LM3676SD-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3676SD-ADJ/NOPB is a synchronous step-down DC/DC converter manufactured by Texas Instruments. It operates with an input voltage range of 2.7V to 5.5V and provides an adjustable output voltage from 0.8V to 5.5V. The device delivers a continuous output current of 1.5A with a switching frequency of 1.2MHz. It features a compact DSBA-5 package, supports operation temperatures from -40°C to +85°C, and includes integrated protection functions such as overcurrent and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency across load ranges
• Fixed 1.2MHz switching frequency enables small external component size
• Adjustable output voltage allows flexible system design
• Built-in overcurrent and thermal protection ensures robust operation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics powered by single-cell lithium batteries
• Point-of-load regulation in embedded systems
• Battery-powered industrial instrumentation
• Wireless communication modules requiring stable low-voltage supply

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package type and temperature rating. Confirm RoHS compliance status through the manufacturer's datasheet or certification documents. Cross-reference ordering information with authorized distributors to avoid counterfeit components. Ensure ESD handling procedures are followed during storage and assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing space-constrained applications requiring efficient power conversion from a single-cell battery source. The adjustable output feature suits designs needing specific voltage levels not available in fixed-output variants. Consider the 1.2MHz frequency for minimizing inductor size while maintaining acceptable ripple current. Evaluate thermal performance based on expected load conditions and PCB copper area for heat dissipation.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM367x family of simple switcher regulators designed for portable applications. It complements other Texas Instruments power management solutions by offering a balance between performance, size, and ease of implementation. The family targets markets demanding reliable power delivery in compact form factors without complex control loops.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct replacements include LM3676SDX-ADJ/NOPB for reel packaging variations. Verify pin compatibility and electrical specifications before substitution. Non-direct alternatives may require circuit redesign due to differences in switching frequency or pinout configuration.