WMSIC Electronic Components

ST L7912CV -12V Voltage Regulator L7912CV

ST L7912CV -12V Voltage Regulator L7912CV
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Product image

ModelL7912CV
PackageTO-220
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 23+

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Technical data

Product details

20 specifications

Core information

Product name
ST(STMicroelectronics) L7912CV
Type
TO-220
Unit
Electronic Component
Minimum package
1000 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
1.1V@(1A)
Electronic Component
ST(STMicroelectronics)
Electronic Component
200uV
Electronic Component
L7912CV
Electronic Component
1
Package
TO-220
Electronic Component
Linear Regulator(LDO)
Electronic Component
2.74g
Electronic Component
1
Electronic Component
BM0000004157
Operating Temperature
0℃~+150℃@(Tj)
Operating Voltage
27V
Output
Electronic Component
Output Voltage
12V

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

L7912CV 产品概述

L7912CV 是一款由意法半导体（STMicroelectronics）推出的负压线性稳压器，具有固定的输出电压和高效的性能，广泛应用于各种电子设备中。它的主要功能是将输入电压稳定在-12V，为下面的电路提供可靠的电源。这款稳压器特别适合需要负电压源的系统，例如运算放大器电路、模拟信号处理以及一些需要负电源的传感器应用。

基本参数

L7912CV 的主要电气参数包括：

  • 输出配置：负输出，该稳压器能够提供稳定的负电压。
  • 输出类型：固定，输出电压为-12V，适合对负电压有明确要求的电路。
  • 稳压器数量：1，典型的单通道稳压器设计。
  • 输入电压范围：最大输入电压为-35V，提供足够的头余度以应对输入电压波动。
  • 电压降：在标准的负载条件下（1A），最大电压降为1.1V，这意味着在负载较大时，依然可以保证输出的稳定性。
  • 输出电流：能够提供高达1.5A的输出电流，适合多种应用场景。
  • 静态电流（Iq）：3mA，表示即使在没有负载时，稳压器本身的功耗较低。
  • PSRR（电源抑制比）：60dB（在120Hz），能有效抑制输入电压的波动对输出电压的影响，提高稳压器的稳定性。
  • 保护功能：内建超温和短路保护，确保器件在极端条件下的安全性与稳定性。
  • 工作温度范围：适用于0°C至125°C的环境条件，增强了其在不同应用场景中的适应性。
  • 安装类型：通孔封装，便于在各种电路板上焊接。
  • 封装类型：TO-220，具备良好的散热性能。

应用场景

L7912CV 由于其优良的电气性能和构造特性，适于多种应用：

  1. 音频设备：在高保真音频放大器中经常需要负电源，以提供对称的电源供给，增强音频信号的处理能力。
  2. 传感器和测量设备：许多传感器模块需要负电压进行工作，如某些类型的压力传感器和温度传感器，L7912CV 可以为它们提供稳定的负源。
  3. 信号处理模块：在模数转换（ADC）和数模转换（DAC）电路中，负电压源常用于偏置，提高信号处理的动态范围。
  4. 测试设备：在自动测试设备和实验室设备中，用于模拟不同条件下的电源供给，L7912CV 可以方便地实现负电源的需求。

结论

作为一款可靠且高效的负压线性稳压器，L7912CV 提供了稳定的-12V输出和1.5A的输出电流，适用于多种电子应用。其突出特点包括内嵌多重保护机制和良好的工作温度范围，使其在各种环境中均能稳定工作。无论是在消费电子、工业设备还是医疗仪器中，L7912CV 都是提供负电源的理想选择。选择 L7912CV，您将能够抓住提升整体设计性能的机会，确保您的电路系统具备高效、稳定和安全的电源解决方案。

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