AO4449 データシートの表示（PDF） - Unspecified
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AO4449 Datasheet PDF : 4 Pages
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AO4449
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
10
1500
8
VDS=-15V
ID=-7A
6
4
2
0
0
4
8
12
16
20
-Qg (nC)
Figure 7: Gate-Charge Characteristics
1250
1000
750
500
250
0
0
Ciss
Coss
Crss
5
10
15
20
25
30
-VDS (Volts)
Figure 8: Capacitance Characteristics
100.0
10.0
1.0
0.1
RDS(ON)
limited
DC
TJ(Max)=150°C
TA=25°C
10µs
0.1ms
1ms
0.1s
10s
0.0
0.01
0.1
1
10
100
VDS (Volts)
Figure 9: Maximum Forward Biased
Safe Operating Area (Note E)
100
90
80
TJ(Max)=150°C
70
TA=25°C
60
50
40
30
20
10
0
0.0001 0.001 0.01 0.1
1
10
100
Pulse Width (s)
Figure 10: Single Pulse Power Rating Junction-to-
Ambient (Note E)
10
D=Ton/T
In descending order
TJ,PK=TA+PDM.ZθJA.RθJA
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
RθJA=40°C/W
1
0.1
Single Pulse
PD
Ton
T
0.01
0.00001
0.0001
0.001
0.01
0.1
1
Pulse Width (s)
10
100
Figure 11: Normalized Maximum Transient Thermal Impedance
1000
Alpha & Omega Semiconductor, Ltd.
www.aosmd.com
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