LM2574M-ADJ - Texas Instruments

Manufacturer Part Number

LM2574M-ADJ

Manufacturer

Texas Instruments

Introduction

The LM2574M-ADJ is a SIMPLE SWITCHER® step-down voltage regulator designed for power management, featuring ease of use and low component count.

Product Features and Performance

Easy to use with minimal external components

High efficiency step-down voltage regulator

Stable operation with ceramic capacitors

High current capability of 500mA

Adjustable output voltage from 1.23V to 37V

Supports wide input voltage range from 4V to 40V

Internal frequency compensation

52kHz fixed switching frequency

Thermal shutdown and current limit protection

Operating temperature range from -40°C to 125°C

Product Advantages

Simple design reduces time to market

Versatile for a wide range of applications with adjustable output

High reliability with built-in protection features

Suitable for battery-operated devices due to low power consumption

Space-saving 14-SOIC package

Key Technical Parameters

Output Configuration: Positive

Topology: Buck (Step-Down)

Number of Outputs: 1

Voltage Input (Min): 4V

Voltage Input (Max): 40V

Voltage Output (Min/Fixed): 1.23V

Voltage Output (Max): 37V

Current Output: 500mA

Frequency Switching: 52kHz

Synchronous Rectifier: No

Operating Temperature: -40°C ~ 125°C

Mounting Type: Surface Mount

Package / Case: 14-SOIC

Quality and Safety Features

Over-temperature protection

Over-current protection

Built-in thermal shutdown feature

Compatibility

Compatibility with multiple ceramic capacitor options due to stable operation

Supports a wide range of input voltages for global applications

Application Areas

Consumer Electronics

Telecommunications

Portable devices

Power supply modules

Industrial controls

Product Lifecycle

Product Status: Last Time Buy

Availability of replacements or upgrades may vary based on manufacturer's current product offerings

Several Key Reasons to Choose This Product

Reliable manufacturer with extensive support network

High efficiency for energy-saving applications

Easy to implement in designs due to reduced external components

Robust protection features enhance product longevity

Adjustable output voltage allows flexibility in design

Suitable for a wide range of working temperatures

Compact package size ideal for space-constrained applications