LM2655MTCX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2655MTCX-ADJ/NOPB is a synchronous step-down switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 4 V to 14 V and provides an adjustable output voltage from 1.238 V to 13 V. The device delivers a maximum output current of 2.5 A through a single output channel. It functions at a switching frequency of approximately 300 kHz to 330 kHz. The component supports operation within a junction temperature range of -40°C to +125°C and features a shutdown function for power management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel MOSFETs for efficient synchronous rectification
• Supports adjustable output voltage via external resistor network
• Includes internal compensation for stable loop performance
• Features thermal shutdown protection for enhanced reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Power supply stages for industrial control equipment
• Voltage conversion for communication infrastructure modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as Texas Instruments, as National Semiconductor was acquired. Confirm the suffix NOPB indicates lead-free and RoHS compliance. Ensure the package type matches the required 16-TSSOP footprint. Check datasheet revisions for any updates to electrical characteristics or recommended operating conditions before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting 4 V to 14 V inputs to lower voltages up to 13 V. The 2.5 A current capability suits moderate load applications. Consider the 16-TSSOP package constraints for PCB layout. Verify that the 300 kHz switching frequency aligns with electromagnetic interference requirements and inductor selection criteria for the specific design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2655 family of high-efficiency synchronous buck converters. It is designed to replace older non-synchronous regulators in space-constrained designs. The device integrates power switches to reduce external component count compared to discrete solutions. It serves as a key power management integrated circuit for applications requiring high efficiency and small form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2651MTCX-ADJ/NOPB offers similar functionality but with a lower 1.5 A output current rating. LM2650M-ADJ/NOPB provides higher current capacity but utilizes a different SOIC-24 package and wider input voltage range.