LM2671MX-5.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2671MX-5.0/NOPB is a high-efficiency 500mA step-down voltage regulator from the SIMPLE SWITCHER family by Texas Instruments. It operates as a buck converter with a fixed 5V output and a maximum input voltage of 40V. The device features an integrated power switch, a switching frequency of 260kHz, and supports outputs ranging from 1.21V to 37V in adjustable variants. It functions within a temperature range of -40°C to +125°C and utilizes an 8-SOIC surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a monolithic power switch for simplified design
• Includes internal frequency compensation for stable operation
• Supports remote sense capability for improved load regulation

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load DC/DC conversion modules
• General-purpose step-down voltage regulation
• Battery-powered equipment power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) against the manufacturer datasheet to confirm RoHS compliance and pinout compatibility. Ensure the ordering part number matches the required output voltage configuration. Cross-reference the package type and thermal characteristics with your PCB layout requirements before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output at up to 500mA is required from a higher input voltage rail. Consider the 260kHz switching frequency for balancing component size and efficiency. Evaluate thermal dissipation needs based on the SOIC-8 package and expected ambient operating temperatures.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2671 series of SIMPLE SWITCHER regulators, designed for efficient power management in compact spaces. It represents a legacy solution from Texas Instruments and National Semiconductor, often used in established designs requiring robust, single-output buck conversion without complex external control loops.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitutes include LM2671M-5.0/NOPB and LM2671MX-5.0/NOPB. Verify that alternative sources maintain identical pin configurations and electrical specifications to ensure direct interchangeability in existing circuits.