LM3671TLX-1.875/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3671TLX-1.875/NOPB is a step-down DC-DC converter manufactured by Texas Instruments, featuring a fixed 1.875V output and 600mA load current capability. It operates within an input voltage range of 2.7V to 5.5V with a typical switching frequency of 2MHz. The device utilizes a DSBGA-5 package and supports an operating temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Intelligent automatic switching between PWM low-noise mode and PFM low-current mode for optimized efficiency across varying loads.
• Internal synchronous rectification ensures high energy conversion efficiency during PWM operation.
• Ultra-low shutdown current consumption significantly extends battery life in portable applications.

Voltage Regulators - DC DC Switching Regulators Applications

• Powering low-voltage circuits from single lithium-ion batteries
• Mobile phones and similar portable systems
• Battery-powered consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix TLX indicates tape-and-reel packaging when sourcing. Confirm the 1.875V fixed output variant matches system requirements. Ensure compatibility with the DSBGA-5 footprint and thermal management needs for the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring a compact solution with minimal external components. The 2MHz frequency allows for smaller inductors compared to lower-frequency alternatives. Consider the fixed 1.875V output constraint; use adjustable variants if different voltages are needed.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the LM3671 family of 2MHz, 600mA buck converters designed for portable devices. The TLX suffix denotes reel packaging. This series is optimized for single-cell lithium-ion battery applications, balancing performance, size, and power efficiency.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM3671TL-1.875/NOPB (same electrical specs, standard reel vs tape). LM3671MF-1.875/NOPB (different SOT-23-5 package). Verify pinout and thermal characteristics before substitution.