TPS40040DRBT - Texas Instruments

Manufacturer Part Number

TPS40040DRBT

Manufacturer

Texas Instruments

Introduction

The TPS40040DRBT is a step-down (buck) switching controller designed for Power Management Integrated Circuit (PMIC) applications, providing efficient voltage regulation with a transistor driver output.

Product Features and Performance

Step-Down (Buck) Output Configuration for efficient power conversion

Supports Synchronous Rectification for improved efficiency

Adjustable Duty Cycle up to 95%

Supports a wide Supply Voltage range from 2.25V to 5.5V

Operating Switching Frequency of 300kHz

Single Output with One Output Phase

Temperature Range of -40°C to 125°C

Supplied in 8-VDFN Exposed Pad Package for improved thermal performance

Product Advantages

High integration level reduces external components

Wide voltage range supports various applications

High efficiency due to synchronous rectification and optimized duty cycle

Robust thermal performance suitable for a wide range of operating temperatures

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 2.25V ~ 5.5V

Frequency Switching: 300kHz

Duty Cycle (Max): 95%

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Built according to Texas Instruments' rigorous quality and safety standards

Thermal and over-current protection features are integrated

Compatibility

Compatible with a broad range of external components and load conditions

Flexible in various power management applications due to its adjustable features

Application Areas

Portable electronics

Networking equipment

Office automation machines

Power supplies for various electronic devices

Product Lifecycle

Currently Active, indicating ongoing manufacture and support

Not near discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Texas Instruments' reputation for quality and reliability

Broad compatibility with various power system designs

High efficiency and performance for power-sensitive applications

Flexible design options facilitated by adjustable parameters

Strong support and documentation available from Texas Instruments