Texas Instruments

LM3311SQ/NOPB

LM3311SQ/NOPB Description

The LM3311SQ/NOPB is a high-performance boost converter designed by Texas Instruments, offering a robust solution for power management applications. This IC features an adjustable output voltage, making it highly versatile for a wide range of applications. With a maximum input voltage of 7V and a minimum input voltage of 2.5V, the LM3311SQ/NOPB can efficiently operate within a broad input voltage range. It supports a maximum output current of 2A through its switching mechanism, ensuring reliable power delivery to demanding loads.

The LM3311SQ/NOPB is designed with a positive output configuration, providing a stable and consistent power supply. It operates at switching frequencies of 660kHz and 1.28MHz, allowing for efficient power conversion and reduced component size in the overall design. The output voltage is adjustable from a minimum of 1.263V up to a maximum of 20V, offering flexibility to meet various system requirements.

This boost converter is housed in a 24-lead WQFN package, suitable for surface mount applications. It is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. The LM3311SQ/NOPB has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage and handling conditions. It is classified under ECCN EAR99 and HTSUS 8542.39.0001, making it widely accessible for international markets.

LM3311SQ/NOPB Features

• Adjustable Output Voltage: The LM3311SQ/NOPB offers an adjustable output voltage range from 1.263V to 20V, providing flexibility to meet diverse system requirements.
• Wide Input Voltage Range: With an input voltage range of 2.5V to 7V, this IC can operate efficiently across a broad spectrum of input conditions.
• High Output Current: The ability to deliver up to 2A of output current ensures robust power delivery, making it suitable for high-current applications.
• Dual Switching Frequencies: Operating at 660kHz and 1.28MHz, the LM3311SQ/NOPB offers efficient power conversion and reduced component size, optimizing overall system performance.
• Positive Output Configuration: Ensures a stable and consistent power supply, ideal for applications requiring a positive voltage output.
• Surface Mount Packaging: The 24-lead WQFN package is ideal for surface mount applications, providing a compact and reliable solution for modern electronics.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures the IC can be stored and handled without moisture-related concerns.

LM3311SQ/NOPB Applications

The LM3311SQ/NOPB is ideal for a variety of applications where efficient power conversion and high output current are required. Some specific use cases include:

• Portable Electronics: Ideal for powering devices that require a high current draw, such as smartphones, tablets, and portable gaming consoles.
• Battery Chargers: Suitable for applications where a boost converter is needed to step up the voltage from a battery to charge other devices.
• LED Lighting: Provides a stable power supply for high-brightness LED arrays, ensuring consistent illumination.
• Industrial Equipment: Can be used in industrial applications where a reliable and efficient power supply is crucial for system performance.
• Automotive Electronics: Suitable for automotive applications where a wide input voltage range and high output current are necessary.

Conclusion of LM3311SQ/NOPB

The LM3311SQ/NOPB from Texas Instruments is a versatile and efficient boost converter that offers a wide range of technical specifications and performance benefits. Its adjustable output voltage, wide input voltage range, and high output current make it suitable for a variety of applications. The dual switching frequencies and compact surface mount packaging further enhance its appeal for modern electronics. While the product is marked as obsolete, it remains a reliable choice for applications requiring a robust power management solution.