Semtech

SC189ZULTRT  

DC Switching Voltage Regulators

SC189ZULTRT Description

The SC189ZULTRT 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 is ideal for providing stable power supply in various electronic systems. The SC189ZULTRT features a fixed output voltage of 3.3V and can deliver a maximum output current of 1.5A. It operates within an input voltage range of 2.9V to 5.5V, making it suitable for applications with varying input voltage levels. The regulator employs a buck topology with a switching frequency of 2.5MHz, ensuring high efficiency and minimal power loss. Additionally, the SC189ZULTRT includes a synchronous rectifier, which further enhances its performance by reducing power dissipation and improving overall efficiency.

SC189ZULTRT Features

• Fixed Output Voltage: The SC189ZULTRT provides a stable output voltage of 3.3V, ensuring consistent power delivery to connected devices.
• Wide Input Voltage Range: With an input voltage range of 2.9V to 5.5V, the regulator can accommodate various power sources, making it versatile for different applications.
• High Output Current: Capable of delivering up to 1.5A of output current, this regulator is suitable for applications requiring higher power loads.
• Buck Topology: Utilizing a buck topology, the SC189ZULTRT achieves high efficiency and minimal power loss, making it ideal for power-sensitive applications.
• Synchronous Rectifier: The inclusion of a synchronous rectifier enhances the regulator's efficiency by reducing power dissipation and improving overall performance.
• Surface Mount Package: The SC189ZULTRT is available in a surface mount package, making it easy to integrate into compact and space-constrained designs.
• RoHS Compliant: The device is RoHS compliant, ensuring it meets environmental and safety standards for electronic components.
• Moisture Sensitivity Level (MSL) 1: The SC189ZULTRT has an MSL rating of 1, indicating it is not sensitive to moisture, which is beneficial for manufacturing processes.
• Tape & Reel Packaging: The regulator is packaged in tape and reel format, facilitating efficient handling and assembly in automated production lines.

SC189ZULTRT Applications

The SC189ZULTRT is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles, where compact size and high efficiency are critical.
• Industrial Equipment: Suitable for industrial applications requiring reliable power management, such as PLCs, sensors, and control systems.
• Communication Systems: Can be used in routers, switches, and other communication equipment to provide stable power to critical components.
• Medical Devices: Applicable in medical equipment where consistent power delivery is essential for accurate and reliable operation.
• Automotive Electronics: Useful in automotive applications, such as infotainment systems and electronic control units, where space and efficiency are important considerations.

Conclusion of SC189ZULTRT

The SC189ZULTRT from Semtech Corporation is a robust and efficient fixed output voltage regulator designed for a wide range of power management applications. Its wide input voltage range, high output current capability, and buck topology with synchronous rectification make it an excellent choice for applications requiring high efficiency and minimal power loss. The device's surface mount package and RoHS compliance further enhance its suitability for modern electronic designs. While the product is marked as "Not For New Designs," it remains a reliable option for existing applications and legacy systems. The SC189ZULTRT's combination of technical specifications, performance benefits, and versatile applications make it a standout choice in the power management integrated circuit market.

SC189ZULTRT Documents

Download datasheets and manufacturer documentation for SC189ZULTRT

Datasheets :

SC189      

PCN Packaging :

Label Changes 28/Jun/2019      

HTML Datasheet :

SC189