HUF75545P3, HUF75545S3, HUF75545S3S
Typical Performance Curves
1.2
1.0
0.8
0.6
0.4
0.2
0
80
60
40
20
0
V
= 10V
GS
175
0
25
50
75
100
150
175
25
50
75
100
125
o
150
125
o
T
, CASE TEMPERATURE ( C)
T , CASE TEMPERATURE ( C)
C
C
FIGURE 1. NORMALIZED POWER DISSIPATION vs CASE
TEMPERATURE
FIGURE 2. MAXIMUM CONTINUOUS DRAIN CURRENT vs
CASE TEMPERATURE
2
DUTY CYCLE - DESCENDING ORDER
0.5
1
0.2
0.1
0.05
0.02
0.01
P
DM
0.1
t
1
t
2
NOTES:
DUTY FACTOR: D = t /t
SINGLE PULSE
1
2
PEAK T = P
x Z
x R
+ T
θJC C
J
DM
θJC
0.01
-5
-4
10
-3
10
-2
10
-1
10
0
1
10
10
10
t, RECTANGULAR PULSE DURATION (s)
FIGURE 3. NORMALIZED MAXIMUM TRANSIENT THERMAL IMPEDANCE
2000
1000
o
T
= 25 C
C
FOR TEMPERATURES
o
ABOVE 25 C DERATE PEAK
CURRENT AS FOLLOWS:
175 - T
150
C
I = I
25
V
= 10V
GS
100
50
TRANSCONDUCTANCE
MAY LIMIT CURRENT
IN THIS REGION
-5
-4
-3
10
-2
10
-1
0
1
10
10
10
10
10
t, PULSE WIDTH (s)
FIGURE 4. PEAK CURRENT CAPABILITY
©2002 Fairchild Semiconductor Corporation
HUF75545P3 / HUF75545S3 / HUF75545S3S Rev. C
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
