FDS3672
Typical Characteristics
T
A
= 25°C unless otherwise noted
1.2
POWER DISSIPATION MULTIPLIER
8
V
GS
= 10V
1.0
I
D
, DRAIN CURRENT (A)
0
25
50
75
100
125
150
6
0.8
0.6
4
0.4
2
0.2
0
25
50
75
100
125
150
T
A
, AMBIENT TEMPERATURE (
o
C)
T
C
, CASE TEMPERATURE (
o
C)
0
Figure 1. Normalized Power Dissipation vs
Ambient Temperature
2
1
Figure 2. Maximum Continuous Drain Current vs
Case Temperature
Z
θJA
, NORMALIZED
THERMAL IMPEDANCE
0.1
DUTY CYCLE - DESCENDING ORDER
0.5
0.2
0.1
0.05
0.02
0.01
P
DM
R
θJA
=50
o
C/W
0.01
SINGLE PULSE
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
0.001
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
t , RECTANGULAR PULSE DURATION (s)
10
1
10
2
10
3
Figure 3. Normalized Maximum Transient Thermal Impedance
1000
TRANSCONDUCTANCE
MAY LIMIT CURRENT
IN THIS REGION
I
DM
, PEAK CURRENT (A)
T
A
= 25
o
C
FOR TEMPERATURES
ABOVE 25
o
C DERATE PEAK
CURRENT AS FOLLOWS:
I = I
25
150 - T
C
125
V
GS
= 10V
100
10
5
10
-5
10
-4
10
-3
10
-2
10
-1
t , PULSE WIDTH (s)
10
0
10
1
10
2
10
3
Figure 4. Peak Current Capability
©2003 Fairchild Semiconductor Corporation
FDS3672 Rev. B
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
