IRF646 データシートの表示（PDF） - Intersil
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IRF646 Datasheet PDF : 7 Pages
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IRF646
Typical Performance Curves Unless Otherwise Specified (Continued)
1.25
ID = 250µA
1.15
1.05
0.95
0.85
0.75
-60 -40 -20 0 20 40 60 80 100 120 140 160
TJ, JUNCTION TEMPERATURE (oC)
FIGURE 10. NORMALIZED DRAIN TO SOURCE BREAKDOWN
VOLTAGE vs JUNCTION TEMPERATURE
3000
VGS = 0V, f = 1MHz
2400
CISS = CGS + CGD
CRSS = CGD
COSS ≈ CDS + CGD
1800
1200
CISS
600
0
0
COSS
CRSS
10
100
VDS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 11. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
15
PULSE DURATION = 80µs
DUTY CYCLE = 0.5% MAX
VDS ≥ 50V
12
9
6
25oC
150oC
3
0
0
5
10
15
20
25
ID, DRAIN CURRENT (A)
FIGURE 12. TRANSCONDUCTANCE vs DRAIN CURRENT
100
PULSE DURATION = 80µs
DUTY CYCLE = 0.5% MAX
10
150oC
1
25oC
0.1
0
0.4
0.8
1.2
1.6
2.0
VSD, SOURCE TO DRAIN VOLTAGE (V)
FIGURE 13. SOURCE TO DRAIN DIODE FORWARD VOLTAGE
20
ID = 14A
16
12
8
VDS = 125V
VDS = 50V
VDS = 200V
4
0
0
12
24
36
48
60
Qg, GATE CHARGE (nC)
FIGURE 14. GATE TO SOURCE VOLTAGE vs GATE CHARGE
4-218
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