Data Sheet

Typical Characteristics (Q2 P-Channel)T
J
= 25°C unless otherwise noted
Figure 26. Transient Thermal Response Curve
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
0.01
0.1
1
2
DUTY CYCLE-DESCENDING ORDER
NORMALIZED THERMAL
IMPEDANCE, Z
θJC
t, RECTANGULAR PULSE DURATION (s)
D = 0.5
0.2
0.1
0.05
0.02
0.01
SINGLE PULSE
R
θJC
= 3.5
o
C/W
0.005
P
DM
t
1
t
2
NOTES:
DUTY FACTOR: D = t
1
/t
2
PEAK T
J
= P
DM
x Z
θJC
x R
θJC
+ T
C
FDD8424H Dual N & P-Channel PowerTrench
®
MOSFET
www.fairchildsemi.com
9
©2013 Fairchild Semiconductor Corporation
FDD8424H Rev.1.5