LM2674MX-ADJ

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LM2674MX-ADJ

Switching Voltage Regulators

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Bảo hành 365 ngày

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Packaging MouseReel
Standard Pack Qty 2500

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Description

The LM2674MX-ADJ is a step-down (buck) voltage regulator designed for efficient power management in various applications. It can provide an adjustable output voltage ranging from 1.23V to 37V, making it versatile for different circuit requirements. The device operates with an input voltage range of 4.5V to 40V and delivers up to 3A of continuous output current.
Key features include high efficiency (typically over 80%), low standby current, and integrated protection functions such as thermal shutdown and current limiting. The LM2674MX-ADJ is packaged in a compact 5-pin TO-220 or TO-263 form factor, facilitating easy integration into space-constrained designs.
Common applications include power supplies for consumer electronics, automotive systems, and battery-powered devices. Its adjustable output capability, coupled with robust performance and reliability, makes the LM2674MX-ADJ a popular choice for engineers seeking efficient voltage regulation solutions.

Features

The LM2674MX-ADJ is a step-down (buck) voltage regulator designed for efficient DC-DC conversion. Key features include:
1. Adjustable Output Voltage: Allows users to set output voltage from 1.23V to 37V using external resistors.
2. High Efficiency: Typically up to 90%, reducing heat generation and extending battery life.
3. Wide Input Voltage Range: Accepts input voltages from 4.5V to 40V.
4. Output Current: Capable of delivering up to 1A continuous output current.
5. Built-in Switch: Integrates the power switch, simplifying design and reducing component count.
6. Soft Start: Reduces inrush current during startup.
7. Thermal Shutdown: Provides protection against overheating.
8. Overcurrent Protection: Ensures safe operation under fault conditions.
9. Small Packages: Available in surface-mount packages for space-constrained applications.
This versatile regulator suits various applications, including battery-powered devices, industrial power supplies, and consumer electronics.

Package

The LM2674MX-ADJ is packaged in a 5-pin TO-220 package. This type of package is designed for efficient heat dissipation and is commonly used for voltage regulator applications.

Pinout

The LM2674MX-ADJ is a 5A adjustable output switching regulator with a pin count of 7. Its function is to provide a highly efficient DC-DC step-down (buck) conversion from a higher input voltage to a lower output voltage.
The pin configuration is as follows:
1. Vin - Input voltage.
2. GND - Ground.
3. SW - Switch node, connects to the inductor.
4. Vout - Output voltage.
5. ADJ - Adjust pin for setting the output voltage level.
6. COMP - Compensation pin for loop stability.
7. NC - No connection (not used).
The device operates with a wide input voltage range and offers features such as thermal shutdown and current limiting, making it suitable for various applications requiring efficient power regulation.

Manufacturer

The LM2674MX-ADJ is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments is renowned for designing and producing semiconductors and various integrated circuits, including analog and mixed-signal devices. Founded in 1930, the company has a strong focus on innovation and has become a significant player in the electronics industry, serving sectors such as automotive, industrial, consumer electronics, and communications. TI is well-regarded for its commitment to quality and reliability in its products, contributing to its reputation as a trusted supplier in the semiconductor market.

Application

The LM2674MX-ADJ is a versatile step-down voltage regulator used in various applications, including battery-powered devices, consumer electronics, and automotive systems. It is suitable for powering microcontrollers, sensors, and communication devices, providing efficient voltage conversion for portable applications. Additionally, it is used in power supplies for industrial equipment and LED drivers, where stable and adjustable output voltage is essential.

Equivalent

Equivalent products to the LM2674MX-ADJ include the LM2596, LM2576, and LM2675 voltage regulators. These alternatives provide similar adjustable voltage outputs and can handle comparable load currents. For more specific requirements, consider devices like the TPS54331 or the LT1083, which also offer adjustable outputs and are suitable for various applications. Always check the specifications to ensure compatibility.

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