LM2576R-5.0

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LM2576R-5.0

IC REG BUCK 5V 3A TO263-5L

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Spécifications

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 52kHz
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

Vue d'ensemble

Description

The LM2576R-5.0 is a step-down (buck) voltage regulator designed to provide a fixed output voltage of 5 volts. It is part of the LM2576 series, which is known for its high efficiency and ease of use in power supply applications. This regulator can handle input voltages ranging from 7V to 40V and can deliver up to 3A of output current, making it suitable for various devices requiring stable power.
Key features include built-in thermal shutdown, current limiting, and a wide frequency range, which allows for the use of smaller external components. The LM2576 includes an integrated switch, reducing the need for external components and simplifying design. It is particularly useful in battery-operated systems, automotive applications, and power supplies for various electronic devices.
The device is available in different package types, including TO-220 and TO-263, facilitating easy integration into different circuit designs. Overall, the LM2576R-5.0 is a reliable choice for applications needing efficient voltage regulation at a fixed 5V output.

Features

The LM2576R-5.0 is a step-down (buck) voltage regulator designed to provide a fixed output voltage of 5V. Key features include:
1. Input Voltage Range: Operates with input voltages up to 40V, making it versatile for various applications.
2. Output Current: Capable of delivering up to 3A of load current, suitable for powering a variety of devices.
3. Efficiency: High efficiency (typically up to 75-90%) reduces heat generation and improves overall performance.
4. Thermal Shutdown: Integrated thermal protection to prevent overheating and damage.
5. Short-Circuit Protection: Provides protection against output overload conditions.
6. Simple Design: Requires minimal external components, facilitating easy circuit design.
7. Fixed Output: Designed specifically for a stable 5V output, ideal for powering microcontrollers and other logic devices.
8. Operating Frequency: Typically operates at a switching frequency of 52 kHz, which helps reduce the size of external components.
These features make the LM2576R-5.0 suitable for various applications, including power supplies, battery chargers, and automotive electronics.

Package

The LM2576R-5.0 is typically packaged in a TO-263 surface mount package. It features a compact design suitable for power management applications, offering efficient thermal performance and ease of integration onto PCBs.

Pinout

The LM2576R-5.0 is a step-down (buck) voltage regulator with a pin count of 5. Its pin functions are as follows:
1. Input (Pin 1): Connects to the input voltage source.
2. Output (Pin 2): Delivers the regulated output voltage (5V).
3. Ground (Pin 3): Common ground connection for power and signal.
4. Feedback (Pin 4): Used to set the output voltage; typically connected to a resistive divider.
5. Switch (Pin 5): Connects to the internal switch and is used in the switching regulation process.
The LM2576R-5.0 is designed for applications requiring efficient power conversion, supporting up to 3A output current. Its fixed output voltage of 5V makes it suitable for powering various electronic circuits.

Manufacturer

The LM2576R-5.0 is manufactured by Texas Instruments (TI), an American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, with a strong focus on analog and embedded processing products. The company serves a wide range of industries, including automotive, industrial, communications, and consumer electronics. Texas Instruments is known for its innovation and leadership in the semiconductor market, providing solutions for power management, data converters, and microcontrollers, among others. The LM2576R-5.0 is a popular voltage regulator in power management applications, showcasing TI's commitment to high-quality electronic components.

Application

The LM2576R-5.0 is a step-down (buck) voltage regulator commonly used in applications such as power supplies for portable devices, automotive electronics, battery chargers, LED drivers, and industrial automation systems. Its ability to provide a stable 5V output with high efficiency makes it suitable for powering microcontrollers, sensors, and other low-voltage electronic components.

Equivalent

Equivalent products to the LM2576R-5.0 include the LM2576-5.0, LM2596-5.0, and LMT76-5.0. Additionally, you can consider the MIC2940, LM1084-5.0, and TPS54331 for similar applications. Ensure to verify specifications such as output voltage, current rating, and thermal performance to ensure compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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