AH284-P Ver la hoja de datos (PDF) - Diodes Incorporated.
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AH284-P Datasheet PDF : 9 Pages
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AH284
HALL-EFFECT SMART FAN MOTOR CONTROLLER
Electrical Characteristics (TA = 25 °C, Vdd =12V, unless otherwise specified)
Characteristics
Supply Voltage
Supply Current
Output Leakage Current
Locked Protection On
Locked Protection Off
Output Saturation Voltage
Output On Resistance
Output Zener-Breakdown Voltage
Truth Table
IN-
IN+
CT
H
L
L
L
H
L
-
-
H
Symbol
Vdd
Idd
Ioff
Tlrp-on
Tlrp-off
VOUT (SAT )
Rds(on)
Vz
Conditions
Operating
Operating
VOUT = 24V
IO = 300mA
IO = 500mA
IO = 300mA
Min. Typ. Max. Unit
3.8
-
20
V
-
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
35 42 60
V
OUT1
H
L
off
OUT2
L
H
off
Mode
Rotating
Rotating
Lockup protection activated
Magnetic Characteristics (TA = 25 °C, Vdd = 12V, unless otherwise specified)
Characteristics
Operation Point
Release Point
Hysteresis
Symbol
Bop
Brp
Bhy
Min.
10
-60
--
Typ.
30
-30
60
(1mT = 10 Gauss)
Max.
Unit
60
Gauss
-10
Gauss
--
Gauss
AH284 Rev. 3
4 of 9
www.diodes.com
JANUARY 2007
© Diodes Incorporated
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