AO4818(2011) 查看數據表（PDF） - Alpha and Omega Semiconductor
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AO4818 Datasheet PDF : 6 Pages
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AO4818
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
30
10V
4V
25
20
3.5V
30
VDS=5V
25
20
15
3V
10
5
VGS=2.5V
0
0
1
2
3
4
5
VDS (Volts)
Fig 1: On-Region Characteristics (Note E)
15
10
125°C
5
25°C
0
1
1.5
2
2.5
3
3.5
4
VGS(Volts)
Figure 2: Transfer Characteristics (Note E)
30
25
20
VGS=4.5V
15
VGS=10V
10
0
5
10
15
20
ID (A)
Figure 3: On-Resistance vs. Drain Current and Gate
Voltage (Note E)
1.6
VGS=10V
1.4
ID=8A
17
1.2
5
2
1
VGS=4.5V 10
ID=4A
0.8
0
25 50 75 100 125 150 175
Temperature (°C)
0
Figure 4: On-Resistance vs. Junction Tem18perature
(Note E)
40
ID=8A
35
30
125°C
25
20
25°C
15
10
2
4
6
8
10
VGS (Volts)
Figure 5: On-Resistance vs. Gate-Source Voltage
(Note E)
1.0E+02
1.0E+01
40
1.0E+00
1.0E-01
125°C
1.0E-02
1.0E-03
25°C
1.0E-04
1.0E-05
0.0 0.2 0.4 0.6 0.8 1.0 1.2
VSD (Volts)
Figure 6: Body-Diode Characteristics (Note E)
Rev 7: Feb. 2011
www.aosmd.com
Page 3 of 6
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