LM3671QTLX-1.8/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3671QTLX-1.8/NOPB is a fixed-output step-down DC-DC converter from Texas Instruments, designed for automotive applications. It provides a stable 1.8V output with a maximum load current of 600mA. The device operates within an input voltage range of 2.7V to 5.5V and features a switching frequency of 2MHz. It utilizes synchronous rectification for high efficiency and includes integrated overcurrent protection. The component is housed in a DSBGA-5 package (1.41x1.08mm) and supports an operating temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Complies with AEC-Q100 Grade 1 standards for automotive reliability
• Integrates synchronous rectification to maximize conversion efficiency
• Features automatic transition between PWM and PFM modes for optimized power management

Voltage Regulators - DC DC Switching Regulators Applications

• Powering low-voltage circuits from single-cell lithium-ion batteries in automotive systems
• Portable electronic devices requiring efficient step-down regulation
• Embedded control units in mobile communication equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'Q' indicates automotive qualification status against the manufacturer's official documentation. Confirm that the 'TLX' designation corresponds to the correct DSBGA-5 tape and reel packaging configuration. Ensure compatibility with the required 1.8V fixed output specification before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing for automotive environments requiring AEC-Q100 compliance. It is suitable for space-constrained layouts due to its small DSBGA footprint. Choose this part if a fixed 1.8V rail is needed with up to 600mA capacity from a 2.7V-5.5V source, prioritizing high-frequency operation for smaller passive components.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3671 family of high-efficiency step-down converters. While other variants like the LM3671MF series use SOT-23 packages, this specific model utilizes a DSBGA-5 package for compactness. The 'Q' prefix distinguishes it as an automotive-grade device compared to standard commercial versions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM3671TL-1.8/NOPB: Commercial grade equivalent with identical electrical specifications but without automotive qualification.