AO3438 Просмотр технического описания (PDF) - Alpha and Omega Semiconductor
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AO3438 Datasheet PDF : 4 Pages
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AO3438
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
5
VDS=10V
ID=3A
4
3
2
1
400
300
200
100
Coss
Ciss
Crss
0
0 0.5 1 1.5 2 2.5 3 3.5
Qg (nC)
Figure 7: Gate-Charge Characteristics
0
0
5
10
15
20
VDS (Volts)
Figure 8: Capacitance Characteristics
100.00
10.00
TJ(Max)=150°C
TA=25°C
1.00
0.10
RDS(ON)
limited
10µs
100µ
1m
10ms
0.1s
1s
DC
0.01
0.1
1
10
100
VDS (Volts)
Figure 9: Maximum Forward Biased Safe
Operating Area (Note E)
1000
100
TJ(Max)=150°C
TA=25°C
10
1
0.00001
0.001
0.1
10
1000
Pulse Width (s)
Figure 10: Single Pulse Power Rating Junction-to-
Ambient (Note E)
10
D=Ton/T
In descending order
1
TJ,PK=TA+PDM.ZθJA.RθJA
RθJA=90°C/W
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
12
0.1
0.01
0.001
0.00001
Single Pulse
PD
Ton
T
0.0001
0.001
0.01
0.1
1
10
100
Pulse Width (s)
Figure 11: Normalized Maximum Transient Thermal Impedance (Note E)
1000
Alpha & Omega Semiconductor, Ltd.
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