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PDF AH289 Data sheet ( Hoja de datos )
| Número de pieza | AH289 | |
| Descripción | High Voltage Hall-Effect Smart Fan Motor Controller | |
| Fabricantes | Anachip | |
| Logotipo |  |
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High Voltage Hall-Effect Smart Fan Motor Controller
AH289
Features
- On chip Hall sensor
- Rotor-locked shutdown
- Automatically restart
- Rotor-state detection (RD) output
- Built-in Zener protection for output driver
- Operating voltage: 3.8V~28V
- Output current: IO(AVE) = 400mA
- Package: SIP-5L, SOT89-5L
Pin Configuration
289 ( Front View )
1 : RD
2 : VCC
3 : DO
4 : DOB
5 : GND
123 45
SIP-5L
General Description
AH289 is a monolithic fan motor controller with Hall
sensor’s capability. It contains two complementary
open-drain transistors for motor’s coil driving,
automatic lock current shutdown, and recovery
protections. In addition, rotor-state detection (RD)
output is for Rotor-state detection.
To avoid coil burning, rotor-lock shutdown detection
circuit shut down the output driver if the rotor is
blocked and then the automatic recovery circuit will
try to restart the motor. This function repeats while
the rotor is blocked. Until the blocking is removed,
the motor recovers running normally.
Pin Descriptions
Symbol
RD
VCC
DO
DOB
GND
Description
Rotor-state detection
Input power
Output pin
Output pin
Ground
VCC 1
GND 2
289
5 RD
DO 3
74 DOB
SOT89-5L
Ordering Information
AH289 X - X X X
Wafer Body
Blank or
A~Z : if necessary
to specify
Package
P: SIP-5L
Y: SOT89-5L
Lead
L : Lead Free
Blank: Normal
Packing
Blank : Tube or Bulk
A : Tape & Reel
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 0.1 Jan 17, 2005
1/7
1 page  
High Voltage Hall-Effect Smart Fan Motor Controller
AH289
Performance Characteristics (SOT89-5)
Ta (°C)
Pd (mW)
Ta (°C)
Pd (mW)
25 50 60 70 75 80 85 90 95 100
800 640 576 512 480 448 416 384 352 320
105 110 115 120 125 130 135 140 145 150
288 256 224 192 160 128 96 64 32
0
P d (m W )
900
800
700
600
500
400
300
200
100
0
0
P o w e r D is s ip a tio n C u rv e
25 50 75 100
Marking Information
125
150
T a (。 C )
(1)SIP-5L
(2)SOT89-5L
Part Number
( Top View )
289
X XX X X
Blank : normal
L : Lead Free Package
ID Code
Nth week: 01~52
Year: "1" = 2001
"2" = 2002
54
289 Y M X
1 23
ID code
A~Z : Non-Lead Free
a~z : Lead Free
M : Month: A~L
Y : Year: 0-9
Anachip Corp.
www.anachip.com.tw
Rev 0.1 Jan 17, 2005
5/7
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AH289.PDF ] | |
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