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LM340T-5.0

Name: LM340T-5.0
Rating: 4.7 (12 reviews)

IC REG LINEAR 5V 1.5A TO220-3

Производитель
Мфр. Часть #LM340T-5.0
Пакет
Лист данных
В наличии5279

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Спецификации

Part Status	Obsolete
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	35V
Voltage - Output (Min/Fixed)	5V
Voltage Dropout (Max)	2V @ 1A
Current - Output	1.5A
Current - Quiescent (Iq)	8 mA
PSRR	80dB (120Hz)
Protection Features	Over Temperature, Short Circuit
Operating Temperature	0°C ~ 125°C
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220-3
Base Product Number	LM340

Обзор

Description

The LM340T-5.0 is a voltage regulator from the LM340 series, designed to provide a stable output voltage of 5.0 volts. It is a three-terminal, adjustable linear regulator that supports output currents up to 1.0 ampere. The device features built-in thermal overload protection and short-circuit current limiting, enhancing its reliability in various applications.
Typically used in power supply circuits, the LM340T-5.0 is ideal for powering low-voltage digital and analog devices, microcontrollers, and sensors. Its operational voltage range is from 7V to 35V, making it versatile for different power supply configurations. The regulator's low dropout voltage enables efficient power management, especially when the difference between input and output voltages is minimal.
The LM340T-5.0 is available in various packages, including TO-220 and TO-263, facilitating integration into different electronic designs. Overall, it is a popular choice for hobbyists and professionals seeking a reliable 5V power source.

Features

The LM340T-5.0 is a voltage regulator designed to provide a stable output voltage of 5.0V with a maximum output current of 1A. Key features include:
1. Input Voltage Range: Operates with a wide input voltage range of 7V to 30V.
2. Built-in Overload Protection: Includes thermal shutdown and current limiting to prevent damage under fault conditions.
3. Low Dropout Voltage: Ensures efficient operation with a low dropout voltage, typically around 1.5V at full load.
4. Ease of Use: Requires only two external capacitors for stable operation, simplifying design and implementation.
5. Output Voltage Tolerance: Offers a tight output voltage tolerance of ±5%, ensuring reliable performance.
6. Temperature Range: Rated for operation over a wide temperature range, typically from 0°C to 125°C.
7. TO-220 Package: Available in a TO-220 package for easy heat dissipation and mounting.
These features make the LM340T-5.0 suitable for various applications, including power supplies for electronic devices and microcontrollers.

Package

The LM340T-5.0 is packaged in a TO-220 form factor, which is a metal tabbed package suitable for heat dissipation. This package type allows for efficient thermal management and is commonly used in power applications.

Pinout

The LM340T-5.0 is a voltage regulator with a pin count of 3. The functions of the pins are as follows:
1. Input (Pin 1): This pin receives the input voltage, which should be higher than the desired output voltage (in this case, 5V) by at least the dropout voltage for proper regulation.
2. Ground (Pin 2): This is the ground reference for the regulator, providing a common return path for the input and output currents.
3. Output (Pin 3): This pin delivers a regulated output voltage of 5V, providing stable power to connected circuits.
The LM340T-5.0 is commonly used in various applications requiring regulated power supply.

Manufacturer

The LM340T-5.0 is manufactured by Texas Instruments, a global semiconductor company based in the United States. Founded in 1951, Texas Instruments (TI) is known for designing and manufacturing a wide range of electronics components, including analog and embedded processing products. The company serves various markets, including automotive, industrial, consumer electronics, and communications. TI is recognized for its innovation in analog technologies and has a significant presence in the semiconductor industry, contributing to advancements in both hardware and software solutions for various applications.

Application

The LM340T-5.0 is a voltage regulator that provides a fixed output of 5V. Its application areas include powering microcontrollers, sensors, and other low-voltage digital circuits in consumer electronics, automotive systems, and industrial equipment. It is also used in battery-powered devices, LED drivers, and as a power supply component in various electronic projects and prototypes.

Equivalent

Equivalent products to the LM340T-5.0 voltage regulator include the 7805, LM7805, and LD1085-5.0. These devices provide similar 5V output voltage and are commonly used in linear voltage regulation applications. Always verify datasheets for specific electrical characteristics and pin configurations before substitution.

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