ah284 Diodes, Inc., ah284 Datasheet - Page 2

• Manufacturer Part Number: ah284
• Description: Hall-effect Smart Fan Motor Controller
• Manufacturer: Diodes, Inc.

Pin Assignment
Pin Descriptions
Block Diagram
AH284 Rev. 5
Name
GND
DOB
V
DO
NC
dd
Regulator
V
Input Power
Output Pin
Output Pin
Ground
Not Connected
1
dd
( Top View )
1 2
SIP-4L
284
Plate
Description
Hall
3
4
Amp.
1 : Vdd
2 : DO
3 : DOB
4 : GND
HALL-EFFECT SMART FAN MOTOR CONTROLLER
www.diodes.com
Automatic Recovery
GND
Lock Shutdown
4
2 of 9
Control Logic
and
GND
Vdd
DO
1
2
3
( Top View )
SOT89-5L
284
2
3
7 4
5
DOB
DO
DECEMBER 2007
©
NC
DOB
Diodes Incorporated
AH284