Typical Performance Curves
HUF75531SK8
1.2
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
TA, AMBIENT TEMPERATURE (oC)
FIGURE 1. NORMALIZED POWER DISSIPATION vs
CASE TEMPERATURE
8
VGS = 10V, RθJA = 50oC/W
6
4
2
0
25
50
75
100
125
150
TA, AMBIENT TEMPERATURE (oC)
FIGURE 2. MAXIMUM CONTINUOUS DRAIN CURRENT vs
CASE TEMPERATURE
3
DUTY CYCLE - DESCENDING ORDER
0.5
1 0.2
0.1
0.05
0.02
0.01
0.1
RθJA = 50oC/W
PDM
0.01
0.001
10-5
SINGLE PULSE
t1
t2
NOTES:
DUTY FACTOR: D = t1/t2
PEAK TJ = PDM x ZθJA x RθJA + TA
10-4
10-3
10-2
10-1
100
101
102
103
t, RECTANGULAR PULSE DURATION (s)
FIGURE 3. NORMALIZED MAXIMUM TRANSIENT THERMAL IMPEDANCE
500
100
VGS = 10V
RθJA = 50oC/W
10
TRANSCONDUCTANCE
MAY LIMIT CURRENT
IN THIS REGION
1
10-5
10-4
10-3
10-2
10-1
100
t, PULSE WIDTH (s)
FIGURE 4. PEAK CURRENT CAPABILITY
©2001 Fairchild Semiconductor Corporation
TA = 25oC
FOR TEMPERATURES
ABOVE 25oC DERATE PEAK
CURRENT AS FOLLOWS:
I = I25
150 - TA
125
101
102
103
HUF75531SK8 Rev. B