LM3671MF-1.875/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3671MF-1.875/NOPB is a synchronous step-down DC-DC converter manufactured by Texas Instruments, featuring a fixed 1.875 V output and a maximum continuous output current of 600 mA. It operates within an input voltage range of 2.7 V to 5.5 V and utilizes a fixed switching frequency of 2.6 MHz. The device is housed in a compact SOT-23-5 package and supports surface mount installation. It functions reliably across an operating temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high efficiency in a small footprint
• Utilizes pulse width modulation control technique for stable regulation
• Includes shutdown functionality for power management optimization

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronic devices
• Embedded systems requiring efficient step-down conversion
• General-purpose low-voltage power supply circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with required output voltage and package type. Confirm RoHS compliance status through manufacturer documentation prior to integration. Cross-reference ordering information with authorized distributors to validate part authenticity and availability. Ensure design specifications align with the component's thermal and electrical limits defined in the technical data.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.875 V output is required alongside a 600 mA load capacity. The 2.6 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the SOT-23-5 package constraints for PCB layout and thermal dissipation requirements. Evaluate the 2.7 V minimum input voltage against the system's lowest expected supply rail to prevent dropout during operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM3671 series of step-down DC-DC converters from Texas Instruments. The series offers various fixed output voltages and adjustable options to suit different power management needs. The LM3671 family is designed for applications demanding high efficiency and compact size in portable electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM3671MFX-1.875/NOPB is a documented equivalent variant within the same product line.