NCV8440, NCV8440A
TYPICAL PERFORMANCE CURVES
3000
2500
V DD = 40 V
V DD = 15 V
t d(off)
10,000
V DD = 40 V
V DD = 15 V
t d(off)
2000
I D = 2.6 A
R G = 0 W
1500
t f
1000
t f
t r
1000
500
t r
t d(on)
t d(on)
0
4
5
6
7
8
9
10
100
1
10
100
1000
10,000
V GS (V)
Figure 13. Resistive Load Switching Time vs.
Gate ? Source Voltage
R G ( W )
Figure 14. Resistive Load Switching Time vs.
Gate Resistance (V GS = 5 V, I D = 2.6 A)
10,000
V DD = 40 V
V DD = 15 V
110
100
t d(off)
90
1000
t f
t r
80
PCB Cu thickness, 1.0 oz
70
t d(on)
60
PCB Cu thickness, 2.0 oz
100
1
10
100
1000
10,000
50
0
50
100 150 200 250 300 350 400 450 500
100
R G ( W )
Figure 15. Resistive Load Switching Time vs.
Gate Resistance (V GS = 10 V, I D = 2.6 A)
50% Duty Cycle
20%
COPPER HEAT SPREADER AREA (mm 2 )
Figure 16. R q JA vs. Copper Area
10
1
10%
5%
2%
1%
Single Pulse
0.1
0.000001
0.00001
0.0001
0.001
0.01
0.1
1
10
100
1000
PULSE TIME (sec)
Figure 17. Transient Thermal Resistance
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