AO4450
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS: N-CHANNEL
30
25
20
15
10
5
20
15
10
5
10V
5.0V
VDS=5V
4.5V
4.0V
125°C
VGS=3.5V
25°C
0
0
0
1
2
3
4
5
2
2.5
3
3.5
4
4.5
V
DS (Volts)
VGS(Volts)
Fig 1: On-Region Characteristics
Figure 2: Transfer Characteristics
40
35
30
25
20
15
10
2
1.8
1.6
1.4
1.2
1
VGS=4.5V
VGS=10V
ID=6.6A
VGS=4.5V
ID=5.5A
VGS=10V
0.8
0
5
10
15
20
0
25
50
75
100
125
150
175
ID (A)
Temperature (°C)
Figure 3: On-Resistance vs. Drain Current and
Gate Voltage
Figure 4: On-Resistance vs. Junction
Temperature
80
1.0E+01
1.0E+00
1.0E-01
1.0E-02
1.0E-03
1.0E-04
1.0E-05
ID=6.6A
60
40
20
0
125°C
125°C
25°C
25°C
0.0
0.2
0.4
SD (Volts)
Figure 6: Body-Diode Characteristics
0.6
0.8
1.0
2
4
6
8
10
V
VGS (Volts)
Figure 5: On-Resistance vs. Gate-Source Voltage
Alpha & Omega Semiconductor, Ltd.