TPS546C20ARVFT - Texas Instruments

Manufacturer Part Number

TPS546C20ARVFT

Manufacturer

Texas Instruments

Introduction

The TPS546C20ARVFT is a highly efficient step-down voltage regulator within the power management integrated circuit (PMIC) category, designed for various applications requiring a DC-DC conversion.

Product Features and Performance

Step-down (buck) regulator

Adjustable output voltage

Single output

High current capability of up to 35A

Switching frequency range from 200kHz to 1MHz

Synchronous rectification for improved efficiency

Supports a wide input voltage range from 4.5V to 18V

Capable of delivering an output voltage ranging from 0.35V to 5.5V

Designed for surface mount technology (SMT)

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

Product Advantages

Integrated MOSFETs for reduced external component count

High efficiency leads to less power loss and lower heat generation

Flexible switching frequency allows optimization for efficiency or size

Synchronous rectification offers improved power efficiency compared to asynchronous designs

Robust thermal performance enhances reliability

Key Technical Parameters

Input Voltage (Min): 4.5V

Input Voltage (Max): 18V

Output Voltage (Min/Fixed): 0.35V

Output Voltage (Max): 5.5V

Current - Output: 35A

Frequency - Switching: 200kHz ~ 1MHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over-current protection

Thermal shutdown protection

Under voltage lockout (UVLO)

Lead-free and RoHS compliant

Compatibility

Compatible with a wide range of input voltages

Suitable for applications requiring voltage regulation of 5.5V or less

Application Areas

Computing systems

Networking equipment

Telecommunication infrastructure

Industrial applications

Gaming consoles

Product Lifecycle

Active product status, not nearing discontinuation

Availability of replacements or upgrades

Several Key Reasons to Choose This Product

High current capacity suitable for demanding applications

Flexible and high-frequency operation allowing for small external components

Proven reliability in variable temperature conditions

Easy integration due to surface-mount LQFN packaging

Robust power solution from a reputable manufacturer, Texas Instruments

Comprehensive set of safety features ensures long-term stability

Inclusion in Texas Instruments' Power Management portfolio ensures ongoing support and development