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