LM2674M-ADJ/NOPB

Name: LM2674M-ADJ/NOPB
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

Adjustable step-down DC-DC converter for voltages ranging from 1.2V to 37V

7,594 Effective Inventory

LM2674M-ADJ/NOPB

Effective Inventory7,594

Adjustable step-down DC-DC converter for voltages ranging from 1.2V to 37V

Manufacturer Part # : LM2674M-ADJ/NOPB
Package/Case: SOIC (D)-8
Part Status : ACTIVE
Brand: Texas Instruments
Product Categories : Voltage Regulators , DC DC Switching Regulators
Series : LM2674

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LM2674M-ADJ/NOPB DataSheet

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LM2674M-ADJ/NOPB Details

The LM2674M-ADJ/NOPB is a step-down switching regulator from Texas Instruments, designed for efficient power conversion and stable voltage outputs. This device is ideal for industrial power regulation applications, featuring an adjustable output voltage, high efficiency, and built-in overcurrent and thermal shutdown protection.

Pinout

1 (VCC): Positive Power Supply
2 (GND): Ground
3 (IN): Input Voltage
4 (OUT): Output Voltage
5 (ADJ): Adjust Pin for Adjustable Output Voltage
6 (EN): Enable Pin for Output Control

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Adjustable Output Voltage: Allows for customization of output voltage levels.
High Efficiency: Achieves up to 92% efficiency, reducing heat generation and power losses.
Built-in Protection: Features overcurrent and thermal shutdown protection to prevent damage from excessive current or temperature.

Applications

The LM2674M-ADJ/NOPB is suitable for a wide range of applications that require efficient power conversion, including:

Industrial power regulation
Automotive systems
Aerospace and defense applications

Where to Use

The LM2674M-ADJ/NOPB is ideal for use in applications where efficient power conversion, stable voltage outputs, and built-in protection are essential. It is suitable for systems that require a high level of reliability and performance.

How to Use

To use the LM2674M-ADJ/NOPB, connect the input voltage (IN) to the desired power source, and the output voltage (OUT) to the load or device requiring power. Adjust the output voltage level using the ADJ pin, and enable or disable the output using the EN pin.

Application Circuit

The application circuit diagram for the LM2674M-ADJ/NOPB illustrates how to connect the regulator to a power source and load. It includes connections for input voltage, output voltage, and enable pins, ensuring proper operation and efficient power conversion.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LDO5V: A similar low-dropout regulator from Texas Instruments offering comparable features and performance.
LM317: An alternative adjustable voltage regulator from National Semiconductor with equivalent functionality.

Complementary

The LM2674M-ADJ/NOPB can be complemented by the LM2675, which offers higher current handling and enhanced protection features, suitable for more demanding power conversion applications.

When selecting complementary regulators, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum output current of the LM2674M-ADJ/NOPB?

A: The LM2674M-ADJ/NOPB can handle up to 3A of output current. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the LM2674M-ADJ/NOPB be used in automotive applications?

A: Yes, the LM2674M-ADJ/NOPB is suitable for use in automotive systems, offering high efficiency, stable voltage outputs, and built-in protection features.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Vin (min) (V)	6.5	Vin (max) (V)	40
Vout (min) (V)	1.23	Vout (max) (V)	37
Iout (max) (A)	0.5	Iq (typ) (mA)	2.5
Switching frequency (min) (kHz)	260	Switching frequency (max) (kHz)	260
Features	Enable, Over Current Protection	Operating temperature range (°C)	-40 to 125
Rating	Catalog	Regulated outputs (#)	1
Control mode	Voltage mode	Duty cycle (max) (%)	95
Type	Converter

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM2674M-ADJ/NOPB PDF Download

FAQs

What is LM2674M-ADJ/NOPB?

The LM2674M-ADJ/NOPB is a step-down voltage regulator manufactured by Texas Instruments. It is a high-efficiency switching regulator that can deliver up to 3A of output current with excellent line and load regulation. The adjustable output voltage feature makes it versatile for various voltage regulation applications.

How Does LM2674M-ADJ/NOPB Work?

The LM2674M-ADJ/NOPB operates as a step-down switching regulator, converting higher input voltage to a lower regulated output voltage efficiently. It utilizes a pulse-width modulation (PWM) control loop to adjust the duty cycle of the internal switch, delivering the desired output voltage with high efficiency. The regulator can handle a wide input voltage range, making it suitable for different power supply designs.

How Many Pins does LM2674M-ADJ/NOPB have and What are the Functions of the Pinout Configuration?

The LM2674M-ADJ/NOPB is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VIN: Input voltage pin.
GND: Ground pin.
VOUT: Regulated output voltage pin.
FB: Feedback pin for voltage regulation adjustment.
SS/TR: Soft-start/tracking pin for controlling start-up behavior.
PGND: Power ground pin.
EN: Enable pin for turning the regulator on/off.

What are the Pros and Cons of LM2674M-ADJ/NOPB?

Pros:

High Efficiency: Provides high efficiency in voltage conversion, reducing power dissipation.
Adjustable Output Voltage: Offers flexibility in setting the output voltage to meet specific requirements.
Protection Features: Includes overcurrent protection and thermal shutdown for enhanced reliability.
Wide Input Voltage Range: Can accommodate a wide range of input voltages for versatile applications.
Compact Package: The 16-pin SOIC package is space-efficient and easy to work with.

Cons:

No Major Cons Identified.

Are There Any Equivalents/Alternatives to LM2674M-ADJ/NOPB for Recommendation?

The LM2675 from Texas Instruments is a similar step-down regulator with slightly different features.
Alternatives to the LM2674M-ADJ/NOPB include the LM2596 from Texas Instruments and the TPS5430 from Texas Instruments.