LM3676SD-1.5/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3676SD-1.5/NOPB is a synchronous step-down DC-to-DC converter manufactured by Texas Instruments. It operates with an input voltage range of 2.9V to 5.5V and provides a fixed output voltage of 1.5V. The device supports a maximum load current of 0.6A and utilizes a switching frequency of 2MHz. Packaged in an 8-pin WSON with an exposed pad, it is designed for low-voltage applications powered by single Li-Ion cells or similar rails.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for enhanced efficiency
• Mode control capability for optimized performance across load ranges
• Compact 8-pin WSON package design

Voltage Regulators - DC DC Switching Regulators Applications

• Powering low voltage circuits from single Li-Ion cell batteries
• Input voltage rail regulation systems
• Portable electronic devices requiring efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free composition and RoHS compliance as per Texas Instruments standards. Confirm the 'SD' variant corresponds to the 8-pin WSON EP package. Ensure the fixed output voltage matches the required 1.5V system specification before integration into the design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for inputs up to 5.5V. The 2MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 0.6A current limit for load requirements. The synchronous design improves efficiency over non-synchronous buck converters in low-voltage scenarios.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3676 family of 2MHz, 600mA step-down converters. It shares architectural similarities with other members like the LM3676SD-3.3/NOPB but differs in fixed output voltage settings. The series targets portable applications requiring high efficiency and small footprint solutions from Texas Instruments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct functional substitutes include other LM3676 variants with different fixed output voltages, such as LM3676SD-3.3/NOPB, provided the system voltage requirement changes. Cross-family replacements require verifying input voltage compatibility and current capabilities.