AH285 データシートの表示（PDF） - Anachip Corporation
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AH285 Datasheet PDF : 9 Pages
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Hall-Effect Smart Fan Motor Controller
Block Diagram (SIP5)
Vdd
2
Regulator
Lock shutdown
and
Automatic recovery
Hall
Plate
Amp.
Control Logic
AH285
3 DO
4 DOB
5
1
GND
FG
Typical Application Circuit (SIP5)
D2
Vdd
(12V)
FG
Rpu
D1
285
Coil2
1 2345
GND
C3
R1
Notes: R1, R2: typical 56Ω
C1, C2, C3: typical 2.2µF
C1
The R, C value need to be fine tuned
base on coils design.
12V DC Brush-less Fan with FG output function
Coil1
R2
C2
Anachip Corp.
www.anachip.com.tw
Rev 1.0 Sep 29, 2005
2/9
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