TPS54327DDAR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS54327DDAR is a synchronous step-down DC-DC converter from Texas Instruments, operating within an input voltage range of 4.5V to 18V. It delivers a continuous output current of 3A with an adjustable output voltage spanning from 0.76V to 7V. The device utilizes D-CAP2™ mode control architecture and operates at a fixed switching frequency of 700kHz. It features Eco-mode™ for enhanced light-load efficiency and includes comprehensive protection mechanisms such as thermal shutdown and overcurrent protection. The component is housed in an 8-pin PowerSOIC package with a thermal pad.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side power MOSFETs for efficient synchronous rectification
• Employs D-CAP2™ adaptive on-time control for stable operation without external compensation
• Features Eco-mode™ technology to minimize quiescent current during light loads
• Includes integrated soft-start and precise cycle-by-cycle current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supply stages for embedded computing systems
• Battery-powered portable devices requiring efficient voltage conversion
• Telecommunications infrastructure power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DDAR' corresponds to the 8-PowerSOIC package and tape-and-reel packaging configuration. Confirm that the design complies with the specified thermal requirements for the PowerPAD package. Ensure compatibility with the 4.5V to 18V input range for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 3A output capability is required within a compact 8-pin footprint. It is suitable for designs needing a fixed 700kHz switching frequency to simplify filter design. Consider this part for applications prioritizing low component count due to the integrated D-CAP2™ control scheme and lack of need for external compensation networks.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the TPS5432x family of SWIFT converters. It shares architectural similarities with other members like the TPS54329 but differs in specific electrical characteristics and feature sets. The TPS54327DDAR specifically targets general-purpose buck conversion needs where moderate current and wide input voltage ranges are essential.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-to-pin replacements within the same series include TPS54329DDAR. Designers should verify differences in switching frequency and static current specifications before substituting.