LM43603QPWPRQ1 - Texas Instruments

Manufacturer Part Number

LM43603QPWPRQ1

Manufacturer

Texas Instruments

Introduction

The LM43603QPWPRQ1 is a highly efficient, automotive-grade, adjustable output step-down (buck) regulator from Texas Instruments, designed to convert higher DC voltage to a lower DC voltage with a high level of accuracy and reliability.

Product Features and Performance

Adjustable output voltage from 1V to 28V

Supports input voltage range from 3.5V to 36V

Capable of delivering up to 3A of output current

Wide switching frequency range from 200kHz to 2.2MHz

Incorporates synchronous rectification for improved efficiency

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

Designed with the SIMPLE SWITCHER® ease-of-use architecture

Available in a compact 16-PowerTSSOP package

Product Advantages

High efficiency reduces thermal footprint and power losses

Flexibility in input voltage supports a wide range of applications

The adjustable output voltage allows for use in various circuits without the need for additional components

High switching frequency enables the use of smaller external components

AEC-Q100 qualification ensures automotive-grade reliability and performance

Key Technical Parameters

Voltage - Input (Min): 3.5V

Voltage - Input (Max): 36V

Voltage - Output (Min/Fixed): 1V

Voltage - Output (Max): 28V

Current - Output: 3A

Frequency - Switching: 200kHz ~ 2.2MHz

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Automotive-grade design meeting AEC-Q100 standards

Built-in thermal shutdown and overcurrent protection

Robust against reverse polarity and voltage transients

Compatibility

Suitable for use with a wide range of input sources and load conditions

Applicable in automotive and industrial power systems

Application Areas

Automotive electronics

Industrial power supplies

Battery-powered equipment

Telecommunications infrastructure

Product Lifecycle

Not For New Designs, indicating that it may be nearing the end of its production lifecycle

Potential buyers should consider the availability of replacements or upgrades

Several Key Reasons to Choose This Product

High efficiency and flexibility suitable for a variety of power conversion applications

SIMPLE SWITCHER® ease-of-use facilitates quick and reliable circuit design

Automotive qualification (AEC-Q100) guarantees robustness and performance in harsh environments

Support for wide input and output voltage ranges provides versatility in application

Compact package and high switching frequency enable space-efficient designs