TPS54339DDA - Texas Instruments

Manufacturer Part Number

TPS54339DDA

Manufacturer

Texas Instruments

Introduction

High-efficiency synchronous step-down regulator

Product Features and Performance

Efficient power conversion

Adjustable output voltage

5V to 23V input voltage range

Step-down (Buck) topology

76V to 7V adjustable output voltage

3A output current capacity

600kHz switching frequency

Synchronous rectification for improved efficiency

D-CAP2™ control mode for fast transient response

Thermal shutdown protection

Overcurrent protection

Power Good (PG) output

Product Advantages

High efficiency reduces system heat and power loss

Synchronous rectification enhances overall efficiency

Broad input voltage range accommodates various power supplies

Suitable for battery-powered applications due to low dropout

Small package size for space-constrained applications

Integrated features reduce external component count

SWIFT™ series known for performance and reliability

Key Technical Parameters

Input Voltage Min: 4.5V

Input Voltage Max: 23V

Output Voltage (Adjustable) Min: 0.76V

Output Voltage Max: 7V

Output Current: 3A

Switching Frequency: 600kHz

Operating Temperature Range: -40°C ~ 85°C

Mounting Type: Surface Mount

Package/Case: 8-PowerSOIC

Quality and Safety Features

Under-voltage lockout (UVLO)

Over-temperature protection

Short-circuit protection

Cycle-by-cycle current limiting

Compatibility

Compatible with a wide range of input voltages

Surface mount device fits standard 8-SO PowerPad footprint

Application Areas

Point of Load (POL) power supplies

Telecommunication equipment

Networking equipment

Consumer electronics

Industrial systems

Product Lifecycle

Active product with ongoing manufacturer support

Not reported as nearing discontinuation

Alternatives and next-generation parts may be available

Several Key Reasons to Choose This Product

Efficient power management for extended battery life

Highly versatile for diverse input sources and designs

Favorable for high-density power applications

Rapid response to changing loads

Reliable operation under varying environmental conditions

Cost-effective with integrated features reducing additional parts

TI's renowned support for design and implementation