Diodes AH9279 - Manual (Page 7)

Data Sheet
TWO PHASE DUAL-COIL CMOS SMART FAN MOTOR DRIVER AH9279
Oct. 2011 Rev. 1. 3 BCD Semiconductor Manufacturing Limited
7
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
S
u
p
p
ly Current
(mA
)
Supply Voltage (V)
T
A
=25 O C
4 6 8 10 12 14 16 18
-50
0
50
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
-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
n
t
(mA)
Ambient Temperature ( o C)
T
A
=25 o C
V
CC
=12V
-20 0 20 40 60 80 100 120
200
300
400
500
600
700
800
900
S
a
tu
ra
ti
o
n
V
o
lt
ag
e (
m
V
)
Ambient Temperature ( O C)
V
CC
=12V
I
OUT
=350mA
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. Saturation Voltage vs. Ambient Temperature