AO4821(2010) データシートの表示（PDF） - Alpha and Omega Semiconductor
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AO4821 Datasheet PDF : 5 Pages
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AO4821
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
4.5
4
VDS=-6V
ID=-9A
3.5
3
2.5
2
1.5
1
0.5
0
0
5
10
15
20
Qg (nC)
Figure 7: Gate-Charge Characteristics
2800
2400
2000
Ciss
1600
1200
800
Coss
400
Crss
0
0
2
4
6
8
10
12
-VDS (Volts)
Figure 8: Capacitance Characteristics
100.0
10.0
RDS(ON)
limited
1.0
10µs
100µ
1ms
10ms
10000
1000
100
TA=25°C
0.1
DC
10s
TJ(Max)=150°C
TA=25°C
0.0
0.01
0.1
1
10
100
-VDS (Volts)
Figure 9: Maximum Forward Biased Safe
Operating Area (Note F)
10
1
0.00001
0.001
0.1
10
1000
Pulse Width (s)
Figure 10: Single Pulse Power Rating Junction-to-
Ambient (Note F)
10
D=Ton/T
TJ,PK=TA+PDM.ZθJA.RθJA
1
RθJA=90°C/W
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
0.1
0.01
0.00001
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 F)
1000
Rev 4: Nov 2010
www.aosmd.com
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