Data Sheet

FDP51N25 / FDPF51N25 — N-Channel UniFET
TM
MOSFET
©2008 Fairchild Semiconductor Corporation
FDP51N25 / FDPF51N25 Rev. 1.8
www.fairchildsemi.com
5
Typical Performance Characteristics (Continued)
Figure 11-1. Transient Thermal Response Curve for FDP51N25
Figure 11-2. Transient Thermal Response Curve for FDPF51N25 / FDPF51N25YDTU
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
-2
10
-1
* Notes :
1. Z
θJC
(t) = 0.39
0
C/W Max.
2. Duty Factor, D=t
1
/t
2
3. T
JM
- T
C
= P
DM
* Z
θJC
(t)
single pulse
D=0.5
0.02
0.2
0.05
0.1
0.01
Z
θJC
(t), Thermal Response
t
1
, Square W ave Pulse Duration [sec]
t
1
P
DM
t
2
Z
θJC
(t), Thermal Response [
o
C/W]
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
10
1
10
-2
10
-1
10
0
* Notes :
1
. Z
θJC
(t) = 3.3
0
C/W Max.
2
. Duty Factor, D=t
1
/t
2
3. T
JM
- T
C
= P
DM
* Z
θJC
(t)
single pulse
D=0.5
0.02
0.2
0.05
0.1
0.01
Z
θJC
(t), Thermal Response
t
1
, Square Wave Pulse Duration [sec]
t
1
P
DM
t
2
Z
θJC
(t), Thermal Response [
o
C/W]