Data Sheet

©2003 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD3120 Rev. 1.4 9
FOD3120 — High Noise Immunity, 2.5 A Output Current, Gate Drive Optocoupler
Typical Performance Characteristics (Continued)
I
F
–FORWARD LED CURRENT (mA)
6 8 10 12 14 16
t
P
–PROPOGATION DELAY (ns)
t
P
–PROPOGATION DELAY (ns)
t
P
–PROPOGATION DELAY (ns)
t
P
–PROPOGATION DELAY (ns)
100
200
300
400
500
t
PLH
t
PH L
V
DD
=30V,V
SS
=0V
Rg = 10
Ω
, C g = 1 0nF
T
A
=25°C
DUTY CYC LE = 50%
f=10 kHz
T
A
– AMBIENT TEMPERATURE (°C)
-40-200 20406080100
100
200
300
400
500
t
PLH
t
PH L
I
F
= 10m A
V
DD
= 30V , V
SS
=0V
Rg = 10
Ω
, Cg = 1 0nF
DUTY CYC LE = 50%
f=10 kHz
R
g
-SERIESLOAD RESISTANCE (
Ω
)
01020304050
100
200
300
400
500
t
PLH
t
PH L
I
F
= 10m A
V
DD
= 30V , V
SS
=0V
Cg = 10nF
T
A
=25°C
DUTY CYC LE = 50%
f=10 kHz
C
g
-LOAD CAPACITA NCE (nF)
0 20 40 6 0 80 100
100
200
300
400
500
t
PLH
t
PH L
I
F
= 10m A
V
DD
=30V,V
SS
=0V
Rg = 10
Ω
T
A
=25°C
DUTY CYC LE = 50%
f=10 kHz
V
F
-FORWARD VOLTAGE (V)
0.6 0 .8 1.0 1 .2 1. 4 1 .6 1 .8
I
F
-FORWARD CURRENT (mA)
0.001
0. 01
0.1
1
10
100
T
A
=100°C
T
A
=-40°C
T
A
=25°C
0
5
10
15
20
25
30
35
01 2345
V
O
– OUTPUT VOLTA GE (V)
I
F
– FOR WA RD LE D CURR EN T ( mA )
T
A
=25°C
V
DD
=
30V
Fig. 16 Propagation Delay vs. Ambient Temperature
Fig. 1
7 Propagation Delay vs. Sereies Load Resistance
Fig. 1
9 Transfer Characteristics
Fig.
20 Input Forward Current vs. Forward Voltage
Fig. 1
8 Propagation Delay vs. Load Capacitance
Fig. 1
5 Propagation Delay vs. LED Forward Current