AH287(2007) 查看數據表（PDF） - Diodes Incorporated.
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AH287 Datasheet PDF : 10 Pages
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Pin Assignment
Front View
287
1 : Vdd
2 : DO
3 : DOB
4 : GND
12 3 4
SIP-4L
AH287
HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
Pin Descriptions
Name
Vdd
DO
DOB
GND
NC
Description
Input power
Output pin
Output pin
Ground
Not connected
Vdd 1
GND 2
287
5 NC
DO 3
74 DOB
SOT89-5L
Block Diagram (SIP-4L)
Vdd
1
Regulator
Hall
Plate
Amp.
Lock shutdown
and
Automatic recovery
Control Logic
2 DO
3 DOB
4
GND
AH287 Rev. 4
2 of 10
www.diodes.com
JANUARY 2007
© Diodes Incorporated
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