AO4818 查看數據表（PDF） - Alpha and Omega Semiconductor
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AO4818 Datasheet PDF : 4 Pages
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AO4818
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
250
0
Crss
0
5
10
15
20
25
30
VDS (Volts)
Figure 8: Capacitance Characteristics
100.0
RDS(ON)
limited
10.0
1ms
10ms
0.1s
100µs 10µs
1.0
TJ(Max)=150°C
TA=25°C
1s
10s
DC
0.1
0.1
1
10
100
VDS (Volts)
Figure 9: Maximum Forward Biased Safe
Operating Area (Note E)
50
TJ(Max)=150°C
40
TA=25°C
30
20
10
0
0.001 0.01 0.1
1
10
100 1000
Pulse Width (s)
Figure 10: Single Pulse Power Rating Junction-to-
Ambient (Note E)
10
D=Ton/T
TJ,PK=TA+PDM.ZθJA.RθJA
RθJA=62.5°C/W
1
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
THIS PRODUCT HAS BEEN DESIGNED AND QUALIFIED FOR THE CONSUMER MARKET. APPLICATIONS OR USES AS CRITICAL
COMPONEN0.T1S IN LIFE SUPPORT DEVICES OR SYSTEMS ARE NOT AUTHORIZED. AOS DPODES NOT ASSUME ANY LIABILITY ARISING
OUT OF SUCH APPLICATIONS OR USES OF ITS PRODUCTS. AOS RESERVES THE RIGHT TO IMPROVE PRODUCT DESIGN,
FUNCTIONS AND RELIABILITY WITHOUT NOTICE
Single Pulse
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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