LB1837M数据手册集成电路（IC）的全半桥驱动器规格书PDF

描述 Description

The LB1837M is a low-voltage, low-saturation, two-channel motor driver with a bidirectional braking function that provides constant-voltage regulated output for bidirectional operation.The design of the LB1837M is ideal for video/still cameras and other portable equipment.

特性 Features

Wide operating voltage range (3.0 to 9.0V)
Low saturation voltage VO (sat) = 0.40V at IO = 200mA
Consumes almost no current in standby mode (0.1µA or less)
Permits setting of bidirectional constant-voltage regulated value
Built-in reference voltage coupled to input
Brake function built in
Compact MFP14S package

应用 Application

Video camerasStill camerasOther portable equipment

简介

LB1837M属于集成电路（IC）的全半桥驱动器。由制造生产的LB1837M全半桥驱动器器件属于电桥驱动器电源管理集成电路 (PMIC) 系列，包含两个或多个功率晶体管，以及在外部器件控制下将其用作开关所需的电路。这些晶体管通常在内部配置为成对串联连接（称为半桥），因而任意指定晶体管对之间的结点都可以连接至两个电源轨中的任一个。这类器件常用于将控制器件（如微控制器）提供的低电平信号转换为操作执行器（如步进电机或无刷电机）所需的较大功率信号。