WMSIC Electronic Components

ST LDL1117S33R

ModelLDL1117S33R
PackageSOT-223-4
BrandST
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

20 specifications

Core information

Product name
ST(STMicroelectronics) LDL1117S33R
Type
ST
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
600mV@(1.2A)
Electronic Component
ST(STMicroelectronics)
Electronic Component
60uVrms
Electronic Component
LDL1117S33R
Electronic Component
1
Package
SOT-223-4
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.25g
Electronic Component
1
Electronic Component
BM0000286969
Operating Temperature
40℃~+125℃@(Tj)
Operating Voltage
18V
Output
Electronic Component
Output Voltage
3.3V

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

产品概述:LDL1117S33R 线性稳压器

1. 产品简介

LDL1117S33R 是一款由意法半导体(STMicroelectronics)制造的线性稳压器(LDO),其在众多应用场景中发挥着至关重要的作用。该稳压器具备固定的输出电压,额定值为3.3V,能够有效提供高达1.2A的输出电流,适合为各类低功耗电子设备供电。得益于其优越的性能和可靠的保护机制,LDL1117S33R 在高要求的应用场景中得到了广泛采用。

2. 关键特性

  • 输出电压与电流:LDL1117S33R 提供的固定输出电压为3.3V,最大输出电流可达到1.2A,能够满足大部分中小型电子设备的电源需求。

  • 输入电压范围:该稳压器的最大输入电压为18V,这使得它可以方便地连接到多种电源,适应性强。

  • 压降特性:在1.2A的负载条件下,LDL1117S33R 的最大压降为600mV,表现出良好的效率,尤其在需要较高电源效率的场合,能够减少发热量和功耗。

  • 工作温度范围:该器件的工作温度范围从-40°C 到125°C,非常适合在严苛环境中使用,保证其在不同气候及实际应用场景中的可靠性能。

3. 稳定性与噪声抑制

LDL1117S33R 的PSRR(电源抑制比)在不同频率范围内表现良好,最低为65dB,最高可达87dB (在120Hz到100kHz范围内)。这样的设计使得该稳压器能够有效抵抗输入电压的噪声干扰,尤其在对电源质量要求极高的敏感电子设备中至关重要。在输出电压的稳定性方面,LDL1117S33R 也展现了优异的性能,能够保证负载在瞬态响应下的电压稳健性。

4. 保护机制

LDL1117S33R 内置多种保护机制,包括过流保护、超温保护及欠压锁定(UVLO)。这些保护功能极大提高了芯片的安全性和可靠性,能够在电源环境不稳定的情况下保护负载和整个电路,防止损坏。

5. 封装与安装

该稳压器采用表面贴装型封装,种类包括TO-261-4和SOT-223,体积小巧,便于在现代小型电子设备中集成。表面贴装技术(SMT)不仅简化了生产流程,也提高了安装密度,为进一步的产品微型化和轻量化提供了可能。

6. 应用领域

LDL1117S33R 适合于广泛的应用场景,包括但不限于:

  • 通讯设备:如移动电话、无线路由器等
  • 工业控制系统:为传感器、微控制器等提供稳定电源
  • 消费电子产品:如音频设备、便携式设备等
  • 汽车电子:在汽车内部电子设备中提供可靠的电源

7. 结论

LDL1117S33R是一款高性能、功能全面的线性稳压器,通过其优异的电气特性、高效的压降表现以及多重保护机制,成为了各种电子应用中的理想选择。借助STMicroelectronics的技术积累和创新,LDL1117S33R在当今快速发展的电子市场中展现出了极大的应用前景与市场价值。无论是用于日常消费品还是专业设备,LDL1117S33R都能为设计师提供可靠的电源解决方案。

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