LM3671TL-1.5/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3671TL-1.5/NOPB is a fixed-output step-down DC-DC converter manufactured by Texas Instruments, featuring a 1.5V output and 600mA maximum 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 to optimize system control and efficiency across varying load conditions.
• Internal synchronous rectification ensures high energy conversion efficiency during PWM mode operation.
• Integrated protection mechanisms including internal soft start, current overload protection, and thermal shutdown for reliable performance.

Voltage Regulators - DC DC Switching Regulators Applications

• Powering low-voltage circuits in mobile phones and similar portable systems
• Battery-powered applications requiring efficient single-cell lithium-ion regulation
• Portable electronic devices such as handheld computers and digital cameras

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'TL' against official documentation to confirm the DSBGA-5 package variant. Ensure the fixed 1.5V output requirement matches the application design. Confirm RoHS compliance status via the manufacturer's datasheet before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for single-cell lithium-ion battery applications. It is suitable for designs needing a fixed 1.5V rail with up to 600mA current. Consider the DSBGA-5 footprint constraints and the 2MHz switching frequency benefits for external component sizing.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3671 family of optimized buck converters designed for portable electronics. It shares core architecture with other variants like the MF series but differs in package type and specific output configuration. The family emphasizes miniaturization and battery life extension through advanced power management modes.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM3671MF-1.5/NOPB offers identical electrical performance in a SOT-23-5 package. Verify pinout compatibility and thermal dissipation requirements when substituting due to the different physical footprint.