LM2671LD-5.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2671LD-5.0/NOPB is a high-efficiency 500mA step-down voltage regulator from Texas Instruments' SIMPLE SWITCHER family. It operates with an input voltage range of 4.5V to 40V, providing a fixed 5.0V output. The device integrates a 0.5A power switch and features a switching frequency of 260kHz. It includes thermal shutdown and current limit protection. The component is housed in an 8-pin PowerPAD SOIC package, designed for surface-mount applications with an operating temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated 0.5A power switch eliminates external component requirements
• Fixed 5.0V output option simplifies design implementation
• Built-in thermal shutdown and current limiting ensure robust operation

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Battery-powered equipment requiring efficient step-down conversion
• Industrial control modules with wide input voltage ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'LD' against official Texas Instruments documentation to confirm package type and availability status. Ensure compatibility with existing PCB footprints for the PowerPAD SOIC-8 configuration. Cross-reference the NOPB designation to confirm lead-free compliance and RoHS adherence as per current manufacturing standards.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required from inputs up to 40V. It is suitable for designs prioritizing simplicity and efficiency over adjustable output flexibility. Consider the 260kHz switching frequency for inductor size trade-offs. Verify that the 500mA load current meets system demands without exceeding thermal limits in the chosen enclosure.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2671 series of SIMPLE SWITCHER converters, which are known for reducing design complexity through integrated power switches. The LM2671 family offers various output voltages and current ratings, serving as a foundational solution for general-purpose DC-DC conversion in consumer and industrial electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements include LM2671M-5.0/NOPB (SOIC-8) or LM2671MX-5.0/NOPB (TSOT-23). For higher current needs, consider the LM2675 series. Ensure pinout compatibility and thermal performance match when substituting.