AH285-Y DIODES [Diodes Incorporated], AH285-Y Datasheet

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AH285-Y

Manufacturer Part Number
AH285-Y
Description
HALL-EFFECT SMART FAN MOTOR CONTROLLER
Manufacturer
DIODES [Diodes Incorporated]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AH285-YL-13
Quantity:
20
Features
Ordering Information
Note:
Note: 2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
AH285 Rev. 2
1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
On Chip Hall Sensor
Rotor-Locked Shutdown
Automatically Restart
Frequency Generator (FG) Output
Built-in Zener Protection for Output Driver
Operating Voltage: 3.8V~20V
Output Current: I
Lead Free Finish/RoHS Compliant for Lead Free
products (Note 1)
Package: SOT89-5L
http://www.diodes.com/datasheets/ap02001.pdf.
Lead-free
O(AVE)
= 500mA for SOT89-5
AH285-Y
Device
Package
Code
Y : SOT89-5L
Y
Package
HALL-EFFECT SMART FAN MOTOR CONTROLLER
www.diodes.com
Packaging
AH285 X X X
(Note 2)
SOT89-5
1 of 8
-
General Description
AH285 is a monolithic fan motor controller with Hall sensor’s
capability. It contains two complementary open-drain transistors
as motor coil drivers, automatic lock current shutdown, and
recovery protections. Additional, frequency generator (FG) output
is for speed detection 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.
L : Lead-Free
Lead-Free
Quantity
NA
Tube/Bulk
Number
-7/-13 : Taping
Suffix
Part
NA
-B : Bulk
Packing
2500/Tape & Reel
Quantity
7” Tape and Reel
©
JANUARY 2007
Diodes Incorporated
AH285
Part Number
Suffix
-7

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AH285-Y Summary of contents

Page 1

... Ordering Information Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7. Device AH285-Y Lead-free 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. AH285 Rev. 2 ...

Page 2

... Pin Assignment Pin Descriptions Block Diagram Vdd 2 Regulator Hall Plate AH285 Rev. 2 HALL-EFFECT SMART FAN MOTOR CONTROLLER Vdd 285 2 GND DOB SOT89-5L Symbol Description FG Frequency Generation Vdd Input Power DO Output Pin DOB Output Pin GND Ground Lock shutdown ...

Page 3

... Supply Voltage Output Current Power Dissipation Operating Temperature Storage Temperature Maximum Junction Temp. Thermal Resistance θ Note: should be confirmed with what heat sink thermal resistance heat sink contacting, JA AH285 Rev. 2 HALL-EFFECT SMART FAN MOTOR CONTROLLER 285 Ω ...

Page 4

... Output Zener-Breakdown Voltage Truth Table IN- IN Magnetic Characteristics Characteristics Operation Point Release Point Hysteresis AH285 Rev. 2 HALL-EFFECT SMART FAN MOTOR CONTROLLER (T = 25°C, Vdd =12V, unless otherwise specified) A Symbol Conditions V Operating dd I Operating =24V off OUT T ...

Page 5

... Operating Characteristics DOB Brp 0 Magnetic Flux Density in Gauss AH285 Rev. 2 HALL-EFFECT SMART FAN MOTOR CONTROLLER OFF OP Vsat Vsat Bop S Marking side N ( SOT89 www.diodes.com AH285 DO 12 OFF Brp 0 Bop Magnetic Flux Density in Gauss JANUARY 2007 © ...

Page 6

... P (mW AH285 Rev. 2 HALL-EFFECT SMART FAN MOTOR CONTROLLER (SOT89-5L 640 576 512 480 110 115 120 125 256 224 192 160 ...

Page 7

... Marking Information (1) SOT89- 285 Package Information (1) SOT89-5L AH285 Rev. 2 HALL-EFFECT SMART FAN MOTOR CONTROLLER Y : Year 0 Month A Internal code a~z : Lead Free Sensor Location www.diodes.com AH285 JANUARY 2007 © Diodes Incorporated ...

Page 8

... Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. AH285 Rev. 2 HALL-EFFECT SMART FAN MOTOR CONTROLLER IMPORTANT NOTICE ...

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