AH287(2007) データシートの表示（PDF） - Diodes Incorporated.
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AH287 Datasheet PDF : 10 Pages
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Features
AH287
HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
General Description
• On chip Hall sensor
• Rotor-locked shutdown
• Automatically restart
• Built-in Zener protection for output driver
• Operating voltage: 3.8V~28V
• Output current: IO(AVE) = 400mA
• Lead Free Finish/RoHS Compliant for Lead Free
products (Note 1)
• Lead Free Packages: SIP-4L and SOT89-5L
AH287 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.
Rotor-lock shutdown detection circuit turns off the output driver
when the rotor is blocked to avoid coil overheat. Then, the
automatic recovery circuit will restart the motor. These protected
actions are repeated and periodic during the blocked period. Until
the blocking is removed, the motor recovers and runs normally.
Ordering Information
AH287 - X X X
Package
P: SIP-4L
Y: SOT89-5L
Lead-Free
L : Lead Free
Packing
-B : Bulk
-13 : Taping
Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Device
AH287-P
Lead-free
AH287-Y
Lead-free
Package
Code
P
Y
Packaging
(Note 2)
SIP-4L
SOT89-5L
Tube/Bulk
Quantity Part Number Suffix
1000
-B
NA
NA
7” Tape and Reel
Quantity
Part Number Suffix
NA
NA
2500/Tape & Reel
-13
Note: 2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
AH287 Rev. 4
1 of 10
www.diodes.com
JANUARY 2007
© Diodes Incorporated
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