AH286 Ver la hoja de datos (PDF) - Diodes Incorporated.
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AH286 Datasheet PDF : 9 Pages
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AH286
HALL-EFFECT SMART FAN MOTOR CONTROLLER
Electrical Characteristics (TA = 25 °C, Vdd = 12V, unless otherwise specified)
Symbol
Idd
IOFF
TRLP-ON
TRLP-OFF
VOUT(SAT)
RDS(ON)
VOL
Vz
Characteristics
Supply Current
Output Leakage Current
Rotor Lock Protection On Time
Rotor Lock Protection Off Time
Output Saturation Voltage
Output On Resistance
RD Output Vds
Output Zener-Breakdown Voltage
Conditions
Operating
VOUT = 24V
IO = 300mA
IO = 500mA
IO = 300mA
IO = 10mA
Min Typ. Max Unit
-
2.0
4.0
mA
-
< 0.1 10
μA
0.4
0.5
0.6
Sec
2.4
3
3.6
Sec
-
375 500
mV
-
625 900
-
1.25 1.67 ohm
-
0.5
-
V
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.
AH286
Document number: DS31030 Rev. 12 - 2
4 of 9
www.diodes.com
June 2010
© Diodes Incorporated
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