AO3438 Datasheet, PDF (3/4 Pages) Alpha & Omega Semiconductors – N-Channel Enhancement Mode Field Effect Transistor

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