SG7808A中文资料Positive Fixed Linear Voltage Regulators : 5, 6, 8, 12, 15, 18, 20, 24V Fixed数据手册Microchip规格书

描述 Description

The SG78xxA/SG78xx series of positive regulators offer self-contained, fixed-voltage capability with up to 1.5 A of load current and input voltage up to 50 V (SG78xxA series only). These units feature a unique on-chip trimming system to set the output voltages to within ±1.5% of nominal on the SG78xxA series with ±2.0% on the SG78xx seriesMicrochip Ordering Part  Standard Microcircuit Drawing (SMD) SG7808AIG-DESC Cross Reference 5962-8962801UASG7808AIG-DESC Cross Reference 5962-8962801UXSG7808AK-DESC Cross Reference 5962-8962801YASG7808AK-DESC Cross Reference 5962-8962801YXSG7808AT-DESC Cross Reference 5962-8962801XASG7808AT-DESC Cross Reference 5962-8962801XX

特性 Features

Output Voltage Set Internally to ±1.5% on SG78xxA
Input Voltage Range to 50 V max on SG78xxA
2 V Input-Output Differential
Excellent Line and Load Regulation
Fold back Current Limiting
Thermal Overload Protection
Voltages Available: 5 V, 12 V, 15 V
Contact Factory for Other Voltage Options
Available in Surface Mount Package

简介

SG7808A属于集成电路（IC）的线性+开关稳压器。由Microchip制造生产的SG7808A稳压器 - 线性线性稳压器用于提供稳定的输出电压，无论负载电流、输入电压或环境因素如何变化，这些输出电压通常都要保持不变。它们的工作原理要求输入电压维持在高于所需的输出电压，而且要超出某个最小量，并且在工作时会将输入端的任何多余电压转换为热量。对于大多数应用而言，虽然这种稳压器的效率低于开关模式的稳压器，但它们通常更适合对噪声高度敏感的应用。