LM2594MX-5.0

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LM2594MX-5.0

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Switching Voltage Regulators

  • FabricanteTexas Instruments

  • Peça do Fabricante #LM2594MX-5.0

  • Em Estoque23624

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Especificações

Atributo Valor
Packaging MouseReel
Standard Pack Qty 2500

Visão Geral

Description

The LM2594MX-5.0 is a step-down (buck) voltage regulator from Texas Instruments, designed to efficiently convert a higher input voltage to a stable 5.0V output. Part of the LM2594 series, it supports a wide input voltage range, typically 4.5V to 40V, making it suitable for a variety of applications. The device can deliver up to 500 mA of output current with excellent line and load regulation.
Key features of the LM2594MX-5.0 include a fixed 150 kHz switching frequency, which helps in reducing the size of external components, thus saving space and cost. Its built-in thermal shutdown, current limiting, and short-circuit protection enhance reliability and safety. The device also includes a feedback pin to stabilize the output voltage and maintain regulation accuracy.
The LM2594MX-5.0 is ideal for power supply solutions in consumer electronics, automotive, and industrial applications where efficiency, size, and cost are critical. Its SOIC-8 package allows for easy integration into various circuit designs.

Equivalent

The LM2594MX-5.0 is a step-down voltage regulator. Equivalent products include:
1. LM2594M-5.0 by Texas Instruments: Similar specifications and package with slightly different suffix.
2. LM2675-5.0 by Texas Instruments: Another step-down regulator with comparable features.
3. MC34063 by ON Semiconductor: General purpose step-down converter.
4. L4971 by STMicroelectronics: Offers similar performance.
5. AP1509-50K5 by Diodes Incorporated: Equivalent functionality for 5V output.
Always check the datasheets for exact compatibility.

Features

The LM2594MX-5.0 is a step-down voltage regulator capable of producing a fixed 5.0V output. It features a wide input voltage range of 4.5V to 40V, making it versatile for various applications. The device can deliver an output current of up to 0.5A with high efficiency.
Key features include a fixed 150 kHz switching frequency, which allows for smaller external components and less board space usage. The regulator is equipped with thermal shutdown and current limit protection for enhanced reliability. It also supports an external shutdown function, which reduces power consumption to near zero when the device is not in use.
The LM2594MX-5.0 is designed for ease of use with a minimum number of external components required for operation. It is available in a surface-mount package, which is advantageous for compact and high-density circuit designs. This regulator is commonly used in applications such as battery-powered devices, automotive electronics, and industrial power supplies.

Pinout

The LM2594MX-5.0 is a step-down voltage regulator with a fixed output of 5.0 volts. It comes in an 8-pin surface-mount SOIC package. The pin functions are as follows:
1. Vin: Input voltage supply pin (4.5V to 40V).
2. Output: Output pin where the regulated 5V is provided.
3. Ground: Common ground pin for input and output.
4. Feedback: Used for setting the output voltage in adjustable versions, but it may be internally connected for fixed versions like the LM2594MX-5.0.
5. ON/OFF: Enable/disable pin for the regulator. Logic high turns the regulator off, logic low turns it on.
6. Compensation: Internally connected for fixed output versions, used for loop compensation.
7. Soft-start: Provides a controlled ramp up of the output voltage to prevent inrush current.
8. NC (No Connect): This pin is not connected internally and can be left floating.
The LM2594MX-5.0 is known for its efficiency, simplicity, and reliability in step-down voltage regulation applications.

Manufacturer

The LM2594MX-5.0 is a voltage regulator originally manufactured by National Semiconductor, which was later acquired by Texas Instruments (TI) in 2011. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components. They are well-known for their analog and embedded processing products, which are used in various industries including automotive, industrial, personal electronics, and communications equipment. TI is a major player in the semiconductor industry, providing components such as integrated circuits, processors, and sensors that are essential for the functioning of electronic devices. The LM2594MX-5.0, as a part of their product lineup, is typically used in power management applications to ensure a stable voltage supply in electronic systems.

Application

The LM2594MX-5.0 is a step-down voltage regulator that is commonly used in various applications requiring efficient power conversion. Its application areas include:
1. Embedded Systems: Provides stable 5V supply for microcontrollers and peripherals.
2. Consumer Electronics: Powers devices like routers, modems, and set-top boxes.
3. Industrial Equipment: Used in control systems and instrumentation.
4. Automotive: Supports 12V to 5V conversion for dashboard electronics.
5. Telecommunications: Provides power for networking equipment.
6. Battery-Powered Devices: Efficiently manages power in portable applications.
7. Solar Systems: Converts varying solar panel outputs to stable 5V for charging.
Its efficiency and simplicity make it suitable for a wide range of electronic applications.

Package

The LM2594MX-5.0 is a step-down voltage regulator available in a surface-mount package, specifically the 8-pin SOIC (Small Outline Integrated Circuit) package.

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