Data Sheet
Two Phase Dual-coil High Voltage Smart Fan Motor Driver
Typical Performance Characteristics
AH9280
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
2
4
6
8
10
12
14
Supply Current (mA)
T
A
=25 C
16
18
o
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-40
-20
0
20
40
60
o
V
CC
=12V
80
100
120
Supply Voltage (V)
Ambient Temperature ( C)
Figure 7. Supply Current vs. Supply Voltage
Figure 8. Supply Current vs. Ambient Temperature
100
1000
T
A
=25 C
75
o
900
V
CC
=12V
I
OUT
=150mA
I
OUT
=350mA
B
OP
B
HYS
Saturation Voltage (mV)
B
OP
/B
RP
/B
HYS
(Gauss)
B
RP
50
800
700
600
500
400
300
25
0
-25
-50
200
100
-40
-75
4
6
8
10
12
14
16
18
-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. Saturation Voltage vs. Ambient Temperature
Oct. 2011
Rev. 1. 2
7
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
