Typical Characteristics TJ = 25 °C unless otherwise noted
2
1
DUTY CYCLE-DESCENDING ORDER
D = 0.5
0.2
0.1
0.1
0.05
0.02
0.01
PDM
0.01
0.001
10-4
SINGLE PULSE
RθJA = 125 oC/W
t1
t2
NTES:
DUTY FACTOR: D = t1/t2
PEAK TJ = PDM x ZθJA x RθJA + TA
10-3
10-2
10-1
1
10
100
t, RECTANGULAR PULSE DURATION (sec)
Figure 13. Junction-to-Ambient Transient Thermal Response Curve
1000
©2008 Fairchild Semiconductor Corporation
5
FDS8882 Rev.C
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