ao4478 Alpha & Omega Semiconductor, ao4478 Datasheet - Page 3

• Manufacturer Part Number: ao4478
• Description: 30v N-channel Mosfet
• Manufacturer: Alpha & Omega Semiconductor

AO4478
Alpha & Omega Semiconductor, Ltd.
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
40
35
30
25
20
15
10
70
60
50
40
30
20
10
70
60
50
40
30
20
10
5
0
0
2
0
Figure 3: On-Resistance vs. Drain Current and
Figure 1: On-Region Characteristics(Note E)
Figure 5: On-Resistance vs. Gate-Source
25°C
3
10V
5
1
4
Gate Voltage(Note E)
Voltage(Note E)
5
10
125°C
2
V
V
V
V
DS
GS
GS
GS
I
7V
D
=4.5V
=10V
(Volts)
(Volts)
(A)
6
V
GS
15
3
= 3V
7
4V
4.5V
2.5V
8
20
4
I
D
=9A
9
25
10
5
1E+01
1E+00
1E-01
1E-02
1E-03
1E-04
1E-05
30
25
20
15
10
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
5
0
0
0
0.0
V
DS
Figure 6: Body-Diode Characteristics(Note E)
Figure 2: Transfer Characteristics(Note E)
= 5V
25
Figure 4: On-Resistance vs. Junction
1
0.2
V
I
D
50
GS
=8A
125°C
Temperature(Note E)
=4.5V
Temperature (°C)
2
V
0.4
125°C
V
75
GS
SD
(Volts)
(Volts)
V
I
D
GS
=9A
100
3
=10V
25°C
0.6
25°C
125
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0.8
4
150
1.0
175
5