TPS546C20ARVFR - Texas Instruments

Manufacturer Part Number

TPS546C20ARVFR

Manufacturer

Texas Instruments

Introduction

The TPS546C20ARVFR is a high-performance, step-down, integrated voltage regulator that operates efficiently over a wide input voltage range.

Product Features and Performance

Step-Down (Buck) topology

Adjustable output voltage

Single output channel

Supports 4.5V to 18V input voltage range

Adjustable 0.35V to 5.5V output voltage range

High output current capability up to 35A

Switching frequency from 200kHz to 1MHz

Synchronous rectification for improved efficiency

Low shutdown current and standby mode available

Thermally enhanced 40-PowerLFQFN package

Product Advantages

High-efficiency power conversion

Reduced external component count due to integrated FETs

Programmable soft start to limit inrush current

Overcurrent and overtemperature protection features for enhanced safety

Compact form factor suitable for space-constrained applications

Key Technical Parameters

Input Voltage (Min): 4.5V

Input Voltage (Max): 18V

Output Voltage (Min/Fixed): 0.35V

Output Voltage (Max): 5.5V

Output Current: 35A

Switching Frequency: 200kHz ~ 1MHz

Synchronous Rectifier: Yes

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

Mounting Type: Surface Mount

Package / Case: 40-PowerLFQFN

Supplier Device Package: 40-LQFN-CLIP (7x5)

Quality and Safety Features

Built-in overcurrent protection (OCP)

Overtemperature protection (OTP)

Under voltage lockout (UVLO)

Thermal shutdown feature

Compatibility

Compatible with a broad range of input sources and output loads

Suitable for use in power sequencing applications

Application Areas

Servers and data centers

Telecommunications equipment

Networking devices

Storage systems

Industrial power supplies

High-performance computing applications

Product Lifecycle

Status: Active

Not currently near discontinuation

Replacements or upgrades may be available as newer technologies emerge

Several Key Reasons to Choose This Product

Efficient power management for high current applications

Wide input voltage range suitable for various power environments

Highly scalable with programmable frequency for system optimization

Robust thermal performance with QFN package and integrated heat sink

Multiple protection features ensure long-term system reliability

Industry-leading manufacturer with proven track record in power management solutions