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参数资料
| 型号： | LB1896 |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.2 A, PQFP34 |
| 封装： | HQFP-34 |
| 文件页数： | 6/8页 |
| 文件大小： | 111K |
| 代理商： | LB1896 |
Continued from preceding page.
Pin No.
Pin Name
Pin Voltage
Equivalent Circuit Diagram
Pin Function
5FC
v Connect a capacitor between this pin and
GND to reduce the input/output gain
frequency response and to stop the
oscillator.
1
34
33
32
31
30
WIN2
WIN1
VIN2
VIN1
UIN2
UIN1
1.3 to 2.2 V
W-phase Hall device input pins.
Logic ‘‘H’’ represent WIN1 > WIN2
V-phase Hall device input pins.
Logic ‘‘H’’ represent VIN1 > VIN2
U-phase Hall device input pins.
Logic ‘‘H’’ represent UIN1 > UIN2
29
28
VH+
VH–
2.4 V
1.4 V
v Hall device power supply pins.
A voltage difference of 1.0 V is developed
between VH+ and VH–.
27
H.FG
0 to VCC2
v Hall FG pin.
v The Hall waveform is converted into a
pulse signal and then used as the FG
pulse signal.
26
CL
0 to VCC2
v When the Rf pin voltage becomes equal to
the CL pin voltage, the current limiter
operate. The CL voltage is determined
externally.
25
VCC1
5 to 18 V
v Power supply for output block.
v This supply should be kept stable to
prevent ripple and noise from entering this
pin.
LB1896
No.5225-6/8
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