Data Sheet
Two Phase Dual-coil High Voltage Smart Fan Motor Driver with FG/RD
AH9281/82
Typical Performance Characteristics
6.0
5.5
5.0
6.0
5.5
5.0
Supply Current (mA)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
4
8
12
16
20
24
Supply Current (mA)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
T
A
=25 C
o
1.0
0.5
0.0
-40
-20
0
20
40
60
o
T
A
=25 C
V
CC
=12V
80
100
120
o
Supply Voltage (V)
Ambient Temperature ( C)
Figure 7. Supply Current vs. Supply Voltage
Figure 8. Supply Current vs. Ambient Temperature
100
o
50
40
75
T
A
=25 C
B
OP
/B
RP
/B
HYS
(Gauss)
30
20
10
0
-10
-20
-30
-40
-50
-40
B
OP
/B
RP
/B
HYS
(Gauss)
50
25
B
OP
B
RP
B
HYS
0
-25
B
OP
-50
B
RP
B
HYS
V
CC
=12V
-75
4
8
12
16
20
24
-20
0
20
40
60
o
80
100
120
Supply Voltage (V)
Ambient Temperature ( C)
Figure 9. B
OP
/B
RP
/B
HYS
vs. Supply Voltage
Figure 10. B
OP
/B
RP
/B
HYS
vs. Ambient Temperature
Nov. 2010
Rev. 1. 2
8
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
