AO4914 데이터 시트보기 (PDF) - Alpha and Omega Semiconductor
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AO4914
Alpha and Omega Semiconductor
AO4914 Datasheet PDF : 8 Pages
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AO4914, AO4914L
Q1 TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
10
8
6
4
2
0
0
VDS=15V
ID=8.5A
4
8
12
16
20
Qg (nC)
Figure 7: Gate-Charge Characteristics
1500
1250
Ciss
1000
750
500
Coss FET+SCHOTTKY
250
Crss
0
0
5
10
15
20
25
30
VDS (Volts)
Figure 8: Capacitance Characteristics
100.0
50
RDS(ON)
limited
40
10.0
1ms 100µs 10µs
10ms
30
TJ(Max)=150°C
TA=25°C
0.1s
20
1.0
1s
TJ(Max)=150°C
TA=25°C
10s
10
DC
0.1
0
0.1
1
10
100
0.001 0.01
0.1
1
10
100 1000
VDS (Volts)
Pulse Width (s)
Figure 9: Maximum Forward Biased Safe
Operating Area (Note E)
Figure 10: Single Pulse Power Rating Junction-to-
Ambient (Note E)
40
10
D=Ton/T
TJ,PK=TA+PDM.ZθJA.RθJA
RθJA=62.5°C/W
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
1
0.1
Single Pulse
PD
Ton
T
0.01
0.00001
0.0001
0.001
0.01
0.1
1
10
100
1000
Pulse Width (s)
Figure 11: Normalized Maximum Transient Thermal Impedance
Alpha & Omega Semiconductor, Ltd.
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