WMSIC Electronic Components

ST LM317T

ModelLM317T
PackageTO-220AB-3
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 25+

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Technical data

Product details

20 specifications

Core information

Product name
ST(STMicroelectronics) LM317T
Type
ST
Unit
Electronic Component
Minimum package
1000 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
ST(STMicroelectronics)
Electronic Component
LM317T
Electronic Component
1
Package
TO-220AB-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
2.14g
Electronic Component
1
Electronic Component
BM69415423
Operating Temperature
0℃~+125℃@(Tj)
Operating Voltage
40V
Output
Electronic Component
Output Voltage
1.2V~37V
Output Current
1.5A
Output Type
Electronic Component

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

LM317T 产品概述

简介

LM317T是一款由意法半导体(STMicroelectronics)生产的可调线性稳压器。它设计用于提供高度稳定的输出电压,广泛应用于各种电子电路和设备中,以满足其对电源的要求。该器件的输出电压可在1.2V到37V之间进行调节,适用于多种电源方案。

基础参数

LM317T的输入电压范围最高可达40V,能够支持大多数常规电源线路。其输出电流可达到1.5A,确保了对功率要求较高的负载的供电能力。通过外部电阻设置,用户能够方便地调节输出电压,以适应不同的应用需求。另一方面,LM317T还具有良好的电源抑制比(PSRR),在120Hz时的PSRR在80dB至65dB之间,能够有效滤除输入电压中的噪声和波动,从而确保输出稳定。

保护功能

LM317T在设计时充分考虑了保护功能,内置的过流保护和超温保护机制确保了器件的安全可靠性。当输出电流超过设定值或芯片温度升高到一定水平时,其将自动限制输出或者关闭,以防损坏。因此,该器件非常适合在苛刻的工作环境中使用。

工作温度与封装

LM317T的工作温度范围为0°C到125°C,适合各种环境下的应用需求。它采用TO-220-3封装方式,具有良好的散热性能,适合通过通孔安装在电路板上,这使得该元件在设计时提供了更大的灵活性和便利性。

应用场景

LM317T因其可调输出电压的特点,被广泛应用于以下几种场合:

  1. 电源供应电路:作为稳压电源的核心组件,能够为各种电子设备(如音频设备、照明系统等)提供稳定可靠的电源。

  2. 电池充电器:由于其可调输出特性,LM317T可以用于不同种类电池的充电器设计中。

  3. 实验和开发:在实验室环境下,LM317T常用于提供准确的参考电压和电流,方便实验人员进行测试。

  4. 消费电子产品:包括但不限于家电、个人电子设备和汽车电子产品等领域,都能借助其高效能和可靠性受益。

结论

总的来说,LM317T是一款功能强大、应用广泛的可调线性稳压器。凭借其高输入电压范围、稳定的输出和完善的保护功能,LM317T成为了电子设计中不可或缺的重要组件。无论是在工业应用、消费电子还是科研实验中,LM317T都具备了出色的性能和灵活性,满足了现代电子产品对电源稳定性的需求。由于意法半导体的良好口碑和丰富的技术支持,设计工程师在选择电源解决方案时,LM317T始终是一个值得考虑的优质选项。

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