LM3673TL-1.875/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3673TL-1.875/NOPB is a synchronous step-down DC-DC converter manufactured by Texas Instruments, operating at a fixed switching frequency of 2 MHz. It delivers a maximum output current of 350 mA with a fixed output voltage of 1.875 V. The device accepts an input voltage range from 2.7 V to 5.5 V and supports an adjustable output configuration in the broader series, though this specific part is fixed. It utilizes a DSBGA-5 package and functions within a junction temperature range of -30°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high efficiency in a compact footprint
• Operates at a fixed 2 MHz switching frequency to minimize external component size
• Includes integrated power switches for simplified design implementation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered consumer electronics
• Embedded systems requiring efficient low-voltage regulation
• Mobile communication devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against the manufacturer's official datasheet to confirm the fixed output voltage variant. Ensure the DSBGA-5 package dimensions match the PCB layout requirements. Confirm RoHS compliance status through the latest production data sheet before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.875 V output is required without external feedback resistors. Compare the 350 mA current limit against peak load demands. Consider the 2 MHz frequency trade-off between component size and electromagnetic interference compared to lower-frequency alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3673 family of miniature step-down converters. It shares the core topology and switching characteristics with other variants in the series, differing primarily in output voltage configuration and package options. The LM3673 series is designed for space-constrained applications requiring high efficiency.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the LM3673 family cross-reference for alternative voltage settings or package types. Verify pin compatibility and thermal performance before substituting with similar buck converters from other manufacturers.