75831SK8 データシートの表示（PDF） - Intersil
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75831SK8 Datasheet PDF : 12 Pages
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HUF75831SK8
Typical Performance Curves
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
4
VGS = 10V, RθJA = 50oC/W
3
2
1
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
1
0.5
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
10
TRANSCONDUCTANCE
MAY LIMIT CURRENT
IN THIS REGION
1
10-5
10-4
RθJA = 50oC/W
10-3
10-2
10-1
100
t, PULSE WIDTH (s)
FIGURE 4. PEAK CURRENT CAPABILITY
3
TA = 25oC
FOR TEMPERATURES
ABOVE 25oC DERATE PEAK
CURRENT AS FOLLOWS:
I = I25
150 - TA
125
101
102
103
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