AH291-P Ver la hoja de datos (PDF) - Diodes Incorporated.
Número de pieza
componentes Descripción
Fabricante
AH291-P Datasheet PDF : 10 Pages
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Block Diagram ( SIP-4L )
AH291
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
Vdd
1
Regulator
Hall
Plate
Amp.
Lock Shutdown
and
Automatic Recovery
Control Logic
2 DO
3 DOB
Typical Application Circuit
4
GND
1.8V/5.75V
Vdd
D1
D2
291
1234
GND
C3
DOB
DO
Notes: R1, R2: typical 56 O
C1, C2, C3: typical 2.2μF
The R, C value need to be fine tuned
based on coils design.
1.8V/5.75V Brush-Less DC Fan
AH291 Rev. 3
3 of 10
www.diodes.com
L2
L1
R1
R2
C1
C2
JANUARY 2007
© Diodes Incorporated
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