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LM2596R-5.0

Name: LM2596R-5.0
Rating: 4.7 (12 reviews)

IC REG BUCK 5V 3A TO263-5L

Производитель
Мфр. Часть #LM2596R-5.0
Пакет
Лист данных LM2596R-5.0 DataSheet
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Спецификации

Series	SIMPLE SWITCHER®
Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Fixed
Number of Outputs	1
Voltage - Input (Max)	40V
Voltage - Output (Min/Fixed)	5V
Current - Output	3A
Frequency - Switching	150kHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package	TO-263-5L

Обзор

Description

The LM2596R-5.0 is a step-down (buck) voltage regulator designed for efficient power management. It provides a fixed output voltage of 5.0V and can deliver up to 3A of output current, making it suitable for various applications, including battery-powered devices, LED drivers, and power supplies for microcontrollers.
Operating with an input voltage range of 4.5V to 40V, the LM2596R-5.0 features a high efficiency of up to 75% to 90%, significantly reducing heat generation compared to linear regulators. Its integrated design simplifies circuit layout and minimizes the need for external components.
The regulator includes built-in current limiting, thermal shutdown, and undervoltage lockout features for enhanced reliability and protection. The LM2596R-5.0 is available in a TO-220 package, making it easy to mount on PCBs.
In summary, the LM2596R-5.0 is a versatile and efficient solution for converting higher voltages to a stable 5V output in a variety of electronic applications.

Features

The LM2596R-5.0 is a step-down (buck) voltage regulator designed to efficiently convert higher input voltages to a fixed 5V output. Key features include:
1. Output Current: Capable of delivering up to 3A of output current.
2. Input Voltage Range: Supports input voltages from 4.5V to 40V, making it versatile for various applications.
3. Efficiency: High efficiency (up to 75%-90%) reduces heat generation and improves overall performance.
4. Fixed Output Voltage: Provides a regulated 5V output, ideal for powering microcontrollers and other low-voltage devices.
5. Integrated Components: Contains a built-in switch, reducing the need for external components and simplifying the design.
6. Thermal Protection: Features thermal shutdown and current limit protections to prevent damage under fault conditions.
7. Easy Layout: Designed for ease of use with minimal external components, making it suitable for compact designs.
Overall, the LM2596R-5.0 is a reliable choice for power supply applications requiring efficient voltage regulation.

Package

The LM2596R-5.0 is available in a TO-263 package type. This surface-mount package provides efficient thermal management and is suitable for various applications in power regulation.

Pinout

The LM2596R-5.0 is a step-down (buck) voltage regulator with a total of 5 pins. Here’s the pin configuration and their functions:
1. Input (Vin): This pin connects to the input voltage supply.
2. Ground (GND): This pin is the ground reference for the device.
3. Feedback (Vout): This pin is connected to an output voltage divider to set the output voltage. In the LM2596R-5.0 version, it is fixed at 5.0V.
4. Switch (SW): This pin connects to the inductor and is where the switching action occurs, controlling the output voltage.
5. Output (Vout): This pin provides the regulated output voltage (5.0V in this case).
The LM2596R-5.0 is widely used in power management applications due to its efficiency and ease of use.

Manufacturer

The LM2596R-5.0 is manufactured by Texas Instruments (TI), a prominent American technology company specializing in semiconductor design and manufacturing. Founded in 1930, TI is a leader in the development of analog electronics, embedded processing, and digital signal processing. The company provides a wide range of products, including integrated circuits (ICs), microcontrollers, and power management solutions, catering to various industries such as automotive, industrial, communications, and consumer electronics. The LM2596R-5.0 is a popular step-down (buck) voltage regulator known for its efficiency and reliability, making it widely used in power supply applications. Texas Instruments is recognized for its commitment to innovation and quality in the electronics sector.

Application

The LM2596R-5.0 is a step-down (buck) voltage regulator commonly used in applications such as power supplies for embedded systems, battery chargers, automotive electronics, LED drivers, and industrial automation. It efficiently converts higher input voltages to a stable 5V output, making it suitable for powering microcontrollers, sensors, and communication devices. Its robust design allows for use in various environments, including consumer electronics and telecommunications.

Equivalent

Equivalent products to the LM2596R-5.0 include:
1. LM2596-5.0 (standard variant)
2. LM2576-5.0 (higher current version)
3. LM2675-5.0 (low dropout version)
4. TPS54331 (Texas Instruments)
5. LT1084 (Linear Technology)
Always verify specifications for compatibility with your design requirements.

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