Typical Characteristics TA = 25°C unless otherwise noted
1.2
1.0
0.8
0.6
0.4
0.2
0
12
10
8
V
= 10V
GS
V
= 4.5V
GS
6
4
2
0
o
R
=50 C/W
θJA
0
25
50
75
100
125
150
25
50
75
100
125
150
o
o
T
, AMBIENT TEMPERATURE ( C)
T
, AMBIENT TEMPERATURE ( C)
A
A
Figure 1. Normalized Power Dissipation vs
Ambient Temperature
Figure 2. Maximum Continuous Drain Current vs
Ambient Temperature
2
DUTY CYCLE - DESCENDING ORDER
1
0.5
o
R
=50 C/W
0.2
θJA
0.1
0.05
0.02
0.01
0.1
P
DM
t
1
0.01
t
2
SINGLE PULSE
NOTES:
DUTY FACTOR: D = t /t
1
2
PEAK T = P
x Z
x R
+ T
A
J
DM
θJA
θJA
0.001
-5
-4
-3
-2
-1
0
1
2
3
10
10
10
10
10
10
10
10
10
t, RECTANGULAR PULSE DURATION (s)
Figure 3. Normalized Maximum Transient Thermal Impedance
1400
TRANSCONDUCTANCE
o
T
= 25 C
MAY LIMIT CURRENT
IN THIS REGION
A
FOR TEMPERATURES
ABOVE 25 C DERATE PEAK
CURRENT AS FOLLOWS:
o
V
= 10V
GS
150 - T
A
I = I
25
125
V
= 4.5V
GS
100
10
-5
-4
-3
-2
-1
0
1
2
3
10
10
10
10
10
t, PULSE WIDTH (s)
10
10
10
10
Figure 4. Peak Current Capability
4
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FDS8880 Rev. A1
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
