE - COLLECTOR-EMITTER VOLTAGE (V)
Fig. 19 Delta V_REF/Delta V_COMP vs Ambient Temperature
1
0
-1
-2
-40 -20
0
20
40
60
80
100
T_A - AMBIENT TEMPERATURE (°C)
Fig. 20 Voltage Gain Vs Frequency
0
100 Ω
500 Ω
-5
-10
-15
10
R_L=1 kΩ
100
FREQUENCY kHz
1000
© 2003 Fairchild Semiconductor Corporation
Page 9 of 13
4/10/03