L7812CV

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L7812CV

+БОМ

IC REG LINEAR 12V 1.5A TO220AB

  • ПроизводительSTМикроэлектроника

  • Мфр. Часть #L7812CV

  • Лист данных L7812CV DataSheet

  • Пакет TO-220

  • В наличии3561

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Спецификации

Атрибут Ценность
Package Tube
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 35V
Voltage-Output(Min/Fixed) 12V
VoltageDropout(Max) 2V @ 1A (Typ)
Current-Output 1.5A
Current-Quiescent(Iq) 8 mA
PSRR 55dB (120Hz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature 0°C ~ 125°C
MountingType Through Hole
Package/Case TO-220-3

Обзор

Description

The L7812CV is a popular voltage regulator integrated circuit (IC) designed to provide a stable 12V output from a higher input voltage. It belongs to the 78xx series of voltage regulators, which are widely used for powering electronic circuits. The L7812CV is a three-terminal device with an input, output, and ground connection. It can handle input voltages typically ranging from 14.5V to 35V, making it suitable for numerous applications where a regulated 12V output is required.
This IC is known for its simplicity, reliability, and ease of use. It features built-in protection mechanisms, including current limiting, thermal shutdown, and safe area protection, which help prevent damage during overcurrent or overheating conditions. The L7812CV can deliver an output current of up to 1.5A, making it suitable for moderate power applications. It is commonly used in power supplies for consumer electronics, industrial equipment, and DIY projects. Overall, the L7812CV is a robust and versatile component for maintaining a consistent 12V power supply in various electronic systems.

Equivalent

The L7812CV is a 12V voltage regulator. Equivalent products include the LM7812, MC7812, NTE960, KA7812, and UA7812. These components provide a similar fixed 12V output and are often used interchangeably in circuits needing voltage regulation from a higher input voltage. Always check the datasheet for exact specifications and pin compatibility when substituting.

Features

The L7812CV is a popular voltage regulator manufactured by STMicroelectronics. It is part of the 78XX series of voltage regulators and is designed to provide a stable 12V output from a higher voltage input. Key features include:
1. Output Voltage: 12V with a tolerance of typically ±2%.
2. Output Current: Can deliver up to 1.5A.
3. Thermal Overload Protection: Built-in to prevent damage from overheating.
4. Short Circuit Protection: Protects the device by limiting the output current during a short circuit.
5. Output Transistor Safe Area Protection: Ensures reliability under various operational conditions.
6. Internal Current Limiting: Automatically limits current to prevent excessive load.
7. Dropout Voltage: Typically around 2V to maintain regulation.
8. Input Voltage Range: Typically from 14.5V to 35V.
9. Package: Available in TO-220 and other form factors, facilitating easy mounting and heat dissipation.
10. Stability: Requires minimal external components for stable output.
The L7812CV is widely used in power supply circuits due to its reliability and simplicity.

Pinout

The L7812CV is a three-terminal positive voltage regulator with a fixed output voltage of 12V. It is part of the 78XX series of voltage regulators. The pin count and functions are as follows:
1. Pin 1 (Input): This pin receives the input voltage that needs to be regulated. The input voltage should be higher than 12V to ensure proper regulation.
2. Pin 2 (Ground): This is the common ground pin and serves as the reference point for both the input and output voltages.
3. Pin 3 (Output): This pin provides the regulated 12V output voltage. It can deliver up to 1.5A of current, making it suitable for various applications.
The L7812CV is commonly used in power supply circuits to provide a stable 12V output from a higher input voltage. It includes features like thermal overload protection and short-circuit protection, enhancing its reliability in electronic circuits.

Manufacturer

The L7812CV is a voltage regulator manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. The company serves various sectors, including industrial, automotive, personal electronics, communications equipment, and computers. STMicroelectronics is known for its expertise in innovation and sustainable technologies, focusing on smart driving and the Internet of Things (IoT). Headquartered in Geneva, Switzerland, the company operates worldwide, providing cutting-edge semiconductor solutions.

Application

The L7812CV is a voltage regulator used in applications requiring a stable 12V DC output. Common areas include power supply circuits for electronic devices, microcontrollers, and embedded systems. It is also used in consumer electronics, automotive circuits, and industrial equipment to provide regulated power from higher voltage sources. Additionally, it can be found in DIY projects and hobbyist applications where maintaining a constant voltage is crucial for circuit stability and performance. Its protection features make it suitable for use in circuits prone to voltage fluctuations or overcurrent conditions.

Package

The L7812CV is a voltage regulator typically housed in a TO-220 package. This package type is characterized by its three leads and a metal tab for heat dissipation, making it suitable for mounting on heatsinks.

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