Semtech

SC1545CS-1.8TRT  

Special Purpose Regulators

SC1545CS-1.8TRT Description

The SC1545CS-1.8TRT is a specialized low-dropout linear regulator (LDO) designed for high-performance applications such as CPU motherboards. Manufactured by Semtech Corporation, this device is part of the SmartLDO™ series, known for its efficiency and reliability. The SC1545CS-1.8TRT features a single output voltage of 1.8V, making it ideal for powering sensitive electronic components that require stable and precise voltage regulation.

This regulator is designed to operate with input voltages of either 5V or 12V, providing flexibility in power supply options. It is packaged in a surface-mount format, specifically in a tape and reel (TR) configuration, which is suitable for automated assembly processes. The SC1545CS-1.8TRT is RoHS compliant, ensuring it meets environmental standards for restricted hazardous substances.

SC1545CS-1.8TRT Features

• Low-Dropout Voltage: The SC1545CS-1.8TRT is designed to maintain regulation with a minimal dropout voltage, ensuring efficient power conversion even at low input-to-output voltage differentials.
• High Efficiency: The SmartLDO™ technology employed in this regulator ensures high efficiency, minimizing power loss and heat generation.
• Single Output Voltage: The regulator provides a stable 1.8V output, ideal for powering sensitive components that require precise voltage levels.
• Surface-Mount Packaging: The surface-mount technology (SMT) allows for compact and reliable integration into modern electronic designs.
• RoHS Compliance: The SC1545CS-1.8TRT meets RoHS standards, ensuring it is free from hazardous substances and suitable for environmentally conscious applications.
• Moisture Sensitivity Level (MSL) 1: This indicates that the component has an unlimited shelf life when stored in a controlled environment, reducing the risk of moisture-related damage.

SC1545CS-1.8TRT Applications

The SC1545CS-1.8TRT is particularly well-suited for applications that require precise and stable voltage regulation. Its primary applications include:

• CPU Motherboards: The regulator's ability to provide a stable 1.8V output makes it ideal for powering critical components on CPU motherboards, ensuring reliable operation and performance.
• Low-Dropout Applications: The low-dropout feature is beneficial in applications where the input voltage may be close to the required output voltage, such as in battery-powered devices or systems with limited power supply headroom.
• Sensitive Electronics: The precision and stability of the SC1545CS-1.8TRT make it suitable for powering sensitive electronic components that require a clean and stable power source.

Conclusion of SC1545CS-1.8TRT

The SC1545CS-1.8TRT is a highly efficient and reliable low-dropout linear regulator designed for demanding applications such as CPU motherboards. Its single 1.8V output, coupled with its low-dropout voltage and high efficiency, makes it an excellent choice for applications requiring precise voltage regulation. The surface-mount packaging and RoHS compliance further enhance its suitability for modern electronic designs. Despite being marked as obsolete, the SC1545CS-1.8TRT remains a valuable component for specific use cases where its unique features and performance benefits are required.

SC1545CS-1.8TRT Documents

Download datasheets and manufacturer documentation for SC1545CS-1.8TRT

Datasheets :

SC1545-1.8      

PCN Packaging :

Label Changes 28/Jun/2019      

PCN Obsolescence/ EOL :

Mult Dev 20/Nov/2019      

PCN Design/Specification :

Lead Frame Update 20/Apr/2015