LM2853MH-2.5

Voltage Regulators - DC DC Switching Regulators Overview

The LM2853MH-2.5/NOPB is a synchronous buck regulator manufactured by Texas Instruments, designed for high-efficiency power conversion in compact applications. It delivers a fixed 2.5 V output with a maximum load current of 3 A. The device operates from an input voltage range of 3 V to 5.5 V and integrates a 550 kHz switching frequency to minimize external component size. Housed in a 14-pin TSSOP package, it supports operation across an extended temperature range of -40°C to +125°C, ensuring reliability in demanding environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for enhanced efficiency and reduced external component count
• Features a fixed 550 kHz switching frequency to optimize inductor and capacitor sizing
• Includes internal soft-start circuitry to limit inrush current during startup
• Provides comprehensive protection mechanisms including overcurrent, thermal, and UVLO

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient step-down regulation
• Industrial control systems operating within wide temperature ranges
• Battery-powered devices needing stable low-voltage power rails
• Embedded systems utilizing microcontrollers or DSPs with 2.5 V logic levels

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number includes the /NOPB suffix to ensure compliance with RoHS directives and lead-free manufacturing standards. Confirm that the TSSOP-14 package variant matches your PCB footprint requirements. Ensure input voltage sources remain within the specified 3 V to 5.5 V range to prevent operational faults. Check for updated datasheet revisions regarding thermal pad soldering recommendations.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.5 V output is required with up to 3 A load capability. The integrated synchronous design reduces solution size compared to non-synchronous alternatives. Consider the 550 kHz frequency trade-off between component size and electromagnetic interference. Verify thermal performance under maximum load conditions given the TSSOP package constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2853 family of synchronous buck regulators from Texas Instruments. It shares architectural similarities with other members like the LM2853MHX-1.2 but differs in fixed output voltage configuration. The family targets applications requiring high efficiency and compact footprints in portable and industrial sectors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2853MH-2.5/NOPB serves as the lead-free replacement for the older LM2853MH-2.5 variant. Ensure compatibility with existing PCB layouts when substituting, as pin configurations remain consistent. Verify that thermal management strategies align with the specific package thermal characteristics.