LM2676T-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2676T-ADJ/NOPB is a SIMPLE SWITCHER® high-efficiency 3A step-down voltage regulator from Texas Instruments. It operates with an input voltage range of 8V to 40V and provides an adjustable output voltage between 1.2V and 37V. The device features a fixed switching frequency of 260kHz, a maximum output current of 3A, and a quiescent current of 4.2mA. It utilizes a Buck topology and is housed in a TO-220-7 package, supporting an operating junction temperature range from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated monolithic power switch capable of delivering up to 3A load current
• Fixed internal switching frequency eliminates external timing components
• Adjustable output voltage via external resistor divider network
• Built-in thermal shutdown and current limit protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for industrial equipment
• Distributed power supply systems requiring high efficiency
• Battery-powered applications needing wide input voltage tolerance

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' confirms lead-free and RoHS compliance status as per the manufacturer's latest documentation. Ensure the TO-220-7 package variant matches your thermal management requirements. Cross-reference the official datasheet revision history to confirm pinout consistency and electrical parameter updates before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust 3A buck converter is required with a wide input voltage range up to 40V. The adjustable output feature offers flexibility for various voltage rails. Consider the TO-220-7 package for through-hole mounting and superior heat dissipation compared to surface-mount alternatives in high-power scenarios.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM267x family of SIMPLE SWITCHER regulators, designed for high-efficiency DC-DC conversion. The LM2676 specifically targets 3A applications, distinguishing it from lower-current variants like the LM2674 or higher-current models within the same series. It represents a mature solution for general-purpose power management tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct functional substitutes include other LM2676 variants with different output voltages or packages, such as LM2676S-ADJ/NOPB. Verify compatibility regarding thermal performance and pinout alignment when considering alternative manufacturers or updated generations within the same product family.