LM2598S-3.3 - Texas Instruments

Manufacturer Part Number

LM2598S-3.3

Manufacturer

Texas Instruments

Introduction

The LM2598S-3.3 is part of the SIMPLE SWITCHER® series of power management integrated circuits, designed for voltage regulation.

Product Features and Performance

Buck regulator topology for step-down voltage conversion

Fixed output voltage of 3.3 volts

A single regulated output channel

Can handle input voltages between 4.5V and 40V

Capable of delivering 1A output current

150kHz switching frequency for a balance of efficiency and component size

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

Surface mount package for PCB integration

Product Advantages

High-reliability SIMPLE SWITCHER® series

Broad input voltage range suitable for various applications

The fixed output simplifies the design process

High-temperature operation suitable for industrial environments

Key Technical Parameters

Output Configuration: Positive

Topology: Buck (Step-Down)

Output Type: Fixed

Number of Outputs: 1

Voltage - Input (Min): 4.5V

Voltage - Input (Max): 40V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 1A

Frequency - Switching: 150kHz

Synchronous Rectifier: No

Quality and Safety Features

Built to withstand harsh industrial temperatures

Reliability as part of Texas Instruments' trusted SIMPLE SWITCHER® line

Compatibility

Surface mount compatible with TO-263-8, D2PAK (7 Leads + Tab), TO-263CA packages

No synchronous rectification — appropriate for simpler power supply designs

Application Areas

Industrial power supplies

Consumer electronics

Automotive systems

Telecommunications equipment

Product Lifecycle

Obsolete status — potential for limited availability

Substitutions or upgrades may be necessary for new designs

Several Key Reasons to Choose This Product

Simplified design with fixed voltage output

Proven reliability from Texas Instruments' SIMPLE SWITCHER® series

Supports a wide range of input voltages for flexible use in multiple applications

Designed for thermal resilience in demanding operating conditions

Easy integration into existing circuits with a standard surface mount package