LM3677TLX-1.8/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3677TLX-1.8/NOPB is a miniature step-down DC-DC converter manufactured by Texas Instruments. It operates with a fixed 1.8V output and delivers up to 600mA of output current. The device features a switching frequency of 3MHz and accepts an input voltage range from 2.7V to 5.5V. Packaged in a 5-pin DSBGA (YZR) format, it supports surface mount installation. The component functions within a temperature range of -30°C to +85°C and complies with RoHS standards.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Miniature step-down topology designed for ultra-low voltage circuits
• High switching frequency enables compact external component sizing
• Fixed 1.8V output configuration simplifies design integration

Voltage Regulators - DC DC Switching Regulators Applications

• Ultra-low voltage circuit power management
• Portable electronic devices requiring compact regulators
• Battery-powered systems needing efficient step-down conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix NOPB indicates lead-free and RoHS compliance status as per official documentation. Confirm the YZR package designation matches your PCB footprint requirements. Ensure the fixed 1.8V output aligns with your load specifications, as adjustable variants exist within the same family. Cross-reference the manufacturer part number with authorized distributors to guarantee authenticity and traceability.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.8V rail is required with up to 600mA capacity. The 3MHz frequency allows for smaller inductors and capacitors compared to lower-frequency alternatives. Consider the DSBGA package size constraints during layout. Verify that the 2.7V minimum input voltage suits your source supply under all operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM3677 series of miniaturized step-down converters. It shares architectural similarities with other members like the LM3674 and LM3673 but offers distinct current and frequency characteristics. The series targets space-constrained applications where high efficiency and small solution size are critical priorities for system designers.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM3674MFX-1.8/NOPB serves as a related alternative within the same ecosystem, offering similar functionality with different packaging and current ratings. Verify pin compatibility and thermal performance before substitution. No direct cross-brand substitutes are confirmed in the provided data.