The SC112CSK-2.5-TR is a low dropout (LDO) linear regulator manufactured by Semtech Corporation. It is designed to provide a stable and regulated 2.5V output voltage from a higher input voltage. The device is optimized for portable applications and other systems requiring high efficiency and minimal board space.

Applications

• Portable Electronics: Ideal for use in smartphones, tablets, and other battery-powered devices.
• Wireless Communication Devices: Suitable for providing stable power to transceivers and other RF components.
• Post Regulation for Switching Regulators: Can be used to further reduce ripple and noise in applications using switching power supplies.
• Microcontroller Power: Provides a clean and stable supply voltage for microcontrollers and other digital logic circuits.
• FPGA Power: Can be used to power FPGAs requiring a stable 2.5V supply.

Features

• Low Dropout Voltage: Ensures stable output voltage even with a small difference between input and output voltage.
• Stable with Ceramic Capacitors: Optimized for use with low-ESR ceramic output capacitors, reducing the need for bulky and expensive tantalum or electrolytic capacitors.
• Short Circuit Protection: Protects the device and the load from damage in the event of a short circuit.
• Over Temperature Protection: Shuts down the regulator in the event of excessive temperature to prevent damage.
• Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying current to the load.
• Small Package: Available in a small package, saving valuable board space.

Benefits

• Extended Battery Life: The low quiescent current and high efficiency contribute to longer battery life in portable applications.
• Improved System Reliability: Short circuit and over temperature protection features enhance system reliability.
• 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.
• Stable Power Supply: Provides a stable and regulated 2.5V output voltage, ensuring reliable operation of downstream components.

Additional Details

The SC112CSK-2.5-TR typically operates with an input voltage range of 2.7V to 5.5V. The dropout voltage is typically very low at rated output current. It has excellent line and load regulation characteristics, ensuring a stable output voltage under varying input voltage and load conditions. The regulator is available in a small outline package suitable for surface mount assembly. The part is supplied in tape and reel packaging (TR) for automated assembly processes.