WMSIC Electronic Components

GR AMS1117-5.0 AMS1117

ModelAMS1117-5.0
PackageSOT-223
BrandGR
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
GR AMS1117-5.0
Type
GR
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
1.2V@(1A)
Electronic Component
GR
Electronic Component
0.003%Vout
Electronic Component
AMS1117-5.0
Electronic Component
1
Package
SOT-223
Electronic Component
Linear Regulator(LDO)
Electronic Component
1.377g
Electronic Component
1
Electronic Component
BM0264555461
Operating Temperature
0℃~+150℃@(Tj)
Operating Voltage
15V
Output
Electronic Component
Output Voltage
5V
Output Current
1A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

AMS1117-5.0线性稳压器产品概述

一、产品定位与核心价值

AMS1117-5.0是GR(国睿)品牌推出的固定输出型线性稳压器(LDO),主打5V稳定供电,专为中小功率、对电压纯净度要求较高的电子电路设计。其采用SOT-223贴片封装,体积紧凑且性能均衡,兼顾可靠性、成本控制与应用灵活性,是工业控制、通信、消费电子等领域的常用电源器件。

二、关键参数详细解读

核心参数直接决定了产品的适用场景,以下是关键参数的功能意义解析:

1. 输出与输入基础特性

  • 固定输出电压:5V(无需外部电阻调整,简化电路设计,避免调整误差);
  • 典型工作电压:15V(适配15V输入电源,常见于开关电源次级或线性电源输出);
  • 最大输出电流:1A(可稳定驱动单片机、传感器、小型显示模块等中小功率负载);
  • 压差:1.2V@1A(输出1A电流时,输入输出仅需1.2V压差,降低输入电压要求,提升电源效率)。

2. 纹波与噪声控制能力

  • 电源纹波抑制比(PSRR):75dB@120Hz(对市电整流后的120Hz纹波抑制能力强,可有效过滤电源噪声,提升输出纯净度);
  • 输出噪声:0.003%Vout(以5V输出为例,噪声仅约150μV,适合音频前置放大、高精度模拟电路等对噪声敏感的场景)。

3. 功耗与温度适应性

  • 静态电流(Iq):5mA(待机功耗适中,既保证稳压器自身稳定,又不会过度消耗电源能量);
  • 工作温度范围:0℃~150℃(结温Tj)(覆盖工业级温度需求,可在户外、高温车间等恶劣环境稳定运行)。

4. 输出与通道配置

  • 输出极性:正极(符合绝大多数电子设备的正电压供电需求);
  • 通道数:1(单通道输出,电路简单,易集成到各类PCB中)。

三、核心功能与保护机制

AMS1117-5.0内置多重保护,提升电路可靠性:

  • 过流保护:负载电流超过额定值时自动限流,避免器件或负载因过流损坏;
  • 热关断:结温超过150℃时切断输出,待温度下降后自动恢复,防止过热烧毁;
  • 输出锁定:固定5V输出无需外部调整,避免环境变化导致电压波动,提升输出稳定性。

四、封装与典型应用场景

1. 封装优势

采用SOT-223贴片封装,尺寸小巧(约4.5mm×4.0mm),散热性能优于普通SOT-23封装,适合高密度PCB布局,可降低产品体积与成本。

2. 主要应用场景

  • 工业控制:PLC模块、传感器节点、小型电机驱动的5V供电;
  • 通信设备:路由器、交换机的辅助电源;
  • 消费电子:小型充电设备、音频播放器(低噪声特性适配);
  • 车载电子:车载显示屏、传感器的5V供电(适配工业级温度);
  • 嵌入式系统:STM32、51系列单片机的核心供电。

五、典型应用电路说明

AMS1117-5.0的应用电路极为简单,仅需少量外部元件:

  1. 输入侧:并联10μF电解电容(或1μF陶瓷电容+10μF电解),过滤输入纹波;
  2. 输出侧:并联22μF电解电容(或1μF陶瓷电容+22μF电解),提升输出稳定性;
  3. 引脚连接:SOT-223封装的三个引脚依次为输入(VIN)、地(GND)、输出(VOUT),直接对应连接即可。

该电路无需额外调整,可快速实现5V稳定输出,适合新手快速上手,也能满足工业级电路的可靠性要求。

六、总结

AMS1117-5.0作为一款高性价比的固定5V线性稳压器,以紧凑封装、稳定输出、多重保护与工业级耐温特性,成为中小功率电源设计的常用选择。GR(国睿)品牌的品质保障,进一步提升了其在各领域的可靠性,可广泛适配从消费电子到工业控制的多种应用场景。

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