LM2671N-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2671N-ADJ/NOPB is a step-down switching voltage regulator from Texas Instruments, operating in a buck topology. It supports an input voltage range of 4.5 V to 40 V and delivers up to 500 mA output current. The adjustable output voltage spans from 1.21 V to 37 V. Key electrical parameters include a fixed switching frequency of 260 kHz and a quiescent current of 2.5 mA. The device is housed in a PDIP-8 through-hole package and functions within a temperature range of -40 °C to +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a monolithic synchronous switch for high efficiency operation
• Includes internal compensation for stable performance with standard output capacitors
• Features thermal shutdown protection to safeguard against overheating conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation modules
• Pre-regulators for switching regulators
• Efficient linear regulator replacements

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' confirms lead-free status and RoHS compliance as per manufacturer specifications. Ensure the PDIP-8 through-hole package matches the target PCB footprint requirements. Cross-reference the datasheet revision history to confirm compatibility with existing design constraints before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a through-hole solution is required for buck conversion applications. The 500 mA current rating suits moderate load scenarios. Consider the 260 kHz switching frequency for balancing component size and efficiency. Verify that the external feedback resistor network can achieve the desired output voltage within the 1.21 V to 37 V range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2671 series of Simple Switcher power converters. It is designed for straightforward implementation of step-down DC-DC conversion. The family emphasizes ease of use with minimal external components. The N-suffix indicates a PDIP package variant, distinct from surface-mount options like the M-series counterparts.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2671MX-ADJ/NOPB offers identical electrical performance in a SOIC-8 surface mount package.