LM2575T-5.0

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LM2575T-5.0

LM2575-N SIMPLE SWITCHER 1A STEP

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Especificaciones

Package Bulk
Series SIMPLE SWITCHER®
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Fixed
NumberofOutputs 1
Voltage-Input(Min) 4V
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 5V
Current-Output 1A
Frequency-Switching 52kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Through Hole
Package/Case TO-220-5

Descripción general

Description

The LM2575T-5.0 is a fixed-output voltage step-down (buck) switching regulator from Texas Instruments, designed to provide a 5V output. It is capable of delivering an output current of up to 1A with high efficiency, making it suitable for a variety of applications including power supply designs. The LM2575T-5.0 operates over a wide input voltage range, typically from 7V to 40V, which adds to its versatility in different circuit configurations.
Key features of the LM2575T-5.0 include a fixed 52 kHz switching frequency, which facilitates the use of smaller inductors and capacitors, and the ability to achieve efficiencies greater than 80%. It also includes built-in thermal shutdown and current limiting for added reliability and protection against overcurrent conditions. The device's TO-220 package enhances thermal performance, allowing it to operate efficiently even under high power conditions.
Overall, the LM2575T-5.0 is a popular choice for applications requiring a stable 5V output with minimal external components, thanks to its integrated design and robust performance characteristics.

Features

The LM2575T-5.0 is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator. It provides a fixed 5V output voltage. Key features include:
1. Output Current: Can drive a 1A load with excellent line and load regulation.
2. Efficiency: Capable of converting voltage efficiently, typically up to 88%.
3. Wide Input Voltage Range: Operates over a 4V to 40V input voltage range.
4. Fixed Output: Provides a fixed 5V output with ±4% maximum output voltage tolerance over the full load and temperature range.
5. Switching Frequency: Fixed frequency of 52 kHz.
6. Reduced External Components: Requires minimal external components for operation.
7. Thermal Shutdown: Integrated over-temperature protection.
8. Current Limit Protection: Built-in current limiting for overcurrent protection.
9. Soft Start: Helps in minimizing inrush current during start-up.
These features make the LM2575T-5.0 suitable for applications like power supply regulation in consumer electronics, automotive, and industrial systems where a regulated 5V output is needed.

Package

The LM2575T-5.0 is a voltage regulator in a TO-220 package. It is designed for step-down (buck) conversion and typically used in applications requiring efficient voltage regulation.

Pinout

The LM2575T-5.0 is a fixed output voltage regulator with a 5V output and is capable of delivering up to 1A of output current. It features a 5-pin configuration:
1. Vin: Input voltage pin where the unregulated input voltage is applied.
2. GND: Ground pin, which serves as the common ground for both input and output.
3. Vout: Output voltage pin where the regulated 5V output is available.
4. Feedback (FB): Feedback pin used to set the output voltage; for the fixed version like LM2575T-5.0, this pin is internally connected.
5. ON/OFF: Enable pin used to turn the regulator on or off. A low signal turns the regulator on, and a high signal turns it off.
The LM2575T-5.0 is commonly used in power supply circuits due to its efficiency, simplicity, and ease of use.

Manufacturer

The LM2575T-5.0 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and integrated circuits. They are among the largest semiconductor companies in the world and supply a wide range of electronic components for various industries, including consumer electronics, automotive, communications, and industrial applications. TI is known for its innovations in analog and embedded processing technologies and plays a significant role in the development and production of products that are integral to modern electronic systems.

Application

The LM2575T-5.0 is a step-down voltage regulator used in applications requiring efficient power conversion from a higher voltage to a stable 5V output. Its applications include power supplies for microcontrollers, communication equipment, automotive systems, and consumer electronics. It is ideal for battery-powered devices, distributed power systems, and any application needing a compact and efficient 5V power source. Its features, such as thermal shutdown, current limiting, and high efficiency, make it suitable for various industrial and commercial applications.

Equivalent

The LM2575T-5.0 is a step-down voltage regulator. Equivalent products include the LM2596-5.0, L78S05, and MC34063. Ensure compatibility in terms of voltage and current ratings when considering replacements.

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