AO4940 データシートの表示（PDF） - Alpha and Omega Semiconductor
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AO4940
Alpha and Omega Semiconductor
AO4940 Datasheet PDF : 6 Pages
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AO4940
FET1: TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
10
VDS=15V
8
ID=9.1A
6
4
2
0
0
5
10
15
20
Qg (nC)
DYNAMIC PARFAigMurEeT7:EGRaSte-Charge Characteristics
1400
1200
Ciss
1000
800
600
400
Coss
200
Crss
0
0
5
10
15
20
25
30
VDS (Volts)
Figure 8: Capacitance Characteristics
1000.0
100.0
10.0
RDS(ON)
limited
1.0
TJ(Max)=150°C
0.1
TA=25°C
DC
10µs
100µ
1m
10ms
0.1s
1s
10s
0.0
0.01
0.1
1
10
100
VDS (Volts)
Figure 9: Maximum Forward Biased Safe
Operating Area (Note E)
10
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
1
100
80
TJ(Max)=150°C
TA=25°C
60
40
20
0
0.0001 0.001 0.01 0.1
1
10 100
Pulse Width (s)
Figure10: Single Pulse Power Rating Junction-to-
Ambient (Note E)
0.1
0.01
0.001
0.00001
Single Pulse
D=Ton/T
TJ,PK=TA+PDM.ZθJA.RθJA
RθJA=90°C/W
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.
www.aosmd.com
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