LM2672N-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2672N-ADJ/NOPB is a SIMPLE SWITCHER power converter featuring a high-efficiency 1A step-down voltage regulator. It operates with an input voltage range of 6.5V to 40V and provides an adjustable output voltage from 1.21V to 37V. The device utilizes a fixed switching frequency of 260kHz and includes internal compensation for minimal external component requirements. It supports a shutdown mode with low quiescent current and offers thermal protection. The component is housed in a 8-pin DIP package and functions within a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck topology with internal compensation
• Adjustable output voltage capability
• Low quiescent current in shutdown mode

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation
• Battery-powered systems
• General-purpose DC/DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the package type matches design requirements, as the LM2672 series includes surface mount variants like SOIC alongside through-hole options. Confirm the suffix indicates lead-free (NOPB) compliance if required by assembly standards. Check manufacturer documentation for specific handling instructions regarding moisture sensitivity levels during soldering processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust through-hole solution is needed for 1A step-down applications. The 260kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Ensure input voltage stays within the specified 6.5V to 40V range to maintain regulation and efficiency targets under varying load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2672 family of SIMPLE SWITCHER regulators, designed for high-efficiency power conversion. It serves as a legacy through-hole alternative to surface-mount versions like the LM2672M or LM2672MX. The series is characterized by its simplicity, requiring few external components while delivering stable regulated output currents up to 1A.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2672N-ADJ

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage for the LM2672N-ADJ/NOPB?

The maximum input voltage is 40V.

Does the LM2672N-ADJ/NOPB support synchronous rectification?

No, the LM2672 uses a non-synchronous buck topology with an internal N-channel MOSFET switch and a catch diode.