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LB1939T: Motor Driver, Constant Voltage / Current, H-Bridge, 2-Channel

Overview
Specifications
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Product Overview
产品说明
The LB1939T is a 2-phase excitation bipolar stepping motor driver that features low voltage operation, a low saturation voltage and low power consumption. It supports constant voltage and constant current drive, can control two iris motors and is optimal for shutter, iris and AF drive in 3V battery operated still digital cameras and other battery operated equipment.
特性
 
  • Low voltage drive
  • Low saturation voltage output
  • Supports constant voltage and constant current drive
  • Built-in reference voltage circuit
应用
  • Battery operated equipment
技术文档及设计资源
应用注释 (1) 评估板文档 (4)
封装图纸 (1)  
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
LB1939TGEVB Active
Pb-free
EVABOARD FOR LB1939T
Avnet (2015-07-09) : 2
Mouser (2015-07-09) : 2
供货情况和样品
产品
状况
Compliance
具体说明
封装
MSL*
容器
预算价格 (1千个数量的单价)
类型
外形
类型
数量
LB1939T-MPB-E Active
Pb-free
Motor Driver, Constant Voltage / Current, H-Bridge, 2-Channel TSSOP-20 948AX 3 Fan-Fold 70 $1.6813
LB1939T-TLM-E Active
Pb-free
Motor Driver, Constant Voltage / Current, H-Bridge, 2-Channel TSSOP-20 948AX 3 Tape and Reel 2000 $1.261
表面贴装器件的潮湿敏感度等级(MSL)(260°C回流温度时测量无铅,235°C回流温度时测量含铅)
市场订货至交货的时间(周) : 4 to 8
市场订货至交货的时间(周) : 4 to 8
Digikey   (2015-07-09) : >1K
Mouser   (2015-07-09) : <1K
PandS   (2015-07-09) : >1K
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Product Overview

Product Compliance Status Description Type VM Min (V) VM Max (V) VCC Min (V) VCC Max (V) IO Max (A) IO Peak Max (A) Step Resolution Control Type Feedback Method Current Sense Regulator Output Fault Detection Flyback Protection RDS(on) Typ (Ω) Package Type
 Pb-free   Active     Motor Driver, Constant Voltage / Current, H-Bridge, 2-Channel   Stepper   1.6   10.5   1.9   10.5   0.4   
 1 
 ½ 
 Parallel   None   External Resistor   Yes   Thermal   Integrated Active     TSSOP-20 
 Pb-free   Active     Motor Driver, Constant Voltage / Current, H-Bridge, 2-Channel   Stepper   1.6   10.5   1.9   10.5   0.4   
 ½ 
 1 
 Parallel   None   External Resistor   Yes   Thermal   Integrated Active     TSSOP-20 
»查看材料成分
»No Product Change Notifications exist
Product Overview
外形
948AX   
»查看材料成分
»No Product Change Notifications exist
Product Overview
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