AH284-P データシートの表示（PDF） - Diodes Incorporated.

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AH284-P

HALL-EFFECT SMART FAN MOTOR CONTROLLER

Diodes Incorporated. 

AH284

HALL-EFFECT SMART FAN MOTOR CONTROLLER

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

• Lead Free Finish/RoHS Compliant for Lead Free

products (Note 1)

• Lead Free Packages: SIP-4L and 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.

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

AH284 - X X X

Package

P: SIP-4L

Y: SOT89-5L

Lead

L : Lead Free

Packing

-B : Bulk

-7/-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

Package Packaging

Code (Note 2)

Tube/Bulk

Quantity

Part Number

Suffix

AH284-P

P

SIP-4L

1000

-B

Lead-free

AH284-Y

Y

SOT89-5

NA

NA

Lead-free

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.

AH284 Rev. 3

1 of 9

www.diodes.com

JANUARY 2007

© Diodes Incorporated

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