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AH291 Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers

Part # AH291
Description  Low Voltage Hall-Effect Smart Fan Motor Controller
PDF  9 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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AH291 Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers

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AH291
Low Voltage Hall-Effect Smart Fan Motor Controller
Anachip Corp.
www.anachip.com.tw
Rev 0.6 Jan 27, 2005
3/9
Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Symbol
Rating
Unit
Output Zener-breakdown Voltage
Vz
38
V
Operating Supply Voltage
VCC
8
V
IO(AVE)
400
Output Current
IO(PEAK)
700
mA
SIP4
550
SOT23-5
230
Power Dissipation
PD
SOT89-5
800
mW
Operating Temperature
Topr
-20 ~ 100
°C
Storage Temperature
Tstg
-55 ~ 150
°C
Maximum Junction Temp.
Tj
150
°C
Electrical Characteristics (Ta = 25 °C, V
CC = 5V, unless otherwise specified)
Characteristics
Symbol
Conditions
Min.
Typ.
Max.
Unit
Supply Voltage
Vcc
Operating
1.8
-
5.75
V
Supply current
cc
I
Operating
-
2.6
4.0
mA
Lock Protection On
Tlrp-on
-
0.4
-
Sec
Lock Protection Off
Tlrp-off
2.4
3
3.6
Sec
IO=180mA
-
300
-
Output saturation voltage
)
sat
(
OUT
V
IO=350mA
-
600
-
mV
Output On resistance
Rds(on)
-
1.75
-
ohm
Magnetic Characteristics (Ta = 25 °C, V
CC = 5V, unless otherwise specified)
(1mT=10 Gauss)
Characteristics
Symbol
Min.
Typ.
Max.
Unit
Operate Point
Bop
--
30
60
Gauss
Release Point
Brp
-60
-30
--
Gauss
Hysteresis
Bhy
--
60
--
Gauss



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