LM2675M-ADJ/NOPB

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LM2675M-ADJ/NOPB

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LM2675 SIMPLE SWITCHER 6.5V TO 4

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Especificações

Atributo Valor
Package / Case Bulk
Series SIMPLE SWITCHER®
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 6.5V
Voltage - Input (Max) 40V
Voltage - Output (Min/Fixed) 1.21V
Voltage - Output (Max) 37V
Current - Output 1A
Frequency - Switching 260kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

Visão Geral

Description

The LM2675M-ADJ/NOPB is a high-efficiency, step-down voltage regulator from Texas Instruments. It is part of the Simple Switcher family, designed to provide efficient power conversion with a wide input voltage range from 8V to 40V. This adjustable version allows output voltage regulation from 1.21V to 37V, accommodating a variety of applications.
The device features a fixed 260 kHz switching frequency, enabling compact and cost-effective designs with fewer external components. It can deliver up to 1A of output current, making it suitable for powering a wide range of load requirements. The LM2675M-ADJ/NOPB also includes built-in thermal shutdown, current limiting, and frequency foldback for enhanced reliability and protection.
This regulator is housed in a TO-263 surface-mount package, which aids in heat dissipation. With its high efficiency and easy-to-use design, the LM2675M-ADJ/NOPB is ideal for applications in telecommunications, industrial systems, battery-powered devices, and distributed power systems where space and energy efficiency are critical.

Equivalent

The LM2675M-ADJ/NOPB is a National Semiconductor (now Texas Instruments) step-down voltage regulator. Equivalent products include:
1. LM2675-ADJ: A similar adjustable version.
2. LM2595: Another adjustable regulator with similar specifications.
3. L4971: From STMicroelectronics, also a step-down regulator.
4. MC34063: A versatile regulator, but often requires more external components.
5. MC33063: Similar to MC34063 with slight enhancements.
Ensure to check detailed specifications for compatibility.

Features

The LM2675M-ADJ/NOPB is a step-down voltage regulator from Texas Instruments. Key features include:
1. Adjustable Output Voltage: Allows for flexibility in setting the desired output voltage.
2. High Efficiency: Capable of delivering efficiencies up to 96%.
3. Wide Input Voltage Range: Operates effectively with input voltages from 8V to 40V.
4. Output Current: Supports up to 1A of output current.
5. Fixed Frequency Operation: Functions at a 260 kHz switching frequency, which simplifies the design of the output filter.
6. Thermal Shutdown and Current Limiting: Designed to protect the device from overheating and excessive current.
7. Minimal External Components: Requires few additional components, simplifying the design process.
8. Low Output Ripple Voltage: Produces a stable output with minimal noise.
9. Soft Start Capability: Reduces inrush current during startup.
This makes the LM2675M-ADJ/NOPB suitable for applications requiring efficient step-down regulation, such as power management in battery-powered devices, distributed power systems, and other consumer electronics.

Pinout

The LM2675M-ADJ/NOPB is a step-down (buck) voltage regulator from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of the LM2675 is to step down a higher input voltage to a stable, lower output voltage with high efficiency. It features an adjustable output voltage, which can be set using external resistors. The typical functions of its pins are as follows:
1. Vin: Input supply voltage.
2. GND: Ground connection.
3. SW: Switch pin connected to the inductor.
4. FB: Feedback pin for setting the output voltage.
5. ON/OFF: Enable pin to turn the regulator on or off.
6. NC: No connection (not electrically connected internally).
7. & 8. NC or additional associated functions: Depending on the specific variant and design, these may also be no connection or have specific uses like thermal or electromagnetic interference considerations.
The LM2675M-ADJ/NOPB is known for its high efficiency, low standby current, and ease of use in various power management applications.

Manufacturer

The LM2675M-ADJ/NOPB is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company headquartered in Dallas, Texas. It is one of the top semiconductor companies globally, specializing in the design and manufacture of semiconductors and various integrated circuits. TI's products are used in a wide range of applications, including industrial, automotive, personal electronics, and communications equipment. The company is well-known for its innovations in analog technology, digital signal processing, and microcontroller solutions.

Application

The LM2675M-ADJ/NOPB is a step-down voltage regulator used in various applications requiring efficient power conversion. Its application areas include:
1. Power Supply Solutions: Ideal for converting higher input voltages to lower output voltages in power supply designs.
2. Consumer Electronics: Used in devices like TVs, audio equipment, and gaming consoles for voltage regulation.
3. Industrial Equipment: Provides stable power in machinery and control systems.
4. Telecommunications: Supports power management in networking devices and infrastructure.
5. Automotive: Suitable for in-vehicle electronics requiring reliable voltage regulation.
6. Battery-Powered Devices: Enhances battery life by efficiently managing power distribution.
These applications benefit from its high efficiency, adjustable output, and thermal shutdown features.

Package

The LM2675M-ADJ/NOPB is a step-down voltage regulator from Texas Instruments. It comes in a surface-mount package type known as SOIC-8 (Small Outline Integrated Circuit with 8 pins). This package is designed for efficient thermal performance and compactness, making it suitable for a variety of applications in electronics.

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