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LT202A Datasheet(PDF) 2 Page - Sharp Corporation

Part # LT202A
Description  GaAs Hall IC for Fan Motor
PDF  3 Pages
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Manufacturer  SHARP [Sharp Corporation]
Direct Link  http://sharp-world.com/
Logo SHARP - Sharp Corporation

LT202A Datasheet(HTML) 2 Page - Sharp Corporation

  LT202A Datasheet HTML 1Page - Sharp Corporation LT202A Datasheet HTML 2Page - Sharp Corporation LT202A Datasheet HTML 3Page - Sharp Corporation  
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s Block Diagram and Timing Chart
Fig. 1
Output Saturation Voltage vs.
Ambient Temperature
Fig. 2
Output Saturation Voltage vs.
Input Current (Continuous)
Hall IC
LT202A
VCC
Motor
8
7
6
Constant voltage
5
4
3
GND Alarm output
Phase
detection coil
1
2
+
-
+
-
+
-
Magnetic pole
S (>10mT)
S (>10mT)
N(<-10mT)
N(<-10mT)
Coil input(1:+)
V1-V2=<0
V1-V2>15mV
V1-V2<-15mV
V1-V2>=0
OUT 6
OFF
OFF
OFF
ON
OUT 7
ON
OFF
OFF
OFF
Timing chart
Rotation detector/
automatic restart circuit
VCC=12V
IO=250mA
0
-40
80
60
20
0
-20
40
100
2.0
1.6
1.2
0.8
0.4
1.8
1.4
1.0
0.6
0.2
Ambient temperature Ta (˚C)
VCC=12V
Ta=25˚C
0
0
200
100
300
2.0
1.6
1.2
0.8
0.4
1.8
1.4
1.0
0.6
0.2
Input current(Continuous) IO (mA)



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