AH291-P DIODES [Diodes Incorporated], AH291-P Datasheet - Page 4

• Manufacturer Part Number: AH291-P
• Description: LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR CONTROLLER
• Manufacturer: DIODES [Diodes Incorporated]

Absolute Maximum Ratings
Electrical Characteristics
AH291 Rev. 3
*Note:
Supply Voltage
Supply Current
Lock Protection On
Lock Protection Off
Output Saturation Voltage
Output On Resistance
Output Zener-Breakdown Voltage
Operating Supply Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Maximum Junction Temperature
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
Characteristics
Characteristics
IN-
H
L
-
IN+
H
L
-
CT
H
L
L
V
Symbol
( T
R
OUT
T
T
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
V
ds(on)
lrp-on
lrp-off
I
V
A
www.diodes.com
dd
( T
dd
z
(SAT
= 25 °C, V
OUT1
A
4 of 10
)
off
= 25°C )
H
P
L
D
dd
Symbol
I
I
O(PEAK)
O(AVE)
V
T
T
I
I
OUT2
= 5V, unless otherwise specified )
Conditions
Operating
Operating
O
O
Tj
opr
stg
dd
off
= 180mA
= 350mA
H
L
SOT89-5L
SIP-4L
Lockup protection activated
Min.
Rotating
Rotating
1.8*
2.4
Mode
-
-
-
-
-
-
-20 ~ 100
-55 ~ 150
Rating
400
700
550
800
150
8
Typ.
1.75
300
600
2.6
0.4
15
3
-
CONTROLLER
©
JANUARY 2007
Max.
5.75
Diodes Incorporated
4.0
3.6
AH291
-
-
-
-
-
Unit
mW
mA
°C
°C
°C
V
Unit
ohm
Sec
Sec
mA
mV
V
V