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参数资料
| 型号： | LA5678H |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1 A, PDSO28 |
| 封装： | 0.375 INCH, HSOP-28 |
| 文件页数： | 8/9页 |
| 文件大小： | 282K |
| 代理商： | LA5678H |
LA5678H
No.7598-8/9
EN3.0A/3.4, EN3.0B, EN3.3, EN3.5, IN0 to IN3 Input Circuit
Resistance values are typical values.
Cautions for Use
(1) REG3.0A/REG3.0A/3.4
The output can be changed over to 3V with the SEL pin OPEN and to 3.4V with the SEL pin GND.
To connect the SEL pin to GND, connect with the shortest length to GND1 of IC.
(2) GND1 and GND2
When using, short-circuit GND1 and GND2 externally.
(3) Supply voltage when only the motor driver is used without using the regulator
As the reference power supply in IC is taken from VCC1, apply the voltage also to VCC1. In this case, the operation
condition of VCC1 ranges from 3.5 to 7.5V. (Refer to Operating Conditions, Supply Voltage 1)
(4) Supply voltage when only the regulator is used without using the motor driver
The regulator operates with VCC1 (without need of applying voltage to VCC2, VCC3, and VREF)
(5) VREF pin
Application of the voltage to VREF pin enables setting of each OUT High voltage. In this case, the input to VREF
ranges from 0.3 to (VCC3-1)V. (Refer to Operating Conditions, VREF Voltage)
VREF pin equivalent circuit
EN3.0A/3.4
EN3.0B
EN3.3
EN3.5
GND1
IN0
IN1
IN2
IN3
GND2
30k
30k
30k
30k
VREF
OUT
VCC2
VCC3
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