AO3420 Datasheet, PDF (3/5 Pages) Alpha & Omega Semiconductors – N-Channel Enhancement Mode Field Effect Transistor

AO3420
20V N-Channel MOSFET
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
40
10V
30
3.5V
4.5V
2.5V
20
V_DS=5V
15
20
1.8V
10
V_GS=3.5V
0
0
1
2
3
4
5
V_DS (Volts)
Fig 1: On-Region Characteristics (Note E)
60
55
50
45
40
V_GS=1.8V
35
30
V_GS=2.5V
25
20
V_GS=4.5V
15
V_GS=10V
10
0
5
10
15
20
25
30
I_D (A)
Figure 3: On-Resistance vs. Drain Current and
Gate Voltage (Note E)
10
125°C
5
25°C
0
0
0.5
1
1.5
2
2.5
V_GS(Volts)
Figure 2: Transfer Characteristics (Note E)
1.8
V_GS=4.5V
1.6
V_GS=2.5V
I_D=5A
I_D=4A
1.4
17
V_GS=₅1.8V
1.2
I_D=2A₂
1
V_GS=10V¹⁰
I_D=6A
0.8
0
25 50 75 100 125 150 175
Temperature (°C)
0
Figure 4: On-Resistance vs. Junction Tem₁p₈erature
(Note E)
45
I_D=6A
40
35
30
125°C
25
20
25°C
15
0
2
4
6
8
10
V_GS (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
25°C
1.0E-03
1.0E-04
1.0E-05
0.0 0.2 0.4 0.6 0.8 1.0 1.2
V_SD (Volts)
Figure 6: Body-Diode Characteristics (Note E)
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