The SC1117CM-5.0 is a low dropout (LDO) linear regulator manufactured by Semtech Corporation. It is designed to provide a stable and regulated 5V output voltage from a higher input voltage with minimal voltage drop. This LDO regulator is ideal for applications where a clean and reliable power supply is crucial, especially in battery-powered devices and noise-sensitive circuits.

Applications

• Battery-Powered Devices: Regulating voltage in portable electronics such as smartphones, tablets, and digital cameras.
• Post-Regulation for Switching Regulators: Providing a clean and stable voltage source after a switching regulator stage to reduce noise and ripple.
• Microcontroller Power Supplies: Supplying regulated voltage to microcontrollers and other sensitive digital circuits.
• Analog Circuits: Providing a stable and low-noise power supply for analog circuits, such as operational amplifiers and data converters.

Features

• Low Dropout Voltage: Maintains regulation with a very small difference between input and output voltage, maximizing battery life.
• Fixed 5V Output: Provides a stable and accurate 5V output voltage.
• Over-Current Protection (OCP): Protects the device and load from excessive current draw.
• Thermal Shutdown: Shuts down the device when the junction temperature exceeds a safe limit.
• Reverse Polarity Protection: Protects the device from damage if the input voltage is connected with reverse polarity.
• Low Quiescent Current: Minimizes power consumption in standby mode.
• Stable with Ceramic Capacitors: Designed to be stable with low-ESR ceramic output capacitors.

Benefits

• Extended Battery Life: Low dropout voltage and low quiescent current maximize battery runtime.
• Improved System Reliability: Comprehensive protection features enhance system robustness.
• Precise Voltage Regulation: Ensures a stable and accurate 5V output for optimal performance.
• Reduced Noise: Provides a clean and low-noise power supply for sensitive circuits.
• Simplified Design: Minimal external components required for operation.

Additional Details

The SC1117CM-5.0 is typically packaged in a surface-mount package. An input and output capacitor are generally required for stable operation. Consult the datasheet for detailed electrical characteristics, application circuits, and layout recommendations. The device is RoHS compliant.