TPS54239DDA

Voltage Regulators - DC DC Switching Regulators Overview

The TPS54239DDA is a synchronous step-down DC/DC converter from Texas Instruments, housed in an 8-pin SO-PowerPAD package. It operates with an input voltage range of 4.5 V to 23 V and delivers up to 2 A of output current. The adjustable output voltage spans from 760 mV to 7 V. Key electrical parameters include a fixed switching frequency of 600 kHz, a typical quiescent current of 3 µA, and an operating supply current of 600 µA. The device supports an operating temperature range from -40 °C to +85 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates D-CAP2 control architecture for stable operation with low-ESR ceramic capacitors without requiring external compensation networks.
• Features a highly efficient synchronous buck topology that integrates high-side and low-side power switches to minimize conduction losses.
• Includes a shutdown mode that reduces quiescent current to approximately 3 µA, facilitating extended battery life in portable applications.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Power supplies for embedded computing systems
• Battery-powered consumer electronics requiring efficient voltage conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DDA' corresponds to the tube packaging format rather than tape-and-reel variants like 'DDAR'. Confirm RoHS compliance status through the official datasheet or manufacturer documentation prior to integration. Ensure thermal management strategies account for the PowerPAD thermal pad requirements specified in the package outline drawings.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 2 A output capability is required within a 23 V maximum input constraint. The 600 kHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the D-CAP2 stability benefits if minimizing external component count is a priority. Verify that the required output voltage falls within the 760 mV to 7 V adjustment range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS54239 family of SWIFT converters. It shares architectural similarities with other members of the series but is distinctively rated for 2 A output current. The DDA suffix indicates a specific surface-mount package variant designed for automated assembly processes.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official TI substitution guides for verified equivalents. Cross-reference pinouts and thermal characteristics carefully when considering alternative regulators from other manufacturers.