Texas Instruments

LM3671TLX-1.875/NOPB  

DC Switching Voltage Regulators

LM3671TLX-1.875/NOPB Description

The LM3671TLX-1.875/NOPB is a highly efficient, fixed-output voltage buck regulator designed by Texas Instruments. This IC offers a robust solution for power management applications requiring a stable 1.875V output at up to 600mA. With an input voltage range of 2.7V to 5.5V, it is well-suited for a variety of power supply scenarios. The regulator operates at a switching frequency of 2MHz, ensuring minimal footprint and high efficiency in compact designs. The LM3671TLX-1.875/NOPB features synchronous rectification, which enhances efficiency and reduces power loss, making it ideal for battery-powered and energy-sensitive applications.

LM3671TLX-1.875/NOPB Features

• Fixed Output Voltage: The LM3671TLX-1.875/NOPB provides a fixed output voltage of 1.875V, ensuring consistent power delivery to sensitive electronic components.
• Wide Input Voltage Range: With an input voltage range of 2.7V to 5.5V, this regulator can accommodate a variety of power sources, including single-cell lithium-ion batteries and standard 5V supplies.
• High Efficiency: The 2MHz switching frequency combined with synchronous rectification ensures high efficiency, minimizing heat generation and maximizing battery life in portable devices.
• Single Output Configuration: The regulator is designed with a positive output configuration, simplifying circuit design and integration.
• Surface Mount Technology: The LM3671TLX-1.875/NOPB is available in a 5DSBGA package, making it suitable for surface mount applications and enabling compact PCB layouts.
• Compliance and Reliability: The regulator is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. The moisture sensitivity level (MSL) of 1 (unlimited) guarantees reliability in various environmental conditions.

LM3671TLX-1.875/NOPB Applications

The LM3671TLX-1.875/NOPB is ideal for applications requiring a stable and efficient power supply. Key use cases include:

• Portable Electronics: Ideal for powering smartphones, tablets, and other portable devices where battery life and efficiency are critical.
• Wearable Technology: Suitable for fitness trackers, smartwatches, and other wearable devices that demand compact and efficient power solutions.
• Industrial IoT Devices: Provides a reliable power source for IoT sensors and devices operating in industrial environments.
• Medical Devices: Ensures stable power delivery for portable medical devices such as glucose meters and portable ECG monitors.

Conclusion of LM3671TLX-1.875/NOPB

The LM3671TLX-1.875/NOPB from Texas Instruments is a versatile and efficient buck regulator designed for applications requiring a stable 1.875V output. Its wide input voltage range, high efficiency, and compact surface mount package make it an excellent choice for a variety of power management needs. Despite its obsolete status, the LM3671TLX-1.875/NOPB remains a reliable option for engineers seeking a proven solution for their power supply requirements.

LM3671TLX-1.875/NOPB Documents

Download datasheets and manufacturer documentation for LM3671TLX-1.875/NOPB

Datasheets :

LM3671 Datasheet      

Design Resources :

LM3671 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM3671 Datasheet      

PCN Design/Specification :

LM3671/-Q1 DataSheet Update 21/Jul/2016