Diodes AH291 Manuel d'utilisateur télécharger pdf (Page 2)

AH291

LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR

CONTROLLER

AH291

Document number: DS31041 Rev. 8 - 2

2 of 9

www.diodes.com

June 2010

© Diodes Incorporated

Pin Descriptions

Pin Name Description

Vdd Input Power

DO Output Pin

DOB Output Pin

GND Ground

NC Not Connected

Functional Block Diagram

Hall

Plate

Control Logic

Regulator

Lock detect,

shutdown and

automatic re-start

Vdd

DOB

DO

Amp.

GND

1 2 3 4 5 6 7 8 9

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