TPS54377RHFR

Voltage Regulators - DC DC Switching Regulators Overview

The TPS54377RHFR is a synchronous step-down DC/DC converter from Texas Instruments, featuring the SWIFT topology. It operates with an input voltage range of 3 V to 6 V and delivers up to 3 A output current. The device integrates a 1.6 MHz switching frequency and offers adjustable output voltage starting from 0.891 V. Packaged in a 24-pin VQFN with an exposed pad, it supports operation between -40°C and +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel MOSFETs for efficient synchronous rectification
• Utilizes SWIFT topology to minimize external component count and solution size
• Includes programmable soft-start and cycle-by-cycle current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for digital signal processors
• Power supply stages for embedded microcontrollers
• Industrial control system power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix RHFR against the manufacturer's latest datasheet to confirm package dimensions and tape-and-reel specifications. Ensure compatibility with RoHS directives and check for any product discontinuation notices or lifecycle status updates prior to finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, high-efficiency solution is required for 3V to 6V input systems. The fixed 1.6 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider thermal performance due to the exposed pad design and ensure adequate PCB copper area for heat dissipation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS54317 family of SWIFT converters. It shares architectural similarities with other members like the TPS54317, offering comparable control features but potentially differing in pinout or specific electrical limits. The family targets applications requiring small form factors and high integration levels.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include TPS54317RHFR and TPS54377RHFT. Verify pin-to-pin compatibility and thermal characteristics before substitution.