AO7800
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
10
8
4V
I
D
(A)
I
D
(A)
6
4
2
0
0
1
2
3
4
5
V
DS
(Volts)
Fig 1: On-Region Characteristics
480
440
400
R
DS(ON)
(m
Ω
)
360
320
280
240
200
160
0
1
2
3
4
0.8
0
25
50
75
100
125
150
175
Temperature (°C)
Figure 4: On-Resistance vs. Junction Temperature
I
D
(A)
Figure 3: On-Resistance vs. Drain Current and Gate
Voltage
V
GS
=2.5V
Normalized On-Resistance
V
GS
=1.8V
1.8
V
GS
=1.8V
1.6
1.4
1.2
1
V
GS
=4.5V
I
D
=0.9A
V
GS
=2.5V
I
D
=0.75A
I
0 7A
3.5V
3V
2.5V
V
GS
=2V
1
10V
8V
4
5V
3
V
DS
=5V
25°C
125°C
2
0
0
0.5
1
1.5
2
2.5
3
V
GS
(Volts)
Figure 2: Transfer Characteristics
V
GS
=4.5V
500
460
420
R
DS(ON)
(m
Ω
)
380
I
S
(A)
340
300
260
220
180
140
1
2
3
4
5
6
7
8
V
GS
(Volts)
Figure 5: On-Resistance vs. Gate-Source Voltage
25°C
125°C
I
D
=0.9A
1E+01
1E+00
125°C
1E-01
1E-02
25°C
1E-03
1E-04
1E-05
0.0
0.4
0.8
1.2
1.6
2.0
V
SD
(Volts)
Figure 6: Body-Diode Characteristics
Alpha & Omega Semiconductor, Ltd.
AOSMD [ ALPHA & OMEGA SEMICONDUCTORS ]
