ah293 Diodes, Inc., ah293 Datasheet - Page 4

• Manufacturer Part Number: ah293
• Description: Low Voltage Hall-effect Smart Fan Motor Controller
• Manufacturer: Diodes, Inc.

Absolute Maximum Ratings
Electrical Characteristics
AH293 Rev. 2
*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
Operating Supply Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Maximum Junction Temperature
Supply Voltage
Supply Current
Locked Protection On
Locked Protection Off
Output Saturation Voltage
Output On Resistance
RD Output Vds
Output Zener-Breakdown Voltage
Truth Table
Latch-type RD output is low during rotation and high during stop
over 2.0V.
IN-
H
L
-
Characteristics
Characteristics
IN+
H
L
-
CT
H
L
L
Symbol
V
Rds(on)
Tlrp-off
Tlrp-on
OUT1
( T
OUT
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
Vdd
Idd
Vol
Vz
off
H
L
www.diodes.com
A
(
( T
sat
= 25 °C, Vdd = 5V, unless otherwise specified )
)
A
P
= 25°C )
4 of 10
D
OUT2
off
H
L
Symbol
I
I
O (PEAK)
I
I
O (AVE)
Conditions
Topr
Vdd
Tstg
O
O
I
Operating
Operating
O
Tj
= 180mA
= 350mA
= 10mA
SOT89-5L
RD
off
L
L
SOT25
Lockup protection activated
Min.
1.8*
2.4
-
-
-
-
-
-
-
-20 ~ 100
-55 ~ 150
Rotating
Rotating
Rating
400
700
230
800
150
Mode
Typ.
1.75
8
300
600
2.6
0.4
0.5
15
3
-
CONTROLLER
©
JANUARY 2007
Max.
5.75
Diodes Incorporated
4.0
3.6
AH293
-
-
-
-
-
-
Unit
mW
mA
°C
°C
°C
V
Unit
ohm
Sec
Sec
mA
mV
V
V
V