LM2671M-ADJ

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LM2671M-ADJ

IC REG BUCK ADJ 500MA 8SOIC

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  • Fr. Teil #LM2671M-ADJ
  • Paket 8-SOIC
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Spezifikationen

Package Bulk,Tube
Series SIMPLE SWITCHER®
ProductStatus Not For New Designs
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 6.5V
Voltage-Input(Max) 40V
Voltage-Output(Min/Fixed) 1.21V
Voltage-Output(Max) 37V
Current-Output 500mA
Frequency-Switching 260kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The LM2671M-ADJ is a versatile adjustable step-down (buck) voltage regulator by Texas Instruments. It is part of the SIMPLE SWITCHER® series, designed to provide high-efficiency power conversion with minimal external components. This regulator can deliver up to 1A of output current, making it suitable for a range of applications including battery-powered devices and distributed power systems.
The LM2671M-ADJ features an adjustable output voltage, typically ranging from 1.21V to 37V, allowing for flexibility in various designs. It operates at a fixed frequency of 260 kHz, which enables the use of small, low-cost inductors and capacitors, reducing overall system size and cost. The device integrates essential features such as thermal shutdown, current limiting, and a wide input voltage range (8V to 40V), ensuring robust performance and reliability.
The package type, "M," refers to the SOIC-8 package, which offers compactness for space-constrained applications. Additionally, the LM2671 is known for its ease of use, featuring a simple design process facilitated by comprehensive application notes and design tools provided by Texas Instruments. This makes it an ideal choice for engineers looking for a dependable buck regulator solution.

Features

The LM2671M-ADJ is a versatile step-down voltage regulator known for its efficiency and ease of use. Key features include:
1. Adjustable Output Voltage: It allows for a wide output voltage range, adjustable from 1.21V to 37V using external resistors.

2. High Efficiency: Capable of achieving up to 92% efficiency, optimizing power consumption.
3. Output Current: It can deliver up to 1A of output current, suitable for various applications.
4. Switching Frequency: Operates at a fixed frequency of 260 kHz, which helps in reducing output voltage ripple and in minimizing external component size.
5. Wide Input Voltage Range: Accepts input voltages from 8V to 40V, providing flexibility for different power sources.
6. Protection Features: Includes features like current limiting, thermal shutdown, and short-circuit protection, enhancing reliability and safety.
7. Minimal External Components: Designed to require only a few external components, simplifying circuit design and reducing board space.
These features make the LM2671M-ADJ suitable for applications in power management systems, consumer electronics, and industrial equipment.

Package

The LM2671M-ADJ is a voltage regulator from Texas Instruments, and it typically comes in an SOIC-8 (Small Outline Integrated Circuit) package. This package is a surface-mount type that is compact and suitable for various applications requiring adjustable voltage regulation.

Pinout

The LM2671M-ADJ is a step-down voltage regulator with adjustable output in a surface-mount package. It features an 8-pin SOIC (Small Outline Integrated Circuit) package. The functions of the pins are as follows:
1. SW (Switch Output): Connects to the output inductor; main switch node.
2. VIN (Input Voltage): Supplies input voltage to the regulator.
3. FB (Feedback): Senses the output voltage to regulate it to the desired level.
4. ON/OFF: Enables or disables the regulator output.
5. GND (Ground): Common ground reference for the circuit.
6. BOOST: Connects to an external capacitor to improve efficiency.
7. NC (No Connection): Typically no internal connection; may be used for mechanical support.
8. NC (No Connection): Same as above.
The LM2671M-ADJ is suitable for applications requiring a step-down conversion with adjustable output. The output voltage is set using external resistors connected to the FB pin.

Manufacturer

The LM2671M-ADJ is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company headquartered in Dallas, Texas. It is known for designing and manufacturing semiconductors and integrated circuits, which are used in a wide range of electronic applications. TI is a major player in the electronics industry, providing products and solutions that serve sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI's portfolio includes analog chips, digital signal processors, microcontrollers, and education technology, among others. The company is recognized for its innovation and has a global presence with manufacturing facilities, design centers, and sales offices around the world.

Application

The LM2671M-ADJ is a step-down voltage regulator used in various applications including power management for consumer electronics, industrial systems, automotive electronics, and communication devices. Its ability to deliver up to 1A with adjustable output makes it suitable for powering microcontrollers, sensors, and other embedded systems. Additionally, it is utilized in battery-powered devices due to its high efficiency and low standby current.

Equivalent

The LM2671M-ADJ is a step-down voltage regulator. Equivalent products include:
1. LM2596-ADJ
2. LM2576-ADJ
3. MC34063A (with additional components for similar functionality)
4. LMR16006X
5. LT1375
6. MP1584
These alternatives vary in features like input voltage range, output current, and efficiency, so ensure compatibility with your specific application.

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