Typical Characteristics T C = 25°C unless otherwise noted
1.2
1.0
0.8
140
120
100
80
CURRENT LIMITED
BY PACKAGE
VGS =10V
0.6
60
0.4
40
VGS = 5V
0.2
20
R θ JC = 0.62°C/W
0
0
25
50
75
100
125
150
175
0
25
50
75
100
125
150
T C , CASE TEMPERATURE
( o C)
T C , CASE TEMPERATURE (°C)
Figure 1. Normalized Power Dissipation vs Case
Temperature
2
Figure 2. Maximum Continuous Drain Current vs
Case Temperature
1
DUTY CYCLE - DESCENDING ORDE R
0.5
0.2
0.1
0.05
0.02
0.01
P DM
0.1
t 1
t 2
0.01
SINGLE PULSE
NOTES:
DUTY FACTOR: D = t 1 /t 2
PEAK T J = P DM x R θ JC + T C
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
1000
TRANSCONDUCTANCE
MAY LIMIT CURRENT
IN THIS REGION
T C = 25 o C
FOR TEMPERATURES
ABOVE 25 o C DERATE PEAK
CURRENT AS FOLLOWS:
100
V GS = 5V
I = I 25
175 - T C
150
50
10 -5
10 -4
10 -3
10 -2
10 -1
10 0
10 1
t, PULSE WIDTH (s)
Figure 4. Peak Current Capability
?200 5 Fairchild Semiconductor Corporation
FDB5800 Rev. C2
3
www.fairchildsemi.com
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