R θ JC = 1.9 C/W
T C = 25 C
Typical Characteristics T J = 25°C unless otherwise noted
300
100
SINGLE PULSE
o
o
10
10
10
10
-3
-2
-1
1
10
100
1000
t, PULSE WIDTH (s)
Figure 13. Single Pulse Maximum Power Dissipation
2
DUTY CYCLE-DESCENDING ORDER
1
D = 0.5
0.2
0.1
0.05
P DM
0.02
0.01
t 1
SINGLE PULSE
NOTES:
t 2
R θ JC = 1.9 C/W
o
DUTY FACTOR: D = t 1 /t 2
PEAK T J = P DM x Z θ J C x R θ J C + T C
10
10
0.1
-2
-1
1
10
100
1000
t, RECTANGULAR PULSE DURATION (sec)
Figure 14. Junction-to-Case Transient Thermal Response Curve
?2011 Fairchild Semiconductor Corporation
FDB86102LZ Rev.C1
5
www.fairchildsemi.com
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