AH291-PL-13(2007) Ver la hoja de datos (PDF) - Diodes Incorporated.
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AH291-PL-13 Datasheet PDF : 9 Pages
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AH291
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
Absolute Maximum Ratings ( TA = 25°C )
Characteristics
Operating Supply Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Maximum Junction Temperature
Symbol
Vdd
IO(AVE)
IO(PEAK)
PD
SIP-4L
SOT89-5L
Topr
Tstg
Tj
Rating
8
400
700
550
800
-20 ~ 100
-55 ~ 150
150
Unit
V
mA
mW
°C
°C
°C
Electrical Characteristics ( TA = 25 °C, Vdd = 5V, unless otherwise specified )
Characteristics
Symbol
Supply Voltage
Supply Current
Lock Protection On
Lock Protection Off
Vdd
Idd
Tlrp-on
Tlrp-off
Output Saturation Voltage
Output On Resistance
Output Zener-Breakdown Voltage
VOUT (SAT )
Rds(on)
Vz
Conditions
Operating
Operating
IO = 180mA
IO = 350mA
Min.
1.8*
-
-
2.4
-
-
-
-
Typ.
-
2.6
0.4
3
300
600
1.75
15
Max. Unit
5.75 V
4.0 mA
- Sec
3.6 Sec
-
mV
-
- ohm
-
V
*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.
Truth Table
IN-
IN+
H
L
L
H
-
-
CT
OUT1 OUT2
Mode
L
H
L
Rotating
L
L
H
Rotating
H
off
off
Lockup protection activated
AH291 Rev. 3
4 of 10
www.diodes.com
JANUARY 2007
© Diodes Incorporated
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