Data Sheet
Two Phase Dual-coil High Voltage Smart Fan Motor Driver with FG/RD
AH9281/82
Electrical Characteristics
V
CC
=12V, T
A
=25
o
C, unless otherwise specified.
Parameter
Supply Voltage
Supply Current
Output Current
Output Leakage Current
Saturation Voltage
Output ON Time
Output OFF Time
FG/RD Output Low Voltage
FG/RD Output Leakage
Current
FG/RD Output Current Limit
Output Zener Break-down
Voltage
Symbol
V
CC
I
CC
I
OUT
I
LEAKAGE
V
SAT
t
ON
t
OFF
V
FGL
/V
RDL
I
FGLK
/I
RDLK
I
FGLIM
/ I
RDLIM
V
Z
Conditions
Operating
Average
Min
2.5
Typ
12
4
0.1
600
0.8
5
0.1
0.1
30
35
Max
16
6
500
10
1000
Unit
V
mA
mA
µA
mV
S
S
V
µA
mA
V
I
OUT
=350mA
I
FG
=5mA
V
FG
/V
RD
=12V
V
FG
/V
RD
=12V
0.2
10
Magnetic Characteristics
V
CC
=12V, T
A
=25
o
C, unless otherwise specified.
Parameter
Operating Point
Releasing Point
Hysteresis
Symbol
B
OP
B
RP
B
HYS
Min
0
-50
Typ
20
-20
40
Max
50
0
Unit
Gauss
Gauss
Gauss
Oct. 2011
Rev. 1. 4
6
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
