Diodes AH9281_82 - Manual (Page 8)

Data Sheet
Two Phase Dual-coil High Voltage Smart Fan Motor Driver with FG/RD AH9281/82
Oct. 2011 Rev. 1. 4 BCD Semiconductor Manufacturing Limited
8
2 4 6 8 10 12 14 16 18
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Sup
p
ly Cu
rre
nt
(mA)
Supply Voltage (V)
T
A
=25 o C
-40 -20 0 20 40 60 80 100 120
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Supp
ly Curre
nt
(mA)
Ambient Temperature ( o C)
T
A
=25 o C
V
CC
=12V
4 6 8 10 12 14 16 18
-75
-50
-25
0
25
50
75
100
T
A
=25 o C
B
OP
/B
RP
/B
HY
S
(G
a
u
ss)
Supply Voltage (V)
B
OP
B
RP
B
HYS
-40 -20 0 20 40 60 80 100 120
-50
-40
-30
-20
-10
0
10
20
30
40
50
B
OP
B
RP
B
HYS
B OP
/B
RP
/B
HY
S
(Gauss)
Ambient Temperature ( o C)
V
CC
=12V
Typical Performance Characteristics
Figure 7. Supply Current vs. Supply Voltage Figure 8. Supply Current vs. Ambient Temperature
Figure 9. B
OP
/B
RP
/B
HYS
vs. Supply Voltage Figure 10. B
OP
/B
RP
/B
HYS
vs. Ambient Temperature