TPS40303DRCR - Texas Instruments

Manufacturer Part Number

TPS40303DRCR

Manufacturer

Texas Instruments

Introduction

The TPS40303DRCR is a step-down buck DC DC switching controller designed for efficient power management and voltage regulation.

Product Features and Performance

Functions as a step-down (buck) controller

Features synchronous rectification for improved efficiency

Supports a wide input voltage range from 3V to 20V

Adjustable frequency switching at 300kHz

Maximum duty cycle of 90%

Incorporates control features including enable, power good, and soft start

Product Advantages

High efficiency due to synchronous rectifier

Wide input voltage range suitable for various applications

Soft start function minimizes inrush current during startup

Compact 10-VFDFN exposed pad package for space-sensitive applications

Key Technical Parameters

Output Type: Transistor Driver

Output Configuration: Positive

Topology: Buck

Number of Outputs: 1

Output Phases: 1

Voltage Supply (Vcc/Vdd): 3V ~ 20V

Frequency Switching: 300kHz

Duty Cycle (Max): 90%

Quality and Safety Features

Operating Temperature range of -40°C to 125°C ensuring reliability under extreme conditions

Compatibility

Mounting Type: Surface Mount

Package / Case: 10-VFDFN Exposed Pad

Supplier Device Package: 10-VSON (3x3)

Application Areas

Ideal for Power Management in consumer electronics, industrial systems, and telecom infrastructure

Product Lifecycle

Current Product Status: Active

Not nearing discontinuation with availability of replacements or upgrades

Several Key Reasons to Choose This Product

Efficient power conversion reducing thermal load

Wide input voltage accommodates various power sources

Synchronous rectification enhances overall efficiency

Compact and reliable design suitable for high-density applications

Built-in safety and control features support robust performance