TPS40140RHHT - Texas Instruments

Manufacturer Part Number

TPS40140RHHT

Manufacturer

Texas Instruments

Introduction

The TPS40140RHHT is a dual-output, synchronous step-down controller designed for high-performance power conversion.

Product Features and Performance

Step-Down (Buck) regulator topology

Dual output channels with two-phase operation

Supports Voltage-Mode Control with input voltage range of 4.5V to 15V

Switching frequency adjustable from 150kHz to 1MHz

Maximum duty cycle of 87.5%

Incorporates synchronous rectification for improved efficiency

Includes features like Current Limit, Frequency Control, Phase Control, Power Good, Tracking

Product Advantages

High integration for simplified design

Configurable switching frequency for design flexibility

Synchronous rectification for enhanced efficiency

Operational temperature range suited for industrial applications

Dual-phase operation can provide better output voltage regulation and reduced stress on input sources

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Number of Outputs: 2

Output Phases: 2

Voltage - Supply: 4.5V ~ 15V

Frequency - Switching: 150kHz ~ 1MHz

Duty Cycle (Max): 87.5%

Synchronous Rectifier: Yes

Operating Temperature: -40°C ~ 85°C (TA)

Mounting Type: Surface Mount

Package / Case: 36-VFQFN Exposed Pad

Supplier Device Package: 36-VQFN (6x6)

Quality and Safety Features

Built-in protection features such as overcurrent limitation

Thermal shutdown mechanism

Designed for rigorous industrial standards

Compatibility

Compatible with surface mount technology (SMT)

Suitable for 36-VQFN (6x6) footprint

Application Areas

Telecommunications

Server and Storage systems

Networking equipment

Industrial and Automotive electronics

Product Lifecycle

Product Status: Not For New Designs

Advisory for obsolescence and potential replacement models

Several Key Reasons to Choose This Product

Efficient power management for dual rail systems

Flexibility in frequency synchronization optimizing power density and EMI

Robust thermal performance enhancing system reliability

Texas Instruments' reputation for high-quality power components

Broad compatibility with various industrial and computing applications