LM2672LD-3.3/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2672LD-3.3/NOPB is a Texas Instruments SIMPLE SWITCHER power converter featuring a fixed 3.3V output and 1A current capability. It operates as a step-down (buck) regulator with an input voltage range of 8V to 40V. The device integrates a 260kHz switching frequency, achieving up to 94% efficiency. It functions within a temperature range of -40°C to 125°C. Packaged in an 8-pin SOIC (SO-powerpad) format measuring 4.9mm x 3.9mm x 1.75mm, it requires only five external components for implementation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-efficiency buck topology with a fixed 3.3V output voltage.
• Operates with a wide input voltage range from 8V to 40V.
• Utilizes a 260kHz internal switching frequency to minimize external component count.
• Designed for surface-mount installation in compact 8-pin packages.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded systems
• Battery-powered equipment requiring efficient step-down conversion
• Industrial control system power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific package variant against the datasheet, as the LD suffix indicates a distinct physical footprint compared to standard M or MX versions. Confirm RoHS compliance status and ensure the supplier provides official Texas Instruments documentation matching the exact part number to avoid substitution errors during integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V output is required without the need for external feedback adjustment. It is suitable for designs prioritizing minimal bill-of-materials complexity due to the low external component count requirement. Ensure the application input voltage remains within the specified 8V to 40V operational window for reliable performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2672 series of SIMPLE SWITCHER regulators, which are designed for high-efficiency DC-DC conversion. The series includes various output voltage options and adjustable variants. The LM2672LD-3.3/NOPB specifically addresses applications needing a stable 3.3V rail with integrated thermal protection and fixed-frequency operation.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2672M-3.3/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum switching frequency of the LM2672LD-3.3/NOPB?

The device operates at a fixed switching frequency of 260 kHz.

Does the LM2672LD-3.3/NOPB support adjustable output voltages?

No, this specific part number provides a fixed 3.3V output. Adjustable versions are available under different model designations.