LM3676SDX-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3676SDX-ADJ/NOPB is a Texas Instruments step-down DC-DC converter featuring a 2 MHz switching frequency and 600 mA output current capability. It operates with an input voltage range up to 5.5 V and provides an adjustable output voltage from 1.1 V to 3.3 V in a single-output configuration. The device utilizes a WSON-8 package with an exposed pad for thermal management. It supports operation within a temperature range of -40°C to +125°C, ensuring reliability in various electronic applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous buck topology for high efficiency
• Fixed 2 MHz switching frequency enabling compact passive component selection
• Adjustable output voltage control via external resistor network
• Robust thermal performance through exposed pad design

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered consumer electronics
• Embedded systems requiring stable low-voltage power rails
• Mobile communication devices
• Industrial control modules with limited space constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' confirms lead-free compliance and RoHS adherence as per manufacturer specifications. Confirm the 'ADJ' designation matches the required adjustable output voltage range. Ensure the WSON-8 package footprint aligns with the PCB layout design rules. Cross-reference the datasheet revision date to ensure compatibility with latest thermal and electrical guidelines.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for converting higher battery voltages to lower logic levels. The 2 MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the 600 mA limit against peak load requirements. The wide operating temperature range suits environments with significant thermal fluctuations without derating.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3676 family of switching regulators designed for space-constrained applications. It serves as a direct replacement for the obsolete LM3676SDX-ADJ. The NOPB suffix indicates non-phosphorus lead-free construction. It complements other Texas Instruments power management solutions by offering a balance of size, efficiency, and adjustability.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM3676SD-ADJ/NOPB is listed as a parametric equivalent substitute. Verify pinout compatibility and thermal characteristics before substitution. Ensure the alternative meets the same 600 mA and 2 MHz specifications.