WMSIC Electronic Components

ST LD1117DT33CTR 3.3V LDO Regulator LD1117DT33CTR

ST LD1117DT33CTR 3.3V LDO Regulator LD1117DT33CTR
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Product image

ModelLD1117DT33CTR
PackageDPAK
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 24+

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Technical data

Product details

20 specifications

Core information

Product name
ST(STMicroelectronics) LD1117DT33CTR
Type
ST
Unit
Electronic Component
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
1.2V@(800mA)
Electronic Component
ST(STMicroelectronics)
Electronic Component
100uV
Electronic Component
LD1117DT33CTR
Electronic Component
1
Package
DPAK
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.475g
Electronic Component
1
Electronic Component
BM0000287990
Operating Temperature
0℃~+125℃@(Tj)
Operating Voltage
15V
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.

LD1117DT33CTR 产品概述

1. 产品简介

LD1117DT33CTR是一款来自意法半导体（STMicroelectronics）的线性稳压器（LDO），其设计用于提供稳定的3.3V输出电压。该器件专为要求严格的电源管理应用而设计，能够在最大输入电压为15V的条件下，输出高达800mA的电流，广泛应用于消费电子、工业设备和医疗设备等领域。

2. 主要特性

  • 固定输出电压：LD1117DT33CTR的标称输出电压为3.3V，满足大多数数字电路和微控制器的电源需求。
  • 输入电压范围：最大支持15V的输入电压，使得该稳压器能够适应多种不同的电源配置。
  • 输出电流能力：该IC能够提供高达800mA的输出电流，支持对功率需求较高的负载供电。
  • 低静态电流：设备的静态电流仅为10mA，有助于减少待机功耗，特别适用于电池供电的应用。
  • 良好的纹波抑制比（PSRR）：在120Hz频率下提供75dB的PSRR，这使得该稳压器在电源波动较大的情况下仍能够维持稳定的输出电压。
  • 过流和温度保护：器件内置过流和过热保护功能，增强系统的可靠性和稳定性。

3. 电气特性

  • 输入电压：最大15V
  • 输出电压：固定3.3V
  • 输出电流：800mA
  • 压降（Vin-Vout）：最大值1.3V @ 800mA
  • 工作温度范围：-40°C ~ 125°C（TJ），确保在恶劣环境下的性能稳定。

4. 封装与安装

LD1117DT33CTR采用DPAK (TO-252)封装形式，这是一个表面贴装型封装，具有良好的散热能力，适合工业和消费类电子设备的应用。封装尺寸紧凑，易于在现代印刷电路板（PCB）上保持空间效率。

5. 应用领域

LD1117DT33CTR广泛应用于各种电子设备的电源管理，特别是：

  • 便携式设备：由于其低静态电流特性，适合应用于需要延长电池使用寿命的设备。
  • 网络设备：如路由器和交换机，能够提供稳定的电源支持。
  • 计算机系统：可以用作核心处理单元或外设的稳定电源。
  • 工业控制：在恶劣环境下运行时，产品的高温工作范围使其非常适合工业自动化设备。
  • 汽车电子：适应汽车电力系统的复杂需求，并确保长期稳定运行。

6. 总结

LD1117DT33CTR凭借其优异的电气性能和可靠的保护机制，为各种高性能电子设备提供了高效与稳定的电源解决方案。其固定3.3V输出、小电流消耗、广泛的输入电压范围以及过流和过热保护功能，使其成为电源管理应用的理想选择。这款线性稳压器以其卓越的性能和可靠性，满足了现代电子设备多样化和高效能的需求，是工程师进行电源设计时的理想元器件之一。

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