WMSIC Electronic Components

UTC LM317ML-TN3-R LM317ML

UTC LM317ML-TN3-R LM317ML
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Product image

ModelLM317ML-TN3-R
PackageTO-252-2(DPAK)
BrandUTC
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 Date code within 2 years

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Technical data

Product details

19 specifications

Core information

Product name
UTC LM317ML-TN3-R
Type
UTC
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UTC
Electronic Component
0.003%Vout
Electronic Component
LM317ML-TN3-R
Electronic Component
1
Package
TO-252-2(DPAK)
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.504g
Electronic Component
1
Electronic Component
BM0042854415
Operating Temperature
40℃~+85℃
Operating Voltage
40V
Output
Electronic Component
Output Voltage
1.2V~37V
Output Current
500mA
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.

LM317ML-TN3-R 产品概述

一、概述

LM317ML-TN3-R是一款高性能的线性稳压器（LDO），可调输出，适用于多种电子电路中。它具有宽输入电压范围（最高达40V）和优越的稳压性能，适合需要高压输入和稳定输出电压的应用场景。这款稳压器能够提供最大500mA的输出电流，广泛应用于消费电子、工业设备及汽车电子等领域。

二、主要特性

  1. 可调输出电压：LM317ML-TN3-R具有高达1.2V到37V的可调输出电压，使得用户可以根据实际需求灵活配置输出电压，适合多种电压要求的电路设计。

  2. 高输入电压：支持输入电压高达40V，提供更大的设计灵活性，适用于许多高压环境，使其在工业应用中得到广泛采用。

  3. 输出电流：能够提供高达500mA的稳定输出电流，满足大多数中小功率电路的需求。

  4. TO-252-2封装：LM317ML-TN3-R采用TO-252-2 (DPAK)封装，它具有良好的散热性能和较小的占板面积，适合于紧凑型设计的电子设备。

  5. 内置保护功能：产品内置过温、短路等保护电路有效提高了其可靠性，减少了因过载或其他故障造成的损坏风险。

三、典型应用

  1. 消费电子产品：在可调式电源板、音频设备和家庭自动化系统中广泛应用，保证了设备稳定的工作电压。

  2. 工业设备：可适用在各种电子仪器、测量设备、传感器以及执行器中，提供必要的低压稳定电源。

  3. 汽车电子：在车辆的电源管理系统中，LM317ML-TN3-R可用于为车载信息娱乐系统、传感器和其他电子设备提供稳定的电源支持。

  4. LED驱动电源：在LED驱动设计中，可以通过调整输出电压来控制LED的亮度，实现卓越的节能效果和延长LED的使用寿命。

四、工作原理

LM317ML-TN3-R的工作原理基于反向反馈和电压分压的原理。其输出电压通过外部电阻网络设定，并通过内置比较器与参考电压进行比较调节。当输出电压下降时，反馈信号启动内部功率晶体管增加输出，确保输出电压稳定在设定值附近。由于其设计具有较低的功耗和宽大的电流调节范围，LM317通常被选用于多电源系统设计中。

五、设计考虑

在使用LM317ML-TN3-R时需要考虑的是：

  • 输入电压应在推荐范围内，避免超过40V。
  • 输出电压的调整需要通过合适的电阻配置，这直接影响到电源的稳定性。
  • 添加足够的散热片以保证其在长时间工作下的散热效果，避免因过热而导致性能下降。
  • 注意输入和输出旁路电容器的选择，以帮助改善其瞬态响应和稳定性，确保电源在瞬态负载条件下也能稳定工作。

六、总结

LM317ML-TN3-R是一款性能卓越的可调线性稳压器，适合广泛的应用场景。凭借其高坎输入电压、可调输出电压和优良的保护功能，使得LM317ML-TN3-R成为许多电子设计中不可或缺的重要元件。无论是消费电子、工业设备还是汽车电子，该稳压器都能提供可靠稳定的电源解决方案。

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