LM536353QRNLRQ1 - Texas Instruments

Manufacturer Part Number

LM536353QRNLRQ1

Manufacturer

Texas Instruments

Introduction

The LM536353QRNLRQ1 is a high-performance step-down (buck) voltage regulator suitable for automotive and other applications requiring efficient power management.

Product Features and Performance

Step-Down Buck Regulator

Positive Output Configuration

Fixed Output Voltage

Single Output Channel

High-Efficiency Synchronous Rectification

1MHz Switching Frequency

Able to operate from 3.9V to 36V Input Voltage Range

Delivers a Fixed 3.3V Output at 3.5A

Supports high-temperature operation up to 150°C (TJ)

Surface Mount, Wettable Flank package for enhanced solderability

AEC-Q100 Qualified for Automotive Use

Product Advantages

Optimized for low-voltage applications

Fast transient response and stable operation

Thermal and current limits for enhanced reliability

Small 22-VFQFN package saves PCB space

Wettable Flanks feature allows for optical inspection, enhancing quality control

High switching frequency enables small external components

Key Technical Parameters

Input Voltage (Min): 3.9V

Input Voltage (Max): 36V

Output Voltage (Min/Fixed): 3.3V

Current - Output: 3.5A

Frequency - Switching: 2.1MHz

Quality and Safety Features

Overtemperature Protection

Overcurrent Protection

AEC-Q100 Certification

Automotive Grade Quality

Compatibility

Compatible with high-frequency operations

Works with a wide input voltage range

Suitable for standard surface mount technology assembly processes

Can be used in systems requiring low voltage power supply

Application Areas

Automotive electronics

Industrial power supplies

Networking and telecommunications equipment

Portable and battery-powered devices

Product Lifecycle

Active Status

Not close to discontinuation

Replacements or upgrades are not mentioned but can be verified with manufacturer for long-term availability

Several Key Reasons to Choose This Product

High-temperature operational capability meeting stringent automotive standards

High-frequency operation allowing for reduced size of inductors and capacitors, thereby saving PCB space

Voltage regulation precision suitable for sensitive electronics

Texas Instruments’ reputation for quality and reliability in power management technology

The integration of synchronous rectification for improved efficiency

Designed for rugged automotive environments with AEC-Q100 grade quality assurance