Datasheet

FDS2672 N-Channel UltraFET Trench
®
MOSFET
FDS2672 Rev. B www.fairchildsemi.com5
Figure 13. Transient Thermal Response Curve
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
3
1E-4
1E-3
0.01
0.1
1
DUTY CYCLE-DESCENDING ORDER
NORMALIZED THERMAL
IMPEDANCE, Z
θJA
t, RECTANGULAR PULSE DURATION (s)
D = 0.5
0.2
0.1
0.05
0.02
0.01
SINGLE PULSE
2
P
DM
t
1
t
2
NOTES:
DUTY FACTOR: D = t
1
/t
2
PEAK T
J
= P
DM
x Z
θJA
x R
θJA
+ T
A
Typical Characteristics T
J
= 25°C unless otherwise noted
Thermal characterization performed using the conditions described in Note 1b
Transient thermal response will change depending on the circuit board design