Ah287, Electrical characteristics, Magnetic characteristics – Diodes AH287 User Manual
Page 5
AH287
HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
AH287 Rev. 10
5 of 11
APRIL 2010
DS31042
©
Diodes Incorporated
Electrical Characteristics
(T
A
= 25
°C, Vdd
=24V, unless otherwise specified)
Symbol
Characteristics
Conditions
Min
Typ.
Max
Unit
Idd Supply
Current
Operating
-
2.0
4.0
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
mV
R
DS(ON)
Output On Resistance
I
O
=200mA -
2.25
3.5
ohm
Vz
Output Zener-Breakdown Voltage
42
55
65
V
Truth Table
IN-
IN+
CT
OUT1
OUT2
Mode
H L L H L
Rotating
L H L L H
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.