LV56351HA中文资料Step-Up DC-DC Converter, 1-Channel数据手册ONSEMI规格书

描述 Description

LV56351HA integrates 1ch DC/DC boost converter and 1ch LDO. It is suitable as the power supply for BS/CS antennas of LCD/PDP TV and BD recorders that require automatic recovery without IC destruction and malfunction when the output is short-circuited.

特性 Features

• Boost mode:Soft start function (t=2.8ms)
• Can decrease a rush current
• Boost mode:Pulse by pulse over current protection function
• Over current protection
• Boost mode:Short circuit protection function
• Short circuit protection
• LDO mode:Over current limiter (fold-back characteristics)
• limiting a over current. (damage protection for external parts)
• Common:Under voltage lockout
• Prevention of instability operation in under voltage
• Common:Thermal shut down
• Thermal protection
• Common:Power good
• Stability operation
• Common:Internal fixed switching frequency(=425kHz)
• No need to attach the external parts

应用 Application

• Boost convertor attached LDO function
• Power supply for BS/CS parabola antenna

简介

LV56351HA属于开发板套件编程器的评估板-DC/DC与AC/DC（离线）SMPS。由制造生产的LV56351HA评估板 - DC/DC 与 AC/DC（离线）SMPS该系列产品提供了一种方便的方法，可对开关模式电源转换所用的器件（包括 DC-DC 和 AC-DC 型）进行性能或特性评估。“稳压器”（包含内部电源开关装置）和“控制器”（设计为控制外部电源开关）之类的器件均包括在内。