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AH287K-Y Datasheet(PDF) 3 Page - Anachip Corp

Part # AH287K-Y
Description  High Voltage Hall-Effect Smart Fan Motor Controller
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Manufacturer  ANACHIP [Anachip Corp]
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AH287
High Voltage Hall-Effect Smart Fan Motor Controller
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Jan 17, 2005
3/7
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
Supply Voltage
VCC
30
V
IO(AVE)
SIP4/SOT89-5
400
Output Current
IO(PEAK)
700
mA
SIP4
550
Power Dissipation
PD
SOT89-5
800
mW
Operating Temperature
Topr
-40 ~ 100
°C
Storage Temperature
Tstg
-55 ~ 150
°C
Maximum Junction Temp.
Tj
150
°C
SIP4
227
°C/W
Thermal Resistance
θjc
SOT89-5
156
°C/W
Electrical Characteristics (Ta = 25 °C, V
CC =24V, unless otherwise specified)
Characteristics
Symbol
Conditions
Min.
Typ.
Max.
Unit
Supply Voltage
Vcc
Operating
3.8
-
28*
V
Supply current
Icc
Operating
-
2.0
4.0
mA
Output Leakage Current
Ioff
VOUT=24V
-
< 0.1
10
µA
Locked Protection On
Tlrp-on
0.4
0.46
0.6
Sec
Locked Protection Off
Tlrp-off
2.4
2.76
3.6
Sec
IO=200mA
-
450
700
Output saturation voltage
)
sat
(
OUT
V
IO=300mA
-
680
800
mV
Output On resistance
Rds(on)
IO=200mA
-
2.25
3.5
ohm
Output Zener-breakdown Voltage
Vz
42
55
65
V
*Note: Please watch out the current limit issue when the operation voltage is over 26.4V, because of the different efficiency in the coil.
Magnetic Characteristics (Ta = 25 °C, V
CC = 24V, unless otherwise specified)
(1mT=10 Gauss)
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Operate Point
Bop
10
30
60
Gauss
Release Point
Brp
-60
-30
-10
Gauss
Hysteresis
Bhy
--
60
--
Gauss


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