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參數(shù)資料
| 型號(hào)： | LT202A |
| 廠商： | Sharp Corporation |
| 英文描述： | GaAs Hall IC for Fan Motor |
| 中文描述： | 砷化鎵霍爾IC的風(fēng)扇電機(jī) |
| 文件頁(yè)數(shù)： | 2/3頁(yè) |
| 文件大小： | 30K |
| 代理商： | LT202A |
I
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
V
CC
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:+)
V
1
-V
2
=<0
V
1
-V
2
>15mV
V
1
-V
2
<-15mV
V
1
-V
2
>=0
OUT 6
OFF
OFF
OFF
ON
OUT 7
ON
OFF
OFF
OFF
Timing chart
Rotation detector/
automatic restart circuit
V
CC
=12V
I
O
=250mA
040
80
60
20
0
-20
Ambient temperature T
a
(C)
40
100
2.0
1.6
1.2
0.8
0.4
1.8
1.4
1.0
0.6
0.2
O
O
(
V
CC
=12V
T
a
=25C
00
200
100
300
2.0
1.6
1.2
0.8
0.4
1.8
1.4
1.0
0.6
0.2
O
O
(
Input current(Continuous) I
O
(mA)
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