ao3438 Alpha & Omega Semiconductor, ao3438 Datasheet - Page 3

• Manufacturer Part Number: ao3438
• Description: N-channel Enhancement Mode Field Effect Transistor
• Manufacturer: Alpha & Omega Semiconductor

AO3438
Alpha & Omega Semiconductor, Ltd.
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
120
100
16
12
80
60
40
8
4
0
120
100
80
60
40
0
0
0
4.5V
Figure 5: On-Resistance vs. Gate-Source Voltage
Figure 3: On-Resistance vs. Drain Current and
Figure 1: On-Region Characteristics
1
2.5V
3
2
25°C
Gate Voltage
2
V
DS
V
GS
I
V
D
(Volts)
6
GS
(A)
(Volts)
4
=1.8V
3
V
V
125°C
GS
GS
=2.5V
=4.5V
V
9
GS
6
4
=1.5V
2V
I
D
=3A
12
5
8
1E+01
1E+00
1E-01
1E-02
1E-03
1E-04
1E-05
1.6
1.4
1.2
0.8
16
12
1
8
4
0
-50
12
0
0.0
V
DS
-25
=5V
Figure 4: On-Resistance vs. Junction
Figure 6: Body-Diode Characteristics
0.2
Figure 2: Transfer Characteristics
125°C
0.5
0
125°C
25
0.4
Temperature (°C)
V
I
D
Temperature
GS
=2.8A
1
V
V
=2.5V
50
GS
SD
25°C
(Volts)
0.6
(Volts)
V
I
D
75
GS
25°C
=2A
1.5
=1.8V
100 125 150 175
0.8
V
I
D
2
GS
1.0
=3A
=4.5V
1.2
2.5