AH288-P DIODES [Diodes Incorporated], AH288-P Datasheet - Page 4

• Manufacturer Part Number: AH288-P
• Description: HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR CONTROLLER
• Manufacturer: DIODES [Diodes Incorporated]

Electrical Characteristics
Magnetic Characteristics
AH288 Rev. 4
*Note:
Operate Point
Release Point
Hysteresis
Supply Voltage
Supply current
Output Leakage Current
Locked Protection On
Locked Protection Off
Output saturation voltage
Output On resistance
FG output Vds
Output Zener-breakdown Voltage
Truth Table
Please watch out the current limit issue when the operation voltage is over 26.4V, because of the different efficiency in the coil.
IN-
H
L
-
Characteristics
Characteristics
IN+
H
L
-
CT
H
L
L
( T
( T
OUT1
HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR
A
A
Symbol
off
Symbol
V
= 25 °C, Vdd = 24V, unless otherwise specified )
H
= 25 °C, V
L
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R
Bop
Bhy
Brp
T
T
OUT
ds(on)
V
lrp-on
lrp-off
V
V
I
I
off
cc
dd
ol
z
(
sat
4 of 10
)
OUT2
CC
off
H
L
= 24V, unless otherwise specified )
Min.
-60
10
-
Conditions
I
I
I
V
O
O
O
I
Operating
Operating
O
OUT
= 200mA
= 300mA
= 200mA
= 10mA
FG
H
= 24V
L
-
Typ.
-30
30
60
Lockup protection activated
Min.
3.8
0.4
2.4
42
-
-
-
-
-
-
Max.
Rotating
Rotating
-10
60
Mode
-
< 0.1
Typ.
0.46
2.76
2.25
450
680
0.3
55
2
-
( 1Mt = 10 Gauss )
CONTROLLER
©
JANUARY 2007
Max.
700
800
Diodes Incorporated
28*
0.6
3.6
3.5
0.5
10
65
AH288
4
Gauss
Gauss
Gauss
Unit
Unit
ohm
Sec
Sec
mA
mV
µA
V
V
V