AO4418
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
1200
10
8
VDS=15V
ID=11.5A
1000
800
600
400
200
0
Ciss
6
4
Coss
2
Crss
0
0
4
8
12
16
20
0
5
10
15
DS (Volts)
20
25
30
Qg (nC)
Figure 7: Gate-Charge Characteristics
V
Figure 8: Capacitance Characteristics
100.0
10.0
1.0
50
TJ(Max)=150°C
TA=25°C
RDS(ON)
limited
40
30
20
10
0
10µs
100µs
1ms
TJ(Max)=150°C
TA=25°C
0.1s 10ms
DC
10s
1s
0.1
0.001
0.01
0.1
1
10
100
1000
0.1
1
10
100
Pulse Width (s)
VDS (Volts)
Figure 10: Single Pulse Power Rating Junction-to-
Ambient (Note E)
Figure 9: Maximum Forward Biased Safe
Operating Area (Note E)
10
1
D=Ton/T
J,PK=TA+PDM.ZθJA.RθJA
RθJA=40°C/W
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
T
PD
0.1
Ton
T
Single Pulse
0.001
0.01
0.00001
0.0001
0.01
0.1
1
10
100
1000
Pulse Width (s)
Figure 11: Normalized Maximum Transient Thermal Impedance
Alpha & Omega Semiconductor, Ltd.
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