AO4948 データシートの表示（PDF） - Alpha and Omega Semiconductor
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AO4948 Datasheet PDF : 8 Pages
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AO4948
FET1: TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
10
VDS=15V
ID=8.8A
8
6
4
2
2000
1500
Ciss
1000
Coss
500
0
0
5
10
15
20
25
Qg (nC)
Figure 7: Gate-Charge Characteristics
0 Crss
0
5
10 VDS (V1o5lts) 20
25
30
Figure 8: Capacitance Characteristics
100.0
10.0
RDS(ON)
limited
10µs
100µs
1.0
1ms
10ms
0.1
TJ(Max)=150°C
DC
10s
TA=25°C
0.0
0.01
0.1
1
10
100
VDS (Volts)
Figure 9: Maximum Forward Biased
Safe Operating Area (Note F)
1000
100
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 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
0.001
Single Pulse
PD
Ton
T
0.00001
0.0001
0.001
0.01
0.1
1
10
100
1000
Pulse Width (s)
Figure 11: Normalized Maximum Transient Thermal Impedance (Note F)
Rev 3: Dec 2010
www.aosmd.com
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