TPS543C20ARVFR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS543C20ARVFR is a synchronous step-down DC/DC converter from Texas Instruments. It supports an input voltage range of 4.5 V to 18 V and delivers up to 20 A of output current. The device features adjustable output voltage from 0.6 V to 5.5 V with a single output configuration. Operating frequencies are selectable between 300 kHz and 2 MHz. It utilizes a 40-PowerLFQFN package (7x5 mm) for surface mount installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency
• Adjustable switching frequency for optimization
• Compact PowerLFQFN footprint design

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for processors
• Industrial equipment power distribution
• Communication infrastructure systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'A' against the manufacturer datasheet to confirm temperature grade or material specifications. Ensure the 40-LQFN-CLIP package dimensions match the PCB layout requirements. Cross-reference the official documentation for any recent PCN updates regarding assembly sites or component changes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 20 A buck converter is required within an 18 V input limit. Consider the SWIFT architecture benefits for transient response. Evaluate thermal performance based on the 40-pin QFN package size and ambient operating conditions relative to the 20 A load requirement.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS543x20 series of SWIFT synchronous buck converters. It shares architectural similarities with the TPS543B20 but differs in current rating and specific feature sets. The series targets applications requiring high current density and fast transient response in compact form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The TPS543B20RVFR is a related model within the same family, offering 25 A output capability. Verify if the higher current rating of the B-series variant fits the application constraints or if the C-series 20 A specification is sufficient.