SC339数据手册集成电路（IC）的线性稳压器规格书PDF

描述 Description

The SC339 is an ultra-low output voltage, linear power supply controller designed to simplify power management for notebook PCs. It is part of Semtech’s Smart LDO™ family of products. The SC339 has a user adjustable output that can be set anywhere between 0.5V and 3.3V using two external resistors.

特性 Features

·± 1% Voltage Accuracy Over-Temperature
·Low Shutdown Current
·Runs Off 5V Supply
·Enable Control for the Output
·Power Good Monitoring and Signaling for the Output
·Gate Drive from Input Supply Enables Use of
·N-Channel MOSFET
·User Selectable Dropout Voltage
·Under-Voltage Protection for the Output
·SOT-23 6-pin Surface Mount Package
·Compatible with Ceramic Capacitors
·Low Ripple Output
·Internal 1ms soft-start requires no external components
·Fully WEEE and RoHS compliant

应用 Application

·Notebook PCs
·Desktop Computers
·Battery Powered Devices
·Portable Instruments

简介

SC339属于集成电路（IC）的线性稳压器。由制造生产的SC339稳压器 - 线性稳压器控制器线性电压调节是指使用与负载串联的旁路元件（通常是双极型或场效应晶体管）以及对应的驱动控制电路，以在负载两端产生恒定的标称电压，负载通常对电路的电源电压变化或负载电流不敏感。该系列中的产品提供与外部旁路元件配合使用所必需的控制功能，从而将其与集成线性稳压器区分开来，后者将旁路元件与控制电路整合在单个器件封装中。