Texas Instruments

LM21305SQ/NOPB  

DC Switching Voltage Regulators

LM21305SQ/NOPB Description

The LM21305SQ/NOPB is a high-performance, adjustable output DC switching voltage regulator from Texas Instruments. This Buck regulator is designed to deliver a maximum output current of 5A and supports an input voltage range from 3V to 18V. With a switching frequency of 300kHz to 1.5MHz, it offers flexibility in power management applications. The LM21305SQ/NOPB is available in a 28-Pin QFN package and operates with a single positive output.

LM21305SQ/NOPB Features

• Adjustable Output Voltage: The LM21305SQ/NOPB provides an adjustable output voltage range from 0.598V to 18V, making it suitable for a wide range of applications.
• High Efficiency: Thanks to its synchronous rectifier feature, the LM21305SQ/NOPB achieves high efficiency, reducing power loss and improving thermal performance.
• Wide Input Voltage Range: With an input voltage range of 3V to 18V, this regulator can handle various power sources, enhancing its versatility.
• Robust Protection Features: The LM21305SQ/NOPB includes over-voltage, over-current, and thermal shutdown protections to ensure reliable operation.
• RoHS Compliance: This product is compliant with the RoHS3 directive, making it suitable for environmentally conscious designs.
• REACH Unaffected Status: The LM21305SQ/NOPB is not affected by REACH regulations, ensuring uninterrupted supply and compliance with European chemical safety standards.

LM21305SQ/NOPB Applications

The LM21305SQ/NOPB is ideal for applications requiring efficient power conversion and regulation, such as:

• Portable Electronics: Due to its small form factor and high efficiency, it is perfect for powering smartphones, tablets, and other handheld devices.
• Industrial Equipment: Its robust protection features make it suitable for use in industrial control systems and automation equipment.
• Telecommunications: The LM21305SQ/NOPB can be used in power supplies for base stations and other communication infrastructure.
• Automotive Systems: This regulator can provide stable power to various electronic components in vehicles, such as infotainment systems and sensors.

Conclusion of LM21305SQ/NOPB

The LM21305SQ/NOPB from Texas Instruments is a versatile and efficient DC switching voltage regulator. Its adjustable output voltage, high efficiency, and robust protection features make it an excellent choice for a wide range of applications. With its RoHS and REACH compliance, the LM21305SQ/NOPB is not only a powerful solution but also an environmentally responsible one.

LM21305SQ/NOPB Documents

Download datasheets and manufacturer documentation for LM21305SQ/NOPB

PCN Assembly/Origin :

Alt Base Metal 31/Jul/2020      

Datasheets :

LM21305      

Design Resources :

LM21305 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM21305