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