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AH286 Datasheet(PDF) 4 Page - Diodes Incorporated

Part # AH286
Description  HALL-EFFECT SMART FAN MOTOR CONTROLLER
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AH286 Datasheet(HTML) 4 Page - Diodes Incorporated

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AH286
HALL-EFFECT SMART FAN MOTOR CONTROLLER
AH286
Document number: DS31030 Rev. 12 - 2
4 of 9
www.diodes.com
June 2010
© Diodes Incorporated
Electrical Characteristics (TA = 25 °C, Vdd = 12V, unless otherwise specified)
Symbol
Characteristics
Conditions
Min
Typ.
Max
Unit
Idd
Supply Current
Operating
-
2.0
4.0
mA
IOFF
Output Leakage Current
VOUT = 24V
-
< 0.1
10
μA
TRLP-ON
Rotor Lock Protection On Time
0.4
0.5
0.6
Sec
TRLP-OFF
Rotor Lock Protection Off Time
2.4
3
3.6
Sec
VOUT(SAT)
Output Saturation Voltage
IO = 300mA
-
375
500
mV
IO = 500mA
-
625
900
RDS(ON)
Output On Resistance
IO = 300mA
-
1.25
1.67
ohm
VOL
RD Output Vds
IO = 10mA
-
0.5
-
V
Vz
Output Zener-Breakdown Voltage
35
42
60
V
Truth Table (Note 3)
IN-
IN+
CT
OUT1
OUT2
RD
Mode
H
L
L
H
L
L
Rotating
L
H
L
L
H
L
Rotating
-
-
H
off
off
H
Lockup protection activated
Notes:
3. Latch-type RD output is low during rotor rotation and high when the rotor is locked (not rotating)
Magnetic Characteristics (TA = 25 °C, Vdd = 12V, unless otherwise specified, Note 4)
(1mT = 10 Gauss)
Symbol
Characteristics
Min
Typ.
Max
Unit
Bop
Operate Point
10
30
60
Gauss
Brp
Release Point
-60
-30
-10
Gauss
Bhy
Hysteresis
-
60
-
Gauss
Notes:
4. The magnetic characteristics may vary with supply voltage, operating temperature and after soldering.


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