LM2853MHX-1.5/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2853MHX-1.5/NOPB is a fixed-output synchronous buck regulator from Texas Instruments, delivering a stable 1.5 V output with a maximum load current of 3 A. Operating at a switching frequency of 550 kHz, it integrates power MOSFETs for high efficiency in compact designs. The device supports an input voltage range of 2.95 V to 5.5 V and functions within an ambient temperature range of -40°C to +125°C. Packaged in a thermally enhanced HTSSOP-16 (MH) footprint, it includes internal compensation and protection features such as cycle-by-cycle current limiting and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification with internal high-side and low-side power MOSFETs to maximize conversion efficiency.
• Utilizes constant-frequency PWM control architecture with integrated error amplifier and compensation network.
• Incorporates comprehensive protection mechanisms including cycle-by-cycle current limiting, thermal shutdown, and soft-start functionality.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for portable electronics and battery-powered devices
• Power supply stages for embedded processors and digital logic circuits
• Industrial control systems requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'X' indicates tape-and-reel packaging configuration. Confirm the 'NOPB' designation ensures compliance with RoHS directives and absence of lead-based materials. Cross-reference the manufacturer part number against official datasheets to ensure compatibility with required thermal management solutions and PCB layout guidelines.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.5 V rail is required with up to 3 A continuous load capability. It is suitable for applications prioritizing board space reduction through integrated power switches. Ensure the input voltage remains within the specified 2.95 V to 5.5 V window to maintain proper regulation and stability margins.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SIMPLE SWITCHER family of synchronous buck regulators. It shares architectural similarities with other variants in the series but is distinguished by its fixed 1.5 V output voltage and specific thermal package design. The family targets applications demanding high power density and simplified design implementation without external feedback resistors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2853MH-1.5/NOPB: Pin-compatible alternative in tube packaging.