LM53635LQRNLRQ1 - Texas Instruments

Manufacturer Part Number

LM53635LQRNLRQ1

Manufacturer

Texas Instruments

Introduction

The LM53635LQRNLRQ1 is a high-performance, automotive-grade step-down (buck) regulator from Texas Instruments, specially designed for power management applications requiring a compact, efficient, and reliable voltage conversion.

Product Features and Performance

Step-down (Buck) regulator design for efficient power conversion.

Adjustable output voltage from 3.3V to 10V to support various applications.

Capable of delivering a current of up to 3.5A.

High switching frequency of 2.1MHz enabling smaller passive components.

Synchronous rectification for improved efficiency.

Supports a wide input voltage range from 3.9V to 36V.

Operates in extreme temperatures ranging from -40°C to 150°C.

Automotive grade, meeting AEC-Q100 standards.

Packaged in a 22-VFQFN, surface mount, wettable flank package for improved solder joint reliability.

Product Advantages

High efficiency and reliability suitable for automotive applications.

Broad input voltage capability accommodates fluctuating supplies.

Thermal performance enhanced by operating temperature range and design.

Compact size due to high switching frequency and package design.

Ease of integration into automotive systems with AEC-Q100 qualification.

Key Technical Parameters

Voltage Input (Min): 3.9V

Voltage Input (Max): 36V

Voltage Output (Min/Fixed): 3.3V

Voltage Output (Max): 10V

Current Output: 3.5A

Frequency Switching: 2.1MHz

Operating Temperature: -40°C ~ 150°C (TJ)

Package / Case: 22-VFQFN

Quality and Safety Features

Automotive grade reliability.

AEC-Q100 qualification ensures robust performance in automotive environments.

Compatibility

Surface Mount, Wettable Flank mounting style for reliable soldering on PCBs.

Compatible with a wide range of input voltages and adjustable output for versatility in application design.

Application Areas

Automotive electronics such as infotainment systems, ADAS, and power management systems.

Industrial and telecommunication equipment requiring efficient power conversion.

Product Lifecycle

Currently active, with no immediate plan for discontinuation.

Availability of replacements or upgrades will be announced as technology evolves.

Several Key Reasons to Choose This Product

High efficiency and compact size reduce the overall system power consumption and space requirement.

Broad voltage range supports diverse automotive and industrial applications.

High reliability and quality standards including AEC-Q100 qualification for automotive use.

Flexible application design supported by adjustable output voltage and high output current.

Enhanced safety features suitable for critical automotive systems.