WMSIC Electronic Components

UMW AMS1117-1.8 AMS1117

ModelAMS1117-1.8
PackageSOT-223
BrandUMW
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UMW AMS1117-1.8
Type
UMW
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
1.3V@(1A)
Electronic Component
UMW
Electronic Component
0.003%Vout
Electronic Component
AMS1117-1.8
Electronic Component
1
Package
SOT-223
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.25g
Electronic Component
1
Features
Electronic Component
Electronic Component
BM69413507
Operating Temperature
40℃~+125℃
Operating Voltage
18V
Output
Electronic Component
Output Voltage
1.8V

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

AMS1117-1.8 产品概述

一、简介

AMS1117-1.8 是一种线性稳压器(LDO),其主要特点是能够提供稳定的输出电压,适用于要求不高但需要简单电源管理的电子设备。该器件由友台半导体(UMW)生产,采用 SOT-223 封装,能够输出固定的 1.8V 电压,最大负载电流可达 1A。无论是在消费电子、工业控制还是通信设备中,AMS1117-1.8 都能够为设计工程师提供非常实用的解决方案。

二、特性

  1. 输出电压:AMS1117-1.8 提供固定的 1.8V 输出电压,适合很多低电压电路的需求。该电压水平特别适合低功耗的微控制器(MCU)和其他数字信号处理器(DSP)。

  2. 负载电流:最大输出电流为 1A,能够支持大多数普通应用,包括用于提供给传感器、无线模块和显示屏等外设的电源。

  3. 低压差特性:AMS1117 的低压差特性意味着即使输入电压低于 1.8V 也能正常工作,通常其输入电压可低至 2.5V,这使得在电池供电的应用中更有效率。

  4. 稳定性与可靠性:该器件具有出色的线性调节特性和负载调整能力,确保其在各种温度和负载条件下仍保持稳定的输出电压。同时,内置的过流保护和过热保护特性使其在使用过程中具有更高的安全性。

  5. SOT-223 封装:SOT-223 封装使得 AMS1117-1.8 在尺寸上更为紧凑,适合空间有限的设计需求。同时,这种封装也具有良好的散热性能,适合高温环境下的使用。

三、应用领域

AMS1117-1.8 的广泛应用领域包括:

  • 消费电子产品:如移动电话、便携式媒体播放器和数码相机等,能够为这些设备提供稳定可靠的电源。

  • 通信设备:在基站、路由器和交换机等设备中,AMS1117-1.8 可为处理器及外围设备提供必要的电压。

  • 工业控制系统:例如在传感器和执行器的电源管理中,能够保证设备在各种工作条件下均能稳定运行。

  • 其他电子设备:如汽车电子、医疗设备以及智能家居产品,AMS1117-1.8 作为供电解决方案也显示出其灵活性和高效性。

四、设计考虑

在集成 AMS1117-1.8 时,设计工程师需注意以下几点:

  1. 输入电压:确保输入电压无需低于 2.5V,同时也要经过足够的解耦以减小输入电压波动的影响。

  2. 输出电容:根据要求,设计师应选择合适的输出电容,通常建议使用 10μF 的电容,以确保其稳压性能和瞬态响应。

  3. 散热设计:由于在较大负载电流和一定输入电压差下会产生热量,合理的散热设计非常重要,以防止设备过热。

  4. PCB布局:良好的 PCB 布局至关重要,尤其是输入电源和地线的接地设计,以确保高效的电源和信号完整性。

五、总结

AMS1117-1.8 是一个高效、可靠且容易实现的线性稳压器,它在多个领域内都能提供绝佳的电源管理功能。凭借其固定的输出电压、低压差操作和强大的保护特性,AMS1117-1.8 成为电子设计中不可或缺的一部分,助力开发出高效、稳定的电子产品。无论是在消费电子领域,还是工业应用,AMS1117-1.8 的出现都提升了产品的性能和使用体验。

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