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AH284 の電気的特性と機能

AH284のメーカーはETCです、この部品の機能は「Hall-Effect Smart Fan Motor Controller」です。


製品の詳細 ( Datasheet PDF )

部品番号 AH284
部品説明 Hall-Effect Smart Fan Motor Controller
メーカ ETC
ロゴ ETC ロゴ 




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AH284 Datasheet, AH284 PDF,ピン配置, 機能
Hall-Effect Smart Fan Motor Controller
AH284
„ Features
- On chip Hall sensor
- Rotor-locked shutdown
- Automatically restart
- Built-in Zener protection for output driver
- Operating voltage: 3.8V~20 V
- Output current: IO(AVE) = 500mA for SIP-4/SOT89-5
- Output current: IO(AVE) = 400mA for SOT23-5
- Package: SIP-4L, SOT23-5L, SOT89-5L
„ General Description
AH284 is a monolithic fan motor controller with Hall
sensor’s capability. It contains two complementary
open-drain drivers for motor’s coil driving, automatic
lock shutdown and restart function relatively.
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
rotor is blocked. Until the blocking is removed, the
motor recovers running normally.
„ Pin Assignment
„ Pin Descriptions
284 Front View
1 : VCC
2 : DO
VCC 1
GND 2
3 : DOB
4 : GND
12 3 4
SIP-4L
5 NC
VCC
5
DOB
4
284 284
DO 3
74 DOB
SOT89-5L
123
NC GND DO
SOT23-5
Name
VCC
DO
DOB
GND
NC
Description
Input power
Output pin
Output pin
Ground
Not connected
„ Ordering Information
AH284 X - X X X
Wafer Body
Blank or
A~Z : if necessary
to specify
Package
P: SIP-4L
W:SOT23-5L
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. 0.5 Jan 17, 2005
1/9

1 Page





AH284 pdf, ピン配列
Hall-Effect Smart Fan Motor Controller
AH284
„ Absolute Maximum Ratings (Ta = 25°C)
Characteristics
Supply Voltage
Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Maximum Junction Temp.
Thermal Resistance
IO(AVE)
PD
θjc
Symbol
VCC
SIP4/SOT89-5
SOT23-5
IO(PEAK)
SIP4
SOT23-5
SOT89-5
Topr
Tstg
Tj
SIP4
SOT23-5
SOT89-5
Rating
24
500
400
700
550
230
800
-40 ~ 100
-55 ~ 150
150
227
543
156
Unit
V
mA
mW
°C
°C
°C
°C/W
„ Electrical Characteristics (Ta = 25 °C, VCC =12V, unless otherwise specified)
Characteristics
Supply Voltage
Supply current
Output Leakage Current
Locked Protection On
Locked Protection Off
Output saturation voltage
Output On resistance
Output Zener-breakdown Voltage
Symbol
Vcc
Icc
Ioff
Tlrp-on
Tlrp-off
VOUT( sat )
Rds(on)
Vz
Conditions
Operating
Operating
VOUT=24V
IO=300mA
IO=500mA
IO=300mA
Min. Typ. Max. Unit
3.8 - 20 V
- 2.0 4.0 mA
- < 0.1 10 µA
0.4 0.5 0.6 Sec
2.4 3 3.6 Sec
-
-
375
625
500
900
mV
- 1.25 1.67 ohm
35 42 60 V
„ Magnetic Characteristics (Ta = 25 °C, VCC = 12V, unless otherwise specified)
Characteristics
Operate Point
Release Point
Hysteresis
(1mT=10 Gauss)
Symbol
Min.
Typ.
Max.
Unit
Bop 10 30
60 Gauss
Brp -60 -30 -10 Gauss
Bhy -- 60
-- Gauss
Anachip Corp.
www.anachip.com.tw
Rev 0.5 Jan 17, 2005
3/9


3Pages


AH284 電子部品, 半導体
Hall-Effect Smart Fan Motor Controller
„ Marking Information
(1)SIP-4L
Part Number
( Top View )
284
X XX X X
AH284
Blank : normal
L : Lead Free Package
ID Code
Nth week: 01~52
Year: "1" = 2001
"2" = 2002
(2)SOT23-5L
(Top View)
XX YM X
ID code
A~Z: Non-Lead Free
a~z: Lead Free
R4:AH284
Date code
Y : Year
M :Month(A~L)
(3)SOT89-5L
54
284 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 0.5 Jan 17, 2005
6/9

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
AH284

Hall-Effect Smart Fan Motor Controller

ETC
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AH284

HALL-EFFECT SMART FAN MOTOR CONTROLLER

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AH285

HALL-EFFECT SMART FAN MOTOR CONTROLLER

Diodes Incorporated
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AH285

Hall-Effect Smart Fan Motor Controller

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Anachip


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