Typical Characteristics T C = 25°C unless otherwise noted
1.2
50
V GS = 10V
1.0
40
0.8
30
0.6
20
0.4
0.2
0
10
0
0
25
50 75 100 125
T C , CASE TEMPERATURE ( o C)
150
175
25
50
75 100 125 150
T C , CASE TEMPERATURE ( o C)
175
Figure 1. Normalized Power Dissipation vs
Ambient Temperature
2
DUTY CYCLE - DESCENDING ORDER
Figure 2. Maximum Continuous Drain Current vs
Case Temperature
1
0.5
0.2
0.1
0.05
0.02
0.01
P DM
0.1
t 1
t 2
SINGLE PULSE
NOTES:
DUTY FACTOR: D = t 1 /t 2
PEAK T J = P DM x Z θ JC x R θ JC + T C
0.01
10 -5
10 -4
10 -3
10 -2
10 -1
10 0
10 1
t, RECTANGULAR PULSE DURATION (s)
Figure 3. Normalized Maximum Transient Thermal Impedance
500
TRANSCONDUCTANCE
MAY LIMIT CURRENT
IN THIS REGION
T C = 25 o C
FOR TEMPERATURES
ABOVE 25 o C DERATE PEAK
CURRENT AS FOLLOWS:
100
30
V GS = 10V
I = I 25
175 - T C
150
10 -5
10 -4
10 -3
10 -2
10 -1
10 0
10 1
t, PULSE WIDTH (s)
Figure 4. Peak Current Capability
?2009 Fairchild Semiconductor Corporation
FDB3672_F085 Rev. A
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