Datasheet
©2003 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD3120 Rev. 1.17.0 6
FOD3120 — High Noise Immunity, 2.5A Output Current, Gate Drive Optocoupler
Switching Characteristics
Apply over all recommended conditions, typical value is measured at V
CC
= 30V, V
EE
= Ground, T
A
= 25°C
unless otherwise specified.
Notes:
1. Maximum pulse width = 10µs, maximum duty cycle = 1.1%
2. Derate linearly above 87°C, free air temperature at a rate of 0.77mW/°C
3. No derating required across temperature range.
4. Functional operation under these conditions is not implied. Permanent damage may occur if the device is
subjected to conditions outside these ratings.
5. Device is considered a two terminal device: Pins 2 and 3 are shorted together and Pins 5, 6, 7 and 8 are shorted
together.
6. 5,000 V
RMS
for 1 minute duration is equivalent to 6,000 VAC
RMS
for 1 second duration.
7. The difference between t
PHL
and t
PLH
between any two FOD3120 parts under same test conditions.
8. Common mode transient immunity at output high is the maximum tolerable negative dVcm/dt on the trailing edge of
the common mode impulse signal, Vcm, to assure that the output will remain high (i.e. V
O
> 15.0V).
9. Common mode transient immunity at output low is the maximum tolerable positive dVcm/dt on the leading edge of
the common pulse signal, Vcm, to assure that the output will remain low (i.e. V
O
< 1.0V).
10. Pulse Width, P
W
≤ 1µs, 300pps
11. Exponential Waveform, I
O(PEAK)
≤ | 2.5A | (≤ 0.3µs)
Symbol Parameter Conditions Min. Typ. Max. Units
t
PHL
Propagation Delay Time to Logic
Low Output
I
F
= 7mA to 16mA,
Rg = 10Ω, Cg =10nF,
f = 10kHz, Duty Cycle = 50%
150 275 400 ns
t
PLH
Propagation Delay Time to Logic
High Output
150 255 400 ns
PWD Pulse Width Distortion,
| t
PHL
– t
PLH
|
20 100 ns
PDD
(Skew)
Propagation Delay Difference
Between Any Two Parts or
Channels, (t
PHL
– t
PLH
)
(7)
-250 250 ns
t
r
Output Rise Time (10% – 90%) 60 ns
t
f
Output Fall Time (90% – 10%) 60 ns
t
UVLO ON
UVLO Turn On Delay I
F
= 10mA , V
O
> 5V 1.6 µs
t
UVLO OFF
UVLO Turn Off Delay I
F
= 10mA , V
O
< 5V 0.4 µs
| CM
H
| Common Mode Transient
Immunity at Output High
T
A
= 25°C, V
CC
= 30V,
I
F
= 7 to 16mA, V
CM
= 2000V
(8)
35 50 kV/µs
| CM
L
| Common Mode Transient
Immunity at Output Low
T
A
= 25°C, V
CC
= 30V, V
F
= 0V,
V
CM
= 2000V
(9)
35 50 kV/µs