HUFA76429D3, HUFA76429D3S
Typical Performance Curves
1.2
1.0
0.8
0.6
0.4
0.2
0
25
V
= 10V
GS
20
15
10
5
V
= 4.5V
GS
0
175
0
25
50
75
100
150
175
25
50
75
T , CASE TEMPERATURE ( C)
100
125
150
125
o
o
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
1
2
SINGLE PULSE
PEAK T = P
x Z
x R + T
J
DM
θJC
θJC C
0.01
-5
10
-4
10
-3
10
-2
10
-1
10
0
1
10
10
t, RECTANGULAR PULSE DURATION (s)
FIGURE 3. NORMALIZED MAXIMUM TRANSIENT THERMAL IMPEDANCE
600
100
o
T
= 25 C
C
FOR TEMPERATURES
o
ABOVE 25 C DERATE PEAK
CURRENT AS FOLLOWS:
V
= 10V
GS
175 - T
150
C
I = I
25
V
= 5V
GS
TRANSCONDUCTANCE
MAY LIMIT CURRENT
IN THIS REGION
10
-5
-4
10
-3
10
-2
10
-1
10
0
1
10
10
10
t, PULSE WIDTH (s)
FIGURE 4. PEAK CURRENT CAPABILITY
©2001 Fairchild Semiconductor Corporation
HUFA76429D3, HUFA76429D3S Rev. B
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
