Texas Instruments

LM3671MFX-2.8/NOPB  

DC Switching Voltage Regulators

LM3671MFX-2.8/NOPB Description

The LM3671MFX-2.8/NOPB is a high-performance, fixed-output, synchronous buck regulator designed by Texas Instruments. This device is part of the Power Management Integrated Circuit (PMIC) category and is optimized for delivering a stable 2.8V output at a maximum current of 600mA. The regulator operates efficiently within an input voltage range of 2.7V to 5.5V, making it suitable for a variety of applications where input voltage fluctuations are common. The LM3671MFX-2.8/NOPB features a switching frequency of 2MHz, which allows for the use of smaller inductors and capacitors, thereby reducing the overall footprint of the power supply solution. The device is housed in a compact SOT23-5 package, which is ideal for space-constrained designs. Additionally, the regulator includes a synchronous rectifier, enhancing efficiency and reducing power loss. The LM3671MFX-2.8/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental standards. With a moisture sensitivity level (MSL) of 1 (unlimited), the device is well-suited for various manufacturing processes.

LM3671MFX-2.8/NOPB Features

• Fixed Output Voltage: The LM3671MFX-2.8/NOPB provides a stable 2.8V output, 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 handle a variety of power sources, making it versatile for different applications.
• High Efficiency: The synchronous rectifier design ensures high efficiency, reducing power loss and improving thermal performance.
• Compact Design: The SOT23-5 package offers a small footprint, making it ideal for space-constrained applications.
• High Switching Frequency: Operating at 2MHz, the regulator allows the use of smaller passive components, further reducing the overall size of the power supply.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental regulations.
• Moisture Sensitivity Level: MSL 1 (unlimited) allows for flexible manufacturing processes without concerns about moisture exposure.

LM3671MFX-2.8/NOPB Applications

The LM3671MFX-2.8/NOPB is ideal for a range of applications requiring a compact, efficient, and reliable power solution. Key applications include:

• Portable Electronics: Ideal for smartphones, tablets, and other portable devices where space is limited and efficiency is crucial.
• Consumer Electronics: Suitable for devices such as digital cameras, media players, and gaming consoles.
• Industrial Applications: Can be used in compact industrial control systems, sensors, and IoT devices.
• Wearable Devices: Perfect for fitness trackers, smartwatches, and other wearable technology where size and power efficiency are critical.

Conclusion of LM3671MFX-2.8/NOPB

The LM3671MFX-2.8/NOPB from Texas Instruments stands out as a highly efficient and compact synchronous buck regulator. Its fixed 2.8V output and wide input voltage range make it versatile for various applications, while its high switching frequency and synchronous rectifier design ensure optimal efficiency. The compact SOT23-5 package, combined with environmental compliance and moisture sensitivity level, make it an excellent choice for modern electronic designs. Whether for portable electronics, consumer devices, industrial applications, or wearable technology, the LM3671MFX-2.8/NOPB offers a reliable and efficient power management solution.

LM3671MFX-2.8/NOPB Documents

Download datasheets and manufacturer documentation for LM3671MFX-2.8/NOPB

Images :

Mechanical Outline Drawing      

PCN :

Process Change Notification (PDF)      

Models :

LM3671MFX-2.8/NOPB Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

Technical Resources :

LM3671 TINA-TI Transient Reference Design      

SPICE Models :

LM3671 TINA-TI Transient Spice Model