AO4418
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
50
45
40
35
I
D
(A)
30
25
20
15
10
5
0
0
1
2
3
4
5
V
DS
(Volts)
Fig 1: On-Region Characteristics
45
Normalized On-Resistance
40
35
R
DS(ON)
(m
Ω
)
30
25
20
15
10
5
0
5
10
15
V
GS
=10V
V
GS
=20V
20
25
30
V
GS
=4.5V
1.8
1.6
1.4
V
GS
=20V
1.2
1
0.8
0
25
50
75
100
125
150
175
Temperature (°C)
Figure 4: On-Resistance vs. Junction
Temperature
1.0E+01
1.0E+00
I
D
=10A
I
S
(A)
1.0E-01
125°C
1.0E-02
25°C
1.0E-03
25°C
1.0E-04
1.0E-05
0
5
10
15
20
0.0
0.2
0.4
0.6
0.8
1.0
V
SD
(Volts)
Figure 6: Body-Diode Characteristics
I
D
=10A
V
GS
=10V
V
GS
=3V
10V
6V
7V
5V
I
D
(A)
3.5V
30
25
20
15
125°C
10
5
0
2
2.5
3
3.5
4
4.5
5
5.5
V
GS
(Volts)
Figure 2: Transfer Characteristics
25°C
V
DS
=5V
I
D
(A)
Figure 3: On-Resistance vs. Drain Current and
Gate Voltage
60
50
40
30
125°C
20
10
0
V
GS
(Volts)
Figure 5: On-Resistance vs. Gate-Source Voltage
Alpha & Omega Semiconductor, Ltd.
R
DS(ON)
(m
Ω
)