LM2575HVS-3.3 - Texas Instruments

Manufacturer Part Number

LM2575HVS-3.3

Manufacturer

Texas Instruments

Introduction

The LM2575HVS-3.3 is a SIMPLE SWITCHER® series integrated circuit (IC) designed for power management, specifically as a DC-DC switching voltage regulator. Its main function is to step down input voltage to a lower fixed output voltage with high efficiency.

Product Features and Performance

Efficient voltage step-down (buck) configuration

Fixed output voltage of 3.3V

Capable of delivering up to 1A output current

Operates over a wide input voltage range from 4V to 60V

Features a switching frequency of 52kHz

Non-synchronous rectifier design

Operates across a wide temperature range from -40°C to 125°C

Surface mount TO-263-6, D2PAK package for easier integration into designs

Product Advantages

High efficiency reduces thermal footprint and improves system reliability

Wide input voltage range supports varied applications from low to high voltage inputs

Simple external circuitry simplifies design and reduces component count

Fixed output voltage ensures consistent performance for 3.3V powered devices

Key Technical Parameters

Input Voltage (Min): 4V

Input Voltage (Max): 60V

Output Voltage (Fixed): 3.3V

Current - Output: 1A

Switching Frequency: 52kHz

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Built-in thermal and current overload protection enhances safety and reliability

Robust design ensures long-term reliability even in demanding conditions

Compatibility

Compatible with various types of circuits and applications requiring a fixed 3.3V supply

Easier integration thanks to surface mount TO-263 packaging

Application Areas

Power supply circuits for consumer electronics

Automotive applications requiring efficient power conversion

Industrial control systems

Telecommunications equipment

Product Lifecycle

Obsolete - This particular model has been marked obsolete, indicating the halt in production and direct support

Replacement or upgrade options may be available through Texas Instruments for projects requiring newer or alternative solutions

Several Key Reasons to Choose This Product

Highly efficient and reliable step-down voltage regulator

Suitable for a diverse range of applications due to a wide input voltage range and fixed 3.3V output

Ease of use with minimal external components required for operation

Robust design with integrated protections enhances safety and longevity

Though marked obsolete, suitable for legacy systems or projects where specifications precisely match requirements