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SC189TULTRT

SC189TULTRT Description

The SC189TULTRT is a highly efficient, fixed-output voltage regulator designed for a wide range of power management applications. Manufactured by Semtech Corporation, this regulator is part of the SC189 family and is optimized for delivering a stable 2.5V output at a maximum current of 1.5A. It operates within an input voltage range of 2.9V to 5.5V, making it suitable for various power sources, including batteries and low-voltage power supplies.

This regulator employs a buck topology with a switching frequency of 2.5MHz, ensuring high efficiency and minimal power loss. The synchronous rectifier feature further enhances efficiency by reducing power dissipation. The SC189TULTRT is available in a surface-mount package, specifically designed for easy integration into compact and high-density designs. It is RoHS compliant and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for long-term storage without special handling requirements.

SC189TULTRT Features

• Fixed Output Voltage: Provides a stable 2.5V output, ideal for applications requiring a consistent power supply.
• Wide Input Voltage Range: Operates from 2.9V to 5.5V, accommodating a variety of input power sources.
• High Output Current: Capable of delivering up to 1.5A, making it suitable for power-hungry applications.
• Buck Topology with Synchronous Rectification: Ensures high efficiency and reduced power loss, enhancing overall system performance.
• High Switching Frequency: 2.5MHz operation allows for the use of smaller inductors and capacitors, reducing the overall footprint and cost.
• Surface-Mount Package: Ideal for compact and high-density designs, facilitating easy integration into modern electronic systems.
• RoHS Compliant: Meets environmental standards, ensuring compatibility with eco-friendly manufacturing processes.
• Moisture Sensitivity Level 1: Suitable for long-term storage without the need for special handling, reducing logistical complexities.

SC189TULTRT Applications

The SC189TULTRT is well-suited for a variety of applications where a stable and efficient power supply is critical. Its fixed 2.5V output and high current capability make it ideal for powering microcontrollers, sensors, and other low-voltage electronics. The regulator's wide input voltage range and high efficiency are particularly beneficial in battery-powered devices, where minimizing power consumption is essential.

Specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics and IoT devices that require efficient power management.
• Microcontroller Power Supplies: Provides a stable power source for microcontrollers and other low-voltage components.
• Sensor Applications: Ensures reliable operation of sensors in various industrial and consumer applications.
• Point-of-Load (POL) Applications: Suitable for providing efficient power conversion in dense electronic systems.

Conclusion of SC189TULTRT

The SC819TULTRT is a versatile and efficient power management IC designed to meet the demands of modern electronic systems. Its fixed 2.5V output, wide input voltage range, and high current capability make it an excellent choice for a variety of applications. The regulator's high efficiency, due to its buck topology and synchronous rectification, ensures minimal power loss and enhanced system performance.

While the SC189TULTRT is marked as "Not For New Designs," its existing applications and performance benefits make it a reliable solution for existing projects. Its RoHS compliance and moisture sensitivity level of 1 further enhance its suitability for long-term use. For engineers and designers seeking a stable and efficient power supply, the SC189TULTRT offers a robust and reliable option.