L78S05CV

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IC REG LINEAR 5V 2A TO220

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Especificações

Atributo Valor
Part Status Obsolete
Base Product Number L78S05
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 35V
Voltage - Output (Min/Fixed) 5V
Current - Output 2A
Current - Quiescent (Iq) 8 mA
PSRR 54dB (120Hz)
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature 0°C ~ 150°C
Mounting Type Through Hole
Package TO-220-3
Supplier Device Package TO-220
Packaging Tube

Visão Geral

Description

The L78S05CV is a voltage regulator from the 78xx series, designed to provide a stable 5V output from a higher voltage input. It is commonly used in electronics to ensure a consistent voltage supply to components, regardless of fluctuations in input voltage or load current. This three-terminal regulator is known for its ease of use and reliability.
Key features include a fixed 5V output, thermal overload protection, and short-circuit protection, which enhance its durability and safety in various applications. The L78S05CV can deliver up to 2A of output current, making it suitable for powering moderate loads. It requires minimal external components, typically just input and output capacitors, to function effectively.
The device is often used in power supply circuits for consumer electronics, microcontrollers, sensors, and other devices requiring a stable 5V supply. Its robust construction and protective features make it a popular choice among hobbyists and professionals alike for creating dependable power solutions.

Equivalent

The L78S05CV is a fixed voltage regulator providing a 5V output. Equivalent products include:
1. LM7805 (by Texas Instruments or ON Semiconductor)
2. KA7805 (by Fairchild Semiconductor, now part of ON Semiconductor)
3. MC7805 (by ON Semiconductor)
4. UA7805 (by Texas Instruments)
5. NJM7805 (by New Japan Radio)
6. TS7805 (by Taiwan Semiconductor)
These alternatives share similar specifications and can typically be used interchangeably in circuit designs requiring a 5V regulator.

Features

The L78S05CV is a voltage regulator from the L78S series, commonly used in electronics for providing a stable output voltage. Here are its key features:
1. Output Voltage: It delivers a fixed output of 5V.
2. Output Current: Capable of supplying up to 2A of output current.
3. Input Voltage: Typically requires an input voltage between 7V to 35V.
4. Protection: Includes internal thermal overload protection, short-circuit protection, and safe area protection for enhanced reliability.
5. Dropout Voltage: Generally has a dropout voltage of around 2V, meaning it needs at least 7V input to maintain a 5V output.
6. Package Type: Available in TO-220 package, which supports heat dissipation.
7. Temperature Range: Designed to operate within a temperature range of 0°C to +125°C.
8. Application: Commonly used in power supply circuits, embedded systems, and other electronic devices needing regulated 5V power.
These features make the L78S05CV a versatile and reliable choice for various electronic applications requiring a stable 5V output.

Pinout

The L78S05CV is a three-terminal positive voltage regulator with a fixed output voltage of 5V. It is designed to provide a stable output voltage with a maximum output current of 2A. The device is commonly used in power supply applications where a regulated 5V is required.
The L78S05CV comes in a TO-220 package and has three pins:
1. Input (Pin 1): This pin receives the unregulated input voltage, which should be higher than the desired output voltage to ensure proper regulation.
2. Ground (Pin 2): This is the common ground pin for both the input and output, serving as a reference point for the voltage levels.
3. Output (Pin 3): This pin provides the regulated 5V output.
The L78S05CV is equipped with features such as thermal shutdown, current limiting, and safe area protection, making it robust and reliable for various applications.

Manufacturer

The L78S05CV is a voltage regulator manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer headquartered in Geneva, Switzerland. It is one of the world's largest semiconductor companies and designs, develops, manufactures, and markets a wide range of products, including microcontrollers, power devices, sensors, and analog devices.
STMicroelectronics serves various industries, including automotive, industrial, personal electronics, and communications equipment sectors. The company is recognized for its focus on innovation, quality, and sustainability in the production of semiconductor solutions. Its broad portfolio of products aims to address the needs of today's and future technology-driven markets, playing a crucial role in applications like energy management, digital transformation, and smart technologies.

Application

The L78S05CV is a voltage regulator used primarily in applications requiring a steady 5V output from a higher voltage input. Key application areas include:
1. Power Supply Design: Used in creating stable power supplies for electronic circuits.
2. Embedded Systems: Provides a reliable voltage source for microcontrollers and processors.
3. Consumer Electronics: Utilized in devices like TVs, radios, and gaming consoles to ensure consistent performance.
4. Industrial Equipment: Offers voltage regulation in automation systems and control equipment.
5. Communication Devices: Supports stable operation in telecommunication devices by regulating power.
Its versatility and reliability make it suitable for various electronic projects requiring consistent voltage regulation.

Package

The L78S05CV is a voltage regulator with a TO-220 package type. This package is a three-terminal, through-hole design commonly used for medium to high-power semiconductor devices, providing efficient heat dissipation.

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