Ah288, Electrical characteristics, Magnetic characteristics – Diodes AH288 User Manual
Page 5

AH288
HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
AH288 Rev. 12
5 of 9
APRIL 2010
DS31040
©
Diodes Incorporated
Electrical Characteristics
(T
A
= 25
°C, Vdd
= 24V, unless otherwise specified)
Symbol
Parameter
Conditions
Min
Typ.
Max
Unit
I
CC
Supply
Current
Operating
-
2
4
mA
I
OFF
Output Leakage Current
V
OUT
= 24V
-
< 0.1
10
μA
T
LRP-ON
Locked Protection On
0.4
0.46
0.6
Sec
T
LRP-OFF
Locked Protection Off
2.4
2.76
3.6
Sec
V
OUT(SAT)
Output Saturation Voltage
I
O
= 200mA
-
450
700
mV
I
O
= 300mA
-
680
800
R
DS(ON)
Output On Resistance
I
O
= 200mA
-
2.25
3.5
ohm
V
OL
FG
Output
Vds
I
O
= 10mA
-
0.3
0.5
V
V
Z
Output
Zener-breakdown
Voltage
42
55
65
V
Truth Table
IN-
IN+
CT
OUT1
OUT2
FG
Mode
H L L H L H
Rotating
L H L L H L
Rotating
- - H
off
off - Lockup
protection
activated
Magnetic Characteristics
(T
A
= 25
°C, Vdd
= 24V, unless otherwise specified, Note 7)
(1mT=10 Gauss)
Symbol
Characteristics
Min
Typ.
Max
Unit
Bop Operate
Point
10
30
60
Gauss
Brp Release
Point
-60 -30 -10 Gauss
Bhy Hysteresis
-
60
-
Gauss
Notes: 7. Magnetic characteristics are for design information, which will vary with supply voltage, operating temperature and after soldering.