Typical Characteristic
1.2
1.0
0.8
0.6
0.4
0.2
0
20
15
10
5
0
0
25
50
75
100
150
175
125
o
25
50
75
100
125
o
150
175
T
, CASE TEMPERATURE ( C)
C
T , CASE TEMPERATURE ( C)
C
Figure 1. Normalized Power Dissipation vs
Ambient Temperature
Figure 2. Maximum Continuous Drain Current vs
Case Temperature
2
DUTY CYCLE - DESCENDING ORDER
0.5
0.2
1
0.1
0.05
0.02
0.01
P
DM
0.1
t
1
t
2
NOTES:
DUTY FACTOR: D = t /t
1
2
SINGLE PULSE
PEAK T = P
x Z
x R
+ T
J
DM
θJC
θJC C
0.01
10
-5
-4
-3
-2
-1
0
1
10
10
10
10
10
10
t, RECTANGULAR PULSE DURATION (s)
Figure 3. Normalized Maximum Transient Thermal Impedance
300
100
o
T
= 25 C
C
FOR TEMPERATURES
o
ABOVE 25 C DERATE PEAK
CURRENT AS FOLLOWS:
175 - T
150
C
I = I
25
V
= 10V
GS
TRANSCONDUCTANCE
MAY LIMIT CURRENT
IN THIS REGION
10
-5
-4
-3
-2
-1
0
1
10
10
10
10
t, PULSE WIDTH (s)
10
10
10
Figure 4. Peak Current Capability
©2002 Fairchild Semiconductor Corporation
Rev. B
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
