Semtech

SC221ULTRT  

DC Switching Voltage Regulators

SC221ULTRT Description

The SC221ULTRT is a high-performance buck regulator designed by Semtech Corporation, a leading provider of advanced semiconductor solutions. This device is part of the Power Management Integrated Circuit (PMIC) category and is specifically tailored for applications requiring adjustable output voltage and high efficiency. The SC221ULTRT features a synchronous rectifier, which enhances its efficiency and performance, making it suitable for a wide range of electronic devices.

SC221ULTRT Features

• Synchronous Rectifier: The SC221ULTRT incorporates a synchronous rectifier, which significantly improves efficiency and reduces power loss compared to traditional diode-based rectification.
• Adjustable Output Type: This regulator offers an adjustable output voltage, providing flexibility to meet various power requirements. The output voltage can be set between 1V and 5.5V, making it suitable for a broad range of applications.
• Wide Input Voltage Range: The device supports an input voltage range from 2.7V to 5.5V, ensuring compatibility with different power sources and enhancing its versatility.
• High Output Current: With a maximum output current of 650mA, the SC221ULTRT can efficiently power demanding applications while maintaining high performance.
• High Switching Frequency: Operating at a switching frequency of 20MHz, the SC221ULTRT ensures fast transient response and reduced output ripple, contributing to overall system stability.
• Surface Mount Technology: The SC221ULTRT is designed for surface mount applications, facilitating easy integration into compact and high-density PCB designs.
• Positive Output Configuration: The device offers a positive output configuration, which is commonly required in many electronic systems.
• Single Output: The SC221ULTRT features a single output, simplifying design and reducing complexity in applications that require a straightforward power solution.

SC221ULTRT Applications

The SC221ULTRT is ideal for a variety of applications due to its adjustable output voltage, high efficiency, and compact design. Some specific use cases include:

• Consumer Electronics: Ideal for powering portable devices, smartphones, tablets, and other consumer electronics where space and efficiency are critical.
• Communication Devices: Suitable for powering wireless modems, routers, and other communication equipment that require stable and efficient power supply.
• Industrial Systems: Can be used in industrial control systems, sensors, and IoT devices where reliable power management is essential.
• Automotive Electronics: Applicable in automotive infotainment systems, electronic control units, and other automotive applications that demand high efficiency and robust performance.

Conclusion of SC221ULTRT

The SC221ULTRT from Semtech Corporation is a versatile and high-performance buck regulator designed to meet the demands of modern electronic systems. Its adjustable output voltage, wide input range, and synchronous rectification make it an excellent choice for applications requiring high efficiency and flexibility. While the product status indicates it is not recommended for new designs, the SC221ULTRT remains a reliable option for existing systems and applications that require a proven power management solution.

SC221ULTRT Documents

Download datasheets and manufacturer documentation for SC221ULTRT

Datasheets :

SC221      

PCN Packaging :

Label Changes 28/Jun/2019      

HTML Datasheet :

SC221