LM2676LD-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2676LD-ADJ is a SIMPLE SWITCHER® step-down voltage regulator manufactured by National Semiconductor. It operates with an input voltage range of 8V to 40V and provides an adjustable output voltage from 1.2V to 37V. The device supports a maximum output current of 3A with a switching frequency of 260kHz. It utilizes pulse width modulation control mode and features a 14-VSON (6x5) package with a bare pad. The junction temperature operating range is -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a low on-resistance DMOS power switch for high efficiency
• Utilizes SIMPLE SWITCHER architecture for simplified design
• Supports adjustable output voltage configuration

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 component status as the LM2676LD-ADJ is listed as obsolete in available records. Confirm availability through authorized distributors or secondary market suppliers. Ensure compatibility with existing PCB footprints and thermal requirements before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a 3A buck converter with adjustable output. Consider the 260kHz switching frequency for passive component sizing. Evaluate thermal performance due to the VSON package constraints. Verify input voltage stability within the 8V to 40V range.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the SIMPLE SWITCHER family, designed for ease of use with minimal external components. The LM2676 series includes fixed and adjustable variants. This specific model offers flexibility in output voltage setting while maintaining high efficiency and compact size suitable for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible replacements such as LM2676SD-ADJ/NOPB from Texas Instruments. Verify electrical specifications match exactly. Assess package dimensions and thermal characteristics for seamless integration into existing hardware layouts.