LM3671MF-1.375/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3671MF-1.375/NOPB is a fixed-output synchronous step-down DC-DC converter manufactured by Texas Instruments. It provides a regulated 1.375 V output with a maximum load current of 600 mA. The device operates from an input voltage range of 2.7 V to 5.5 V and utilizes a 2 MHz switching frequency. It features a low quiescent current of 16 µA and integrates an internal power switch within a compact SOT-23-5 package. The component supports operation across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a synchronous rectifier for high efficiency in a small footprint
• Provides a fixed output voltage option eliminating external resistor networks
• Features low quiescent current for extended battery life in portable applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power management
• Battery-powered devices needing stable low-voltage regulation
• Embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm the fixed output voltage matches the design requirement. Ensure the package type corresponds to the intended PCB layout. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed low-voltage rail is required without external feedback resistors. Consider the 600 mA output capability and 2 MHz frequency for balancing size and performance. Verify that the input voltage range covers the source supply variations and that the thermal characteristics suit the enclosure constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3671 family of synchronous buck converters designed for space-constrained applications. The family offers various fixed output voltages to simplify design processes. The LM3671 series is characterized by its integration of control logic and power switches into a minimal package, targeting mobile and handheld device markets.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM3671MF-1.375/NOPB is a standard production variant. Check for newer revisions or equivalent fixed-voltage parts within the LM3671 series if availability is constrained.