LV11961HA中文资料Single-phase FAN Motor Driver数据手册ONSEMI规格书

描述 Description

LV11961HA is a driver IC for single-phase fan motor that easily implements direct PWM motor drive system with excellent efficiency.LV11961HA is optimal for fan motor drive in personal computer power supply systems and CPU cooling systems.

特性 Features

• Single-phase full wave drive (built-in power FETs)
• Speed control function by DC voltage input to VTH pin
• Minimum speed adjustment by fixed voltage input to RMI pin
• Soft start-up function by SFS pin
• Regulated voltage output pin for Hall bias
• Built-in lock protector and auto recovery circuit
• FG signal output pin, RD signal output pin
• Built-in TSD (Thermal shutdown) circuit

应用 Application

• Fan motor units
• Note PCs
• Desk top PCs
• Projectors

简介

LV11961HA属于集成电路（IC）的全半桥驱动器。由制造生产的LV11961HA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。