Texas Instruments

LM3673TL-ADJ/NOPB

LM3673TL-ADJ/NOPB

DescriptionThe LM3673TL-ADJ/NOPB is a highly efficient, adjustable output 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 LM3673TL-ADJ/NOPB features an adjustable output voltage range from 1.1V to 3.3V, making it suitable for a variety of electronic systems. It operates over a wide input voltage range of 2.7V to 5.5V and can deliver up to 350mA of output current. The regulator employs a 2MHz switching frequency, enabling the use of small inductors and capacitors, which is crucial for space-constrained designs. The device is housed in a 5DSBGA package and is available in tape and reel format, facilitating surface mount assembly.

LM3673TL-ADJ/NOPB Features

• Adjustable Output Voltage: The LM3673TL-ADJ/NOPB offers an adjustable output voltage range from 1.1V to 3.3V, providing flexibility to meet various system requirements.
• Wide Input Voltage Range: With an input voltage range of 2.7V to 5.5V, the regulator can accommodate a broad spectrum of power sources, enhancing its versatility.
• High Output Current Capability: The device is capable of delivering up to 350mA of output current, making it suitable for applications that demand higher power delivery.
• High Switching Frequency: The 2MHz switching frequency allows for the use of smaller inductors and capacitors, reducing the overall footprint and cost of the power solution.
• Synchronous Rectification: The inclusion of a synchronous rectifier improves efficiency, especially at higher load currents, resulting in lower power loss and better thermal performance.
• Compliance and Reliability: The LM3673TL-ADJ/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage and handling.
• Single Output Configuration: The regulator features a single positive output configuration, simplifying design and integration into various electronic systems.

LM3673TL-ADJ/NOPB Applications

The LM3673TL-ADJ/NOPB is well-suited for a range of applications where compact size, high efficiency, and reliable performance are critical. Some specific use cases include:

• Portable Electronics: Ideal for smartphones, tablets, and portable other devices that require efficient power management and small form factors.
• Wearable Devices: Perfect for fitness trackers, smartwatches, and other wearables where space and power efficiency are paramount.
• IoT Devices: Suitable for Internet of Things (IoT) devices that need a reliable power source with minimal power consumption.
• Medical Devices: Applicable in medical devices such as glucose meters and portable diagnostic tools, where precision and reliability are essential.

Conclusion of LM3673TL-ADJ/NOPB

The LM3673TL-ADJ/NOPB from Texas Instruments stands out as a robust and versatile buck regulator. Its adjustable output voltage, wide input voltage range, and high switching frequency make it an excellent choice for a variety of applications. The inclusion of synchronous rectification and compliance with environmental standards further enhance its appeal. Whether used in portable electronics, wearable devices, IoT applications, or medical equipment, the LM3673TL-ADJ/NOPB offers a reliable and efficient power management solution that meets the demands of modern electronic systems.