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FDN86246 Datasheet, PDF (5/6 Pages) Fairchild Semiconductor – N-Channel PowerTrench® MOSFET
Typical Characteristics TJ = 25 °C unless otherwise noted
2
DUTY CYCLE-DESCENDING ORDER
1
0.1
0.01
D = 0.5
0.2
0.1
0.05
0.02
0.01
SINGLE PULSE
RTJA = 180 oC/W
PDM
t1
t2
NOTES:
DUTY FACTOR: D = t1/t2
PEAK TJ = PDM x ZTJA x RTJA + TA
0.001
10-4
10-3
10-2
10-1
1
10
100
t, RECTANGULAR PULSE DURATION (sec)
Figure 12. Junction-to-Ambient Transient Thermal Response Curve
1000
©2010 Fairchild Semiconductor Corporation
5
FDN86246 Rev.C
www.fairchildsemi.com