LM7805CT

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LM7805CT

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IC REG LINEAR 5V 1A TO220-3

  • HerstellerOnsemi

  • Herstellerteil #LM7805CT

  • Paket TO-220-3

  • Auf Lager5741

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Spezifikationen

Attribut Wert
Package Tube
ProductStatus Obsolete
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 35V
Voltage-Output(Min/Fixed) 5V
VoltageDropout(Max) 2V @ 1A (Typ)
Current-Output 1A
Current-Quiescent(Iq) 8 mA
PSRR 73dB (120Hz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Through Hole
Package/Case TO-220-3

Übersicht

Description

The LM7805CT is a popular voltage regulator integrated circuit that provides a stable output voltage of 5V from a higher input voltage, typically ranging between 7V and 25V. It is part of the 78xx series of fixed linear voltage regulators, which are widely used in electronic circuits to ensure consistent power supply. The "05" in the name denotes the 5V output, while "CT" refers to the TO-220 package type commonly used for its durability and ease of heat dissipation.
Key features of the LM7805CT include short-circuit protection, thermal overload protection, and a built-in heat sink tab, enhancing its reliability and safety in various applications. It can deliver an output current of up to 1.5A, making it suitable for powering microcontrollers, sensors, and other digital circuits. The regulator requires only two external capacitors, making it simple to use in designs. Its ease of use, low cost, and robust performance make the LM7805CT a staple in hobbyist and professional electronic projects alike.

Equivalent

Equivalent products to the LM7805CT voltage regulator chip include:
1. L7805CVby STMicroelectronics
2. MC7805CT by ON Semiconductor
3. NTE960 by NTE Electronics
4. KA7805 by Fairchild Semiconductor
5. UA7805 by Texas Instruments
6. AN7805 by Panasonic
These alternatives are 5V linear voltage regulators with similar pin configurations and performance specifications suitable for various electronic applications.

Features

The LM7805CT is a popular voltage regulator integrated circuit that provides a fixed 5V output from a higher voltage input. Key features include:
1. Output Voltage: 5V with a typical output current of up to 1.5A.
2. Input Voltage: Requires an input between 7V and 35V to function properly.
3. Thermal Overload Protection: Automatically shuts down the device if it overheats, protecting it from damage.
4. Short Circuit Protection: Limits the current to prevent excessive draw in case of a short circuit.
5. Safe Area Protection: Ensures the internal power dissipation remains within safe limits.
6. Package: Typically available in a TO-220 package, which is easy to mount and provides good heat dissipation.
7. Line Regulation: Maintains stable output with varying input voltage.
8. Load Regulation: Keeps output voltage consistent under varying load conditions.
9. Low Quiescent Current: Minimizes power consumption when the device is idle.
Overall, the LM7805CT is widely used in electronics projects and applications for its reliability and ease of use in providing a stable 5V power supply.

Pinout

The LM7805CT is a three-terminal voltage regulator. It provides a fixed output voltage of 5V and can deliver an output current of up to 1.5A. The pin configuration is as follows:
1. Pin 1 (Input): This is the input pin where an unregulated DC voltage is applied. It must be higher than 7V and less than 25V for proper regulation.
2. Pin 2 (Ground): This is the ground pin, which is connected to the ground of both the input and output circuits.
3. Pin 3 (Output): This pin provides the regulated 5V output.
The LM7805CT is commonly used in power supply circuits to provide a stable voltage output and includes internal thermal overload protection and short-circuit protection features.

Manufacturer

The LM7805CT is a voltage regulator and is manufactured by several companies, including Texas Instruments, STMicroelectronics, ON Semiconductor, and others. These companies are semiconductor manufacturers that design and produce a wide range of electronic components used in various applications, from consumer electronics to industrial systems.
Texas Instruments, headquartered in Dallas, Texas, is a global leader in the semiconductor industry, known for its analog and embedded processing products. STMicroelectronics, based in Geneva, Switzerland, is another major player in the semiconductor field, offering solutions for a variety of applications, including automotive and industrial. ON Semiconductor, now known as onsemi, headquartered in Phoenix, Arizona, focuses on energy-efficient solutions for various sectors, including automotive, industrial, and communications.
These companies are integral to the electronics supply chain, providing essential components that enable the functionality of electronic devices and systems worldwide.

Application

The LM7805CT is a popular voltage regulator used in various applications requiring a stable 5V output from a higher voltage input. Key application areas include:
1. Power Supply Circuits: Used to convert and stabilize voltage levels for microcontrollers and digital circuits.
2. Embedded Systems: Ensures consistent voltage for microprocessor-based systems.
3. Consumer Electronics: Powers devices like radios, calculators, and home appliances.
4. Prototyping and Development Boards: Provides reliable power in DIY electronics projects.
5. Communication Devices: Stabilizes power for routers, modems, and telecommunication equipment.
6. Automotive Electronics: Supplies regulated power for sensors and control units.
Its simplicity, reliability, and ease of use make it a staple in electronic design.

Package

The LM7805CT is a voltage regulator with a TO-220 package type. This package features a three-terminal design, typically used for through-hole mounting, and is well-suited for managing heat dissipation in power regulation applications.

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