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参数资料
| 型号： | LB1817W |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.5 A, PQFP48 |
| 封装： | SQFP-48 |
| 文件页数： | 4/9页 |
| 文件大小： | 224K |
| 代理商： | LB1817W |
LB1817W
No. 5805-4/9
Pin number
1,
5
12, 13
14, 19
24, 25
31, 36
37, 47
48
2
3
4
6
7
8
Pin name
NC
VREF1
VREF2
I/D
SG
MS3
MS2
Equivalent circuit
Pin Descriptions
Pin function
Pins not used
VREF1 pin.
Used as power supply for external CR
serving for index timing adjustment.
VREF2 pin.
Used as bias pin for external index
sensor.
Index pulse output pin.
Signal ground pin.
Connect to ground together with pin 21.
FG switching pin.
High: FG set to through
Low: FG set to 1-stage division
CLK switching pin.
High: Clock set to through
Low: Clock set to 1-stage division
Pin voltage
2.5V typ
2.15V typ
H: 2.0V min
L: 0.8V max
H: 2.0V min
L: 0.8V max
100
VCC
2
VCC
4
VCC
50k
7
Continued on next page
VCC
3
VCC
50k
8
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