Semtech

SC189BSKTRT  

DC Switching Voltage Regulators

SC189BSKTRT Description

The SC189BSKTRT is a highly efficient, fixed-output voltage regulator designed for a wide range of power management applications. Manufactured by Semtech Corporation, this device is part of the Power Management Integrated Circuit (PMIC) category and offers a robust solution for modern electronic systems. The SC189BSKTRT features a fixed output voltage of 1.1V and is capable of delivering a continuous output current of 1.5A. It operates within an input voltage range of 2.9V to 5.5V, making it suitable for various power sources. The regulator employs a buck topology with a switching frequency of 2.5MHz, ensuring efficient power conversion and minimal footprint. The device is housed in a compact SOT23-5 package, ideal for space-constrained designs. Additionally, the SC189BSKTRTRT includes a synchronous rectifier, enhancing its efficiency and performance.

SC189BSKTRT Features

• Fixed Output Voltage: The SC189BSKTRT provides a stable 1.1V output voltage, ensuring consistent power to delivery sensitive electronic components.
• Wide Input Voltage Range: With an input voltage range of 2.9V to 5.5V, the regulator can accommodate various power sources, including batteries and DC power supplies.
• High Output Current: Capable of delivering up to 1.5A of continuous output current, this regulator is suitable for applications requiring high power.
• Efficient Buck Topology: The buck topology and 2.5MHz switching frequency ensure high efficiency and minimal heat dissipation, making it ideal for compact designs.
• Synchronous Rectification: The inclusion of a synchronous rectifier enhances efficiency, particularly at high load currents.
• RoHS Compliant: The SC189BSKTRT meets RoHS compliance, ensuring environmental sustainability and regulatory adherence.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is suitable for a wide range of manufacturing environments.
• Surface Mount Packaging: The SOT23-5 package is ideal for surface mount applications, providing a compact and reliable solution for modern electronics.

SC189BSKTRT Applications

The SC189BSKTRT is well-suited for a variety of applications where efficient power management is critical. Its compact size and high efficiency make it ideal for portable devices, such as smartphones, tablets, and wearable technology. The regulator's ability to handle high currents also makes it suitable for power-hungry applications like microcontrollers, FPGAs, and other digital circuits. Additionally, its wide input voltage range and fixed output voltage ensure compatibility with various power sources and sensitive electronic components. The SC189BSKTRT is also an excellent choice for battery-powered devices, where efficiency and reliability are paramount.

Conclusion of SC189BSKTRT

The SC189BSKTRT from Semtech Corporation is a versatile and efficient power management solution, offering a fixed 1.1V output voltage and a maximum output current of 1.5A. Its wide input voltage range, high efficiency, and compact SOT23-5 package make it an ideal choice for a variety of applications, particularly in portable and battery-powered devices. The inclusion of synchronous rectification further enhances its performance, ensuring minimal power loss and heat generation. While the SC189BSKTRT is not recommended for new designs, its proven reliability and performance make it a valuable component for existing systems.

SC189BSKTRT Documents

Download datasheets and manufacturer documentation for SC189BSKTRT

Datasheets :

SC189      

PCN Packaging :

Label Changes 28/Jun/2019      

HTML Datasheet :

SC189