AH293
Low Voltage Hall-Effect Smart Fan Motor Controller
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
Operating Supply Voltage
Vdd
8
V
IO(AVE)
IO(PEAK)
400
Output Current
mA
700
SIP5
550
Power Dissipation
PD
mW
SOT23-5
SOT89-5
230
800
Operating Temperature
Storage Temperature
Maximum Junction Temp.
Topr
Tstg
Tj
-20 ~ 100
°C
°C
°C
-55 ~ 150
150
Electrical Characteristics (Ta = 25 °C, Vdd = 5V, unless otherwise notice)
Characteristics
Supply Voltage
Supply current
Locked Protection On
Locked Protection Off
Symbol
Conditions
Min.
Typ. Max. Unit
Vdd
Idd
Tlrp-on
Tlrp-off
Operating
Operating
1.8*
-
-
-
5.75
V
2.6
0.4
3
4.0
-
3.6
mA
Sec
Sec
2.4
IO=180mA
IO=350mA
-
-
-
-
-
300
600
1.75
0.5
15
-
-
-
-
-
Output saturation voltage
VOUT(sat)
mV
Output On resistance
RD output Vds
Output Zener-breakdown Voltage
Rds(on)
Vol
ohm
V
V
IO=10mA
Vz
*Note: The output of IC will be switched after the supply voltage is over 1.8V, but the magnetic characteristics won't be normal until the
supply is over 2.0V.
Magnetic Characteristics (Ta = 25 °C, Vdd = 5V, unless otherwise specified)
(1mT=10 Gauss)
Characteristics
Operate Point
Release Point
Hysteresis
Symbol
Min.
Typ.
Max.
Unit
Bop
Brp
Bhy
--
-60
--
30
-30
60
60
--
--
Gauss
Gauss
Gauss
Anachip Corp.
www.anachip.com.tw
Rev 1.1 Oct 5, 2005
3/9
ICT [ InnoChips Technology ]
