The SC112CSK-5.0TR is a low dropout (LDO) linear regulator manufactured by Semtech Corporation. It is designed to provide a stable and regulated 5.0V output voltage from a higher input voltage, making it a suitable choice for a wide range of applications requiring a precise and reliable power source.

Applications

• Portable Electronics: Powers key components in smartphones, tablets, and other handheld devices.
• Wireless Communication Devices: Provides stable power to transceivers, RF front-ends, and other communication ICs in wireless systems.
• Microcontroller Power: Regulates the voltage supply for microcontrollers in embedded systems.
• Post-Regulation for Switching Regulators: Used after a switching regulator to further reduce ripple and noise, providing a cleaner power supply.
• Sensor Applications: Supplies clean and stable power for sensors in various applications, ensuring accurate and reliable readings.

Features

• Low Dropout Voltage: Ensures a stable output voltage even when the input voltage is close to the output voltage.
• Stable with Ceramic Capacitors: Optimized for use with low-ESR ceramic capacitors, reducing the need for bulky and expensive tantalum or electrolytic capacitors.
• Short Circuit Protection: Protects the regulator and the load from damage in the event of a short circuit.
• Over-Temperature Protection: Shuts down the regulator when the temperature exceeds a safe limit, preventing thermal damage.
• Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying current to the load, contributing to longer battery life.
• Small Package: Available in a small package, allowing for efficient use of board space in compact designs.

Benefits

• Extended Battery Life: Low quiescent current and high efficiency contribute to longer battery life in portable devices.
• Improved System Reliability: Short circuit and over-temperature protection enhance system reliability and prevent damage.
• Reduced Board Space: The small package size and compatibility with ceramic capacitors minimize board space requirements.
• Simplified Design: Easy to use and requires minimal external components, simplifying the design and reducing BOM cost.
• Stable Power Supply: Provides a stable and regulated 5.0V output voltage, ensuring reliable operation of connected components.

Additional Details

The SC112CSK-5.0TR typically operates with an input voltage range of 5.2V to 5.5V. It exhibits excellent line and load regulation, maintaining a stable output voltage under varying input voltage and load conditions. The regulator is typically available in a small outline package suitable for surface mount assembly, making it easy to integrate into modern electronic designs. The part is supplied in tape and reel packaging (TR) for automated assembly processes.