Texas Instruments

LM3671MF-1.5/NOPB  

DC Switching Voltage Regulators

LM3671MF-1.5/NOPB Description

The LM3671MF-1.5/NOPB is a highly efficient, fixed-output voltage buck regulator designed by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and is ideal for applications requiring a compact, high-performance power solution. The LM3671MF-1.5/NOPB features a fixed output voltage of 1.5V and is capable of delivering up to 600mA of output current. It operates within an input voltage range of 2.7V to 5.5V, making it suitable for a variety of power supply applications. The regulator employs a switching frequency of 2MHz, which allows for the use of smaller external components, thereby reducing the overall footprint of the design.

LM3671MF-1.5/NOPB Features

• Fixed Output Voltage: The LM3671MF-1.5/NOPB provides a stable 1.5V output voltage, ensuring consistent power delivery to sensitive electronic components.
• High Efficiency: With a switching frequency of 2MHz, the regulator achieves high efficiency while allowing the use of smaller inductors and capacitors, which is beneficial for space-constrained designs.
• Synchronous Rectification: The inclusion of a synchronous rectifier enhances efficiency, particularly at higher load currents, reducing power loss and improving thermal performance.
• Wide Input Voltage Range: The regulator operates from 2.7V to 5.5V, making it versatile for various input power sources, including batteries and standard power supplies.
• Single Output Configuration: The LM3671MF-1.5/NOPB is designed with a single positive output, simplifying the power management architecture for single-rail systems.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), making it suitable for a wide range of manufacturing processes.
• Packaging: The LM3671MF-1.5/NOPB is available in a Surface Mount Tape & Reel (TR) package, specifically in the SOT23-5 form factor, which is ideal for automated assembly processes and high-density PCB layouts.

LM3671MF-1.5/NOPB Applications

The LM3671MF-1.5/NOPB is well-suited for a variety of applications where compact size, high efficiency, and reliable performance are critical. Some specific use cases include:

• Portable Electronics: Ideal for battery-powered devices such as smartphones, tablets, and wearable technology, where space and power efficiency are paramount.
• Consumer Electronics: Suitable for applications like digital cameras, media players, and other portable consumer devices that require stable power supply solutions.
• Industrial Applications: Can be used in compact industrial control systems, sensors, and IoT devices where a reliable and efficient power source is necessary.
• Medical Devices: Applicable in portable medical equipment such as glucose meters, portable ECG devices, and other medical instruments that require precise power management.

Conclusion of LM3671MF-1.5/NOPB

The LM3671MF-1.5/NOPB from Texas Instruments is a robust and efficient buck regulator designed to meet the demands of modern electronic devices. Its fixed 1.5V output, wide input voltage range, and high switching frequency make it a versatile and reliable choice for a variety of applications. The inclusion of synchronous rectification ensures high efficiency and reduced power loss, making it an ideal solution for space-constrained and power-sensitive designs. With its compliance to environmental and safety standards, the LM3671MF-1.5/NOPB stands out as a top choice for engineers looking to integrate a high-performance power management solution into their designs.

LM3671MF-1.5/NOPB Documents

Download datasheets and manufacturer documentation for LM3671MF-1.5/NOPB

PCN Assembly/Origin :

Additional Assembly sites 21/Sep/2021      

Datasheets :

LM3671 Datasheet      

PCN Packaging :

Pin One Dot 07/Jan/2019      

Design Resources :

LM3671 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM3671 Datasheet      

PCN Design/Specification :

Cu Wire 21/Mar/2017       Cu Wire Bond 14/May/2013