The SC1117CST-3.3TR is a low dropout (LDO) linear regulator manufactured by Semtech Corporation. This regulator is designed to provide a stable and accurate 3.3V output voltage with a low dropout voltage, making it suitable for various power management applications. It offers excellent line and load regulation, ensuring a consistent output voltage even with variations in input voltage or output current.

Applications:

• Post regulation for switching power supplies
• Battery-powered systems
• Microprocessor power supplies
• Instrumentation
• Networking equipment

Features:

• Low dropout voltage: Ensures regulation with minimal input-output voltage differential.
• 3.3V fixed output voltage: Provides a stable and accurate voltage for powering sensitive components.
• Overcurrent and overtemperature protection: Protects the regulator and the load from damage due to excessive current or heat.
• Excellent line and load regulation: Maintains a stable output voltage despite variations in input voltage or load current.
• Surface-mount package: Allows for efficient board assembly and space utilization.

Benefits:

• Stable power supply: Provides a reliable and consistent 3.3V output for critical applications.
• Protection against damage: Overcurrent and overtemperature protection enhance system reliability.
• Efficient power management: Low dropout voltage improves power efficiency, especially in battery-powered systems.
• Easy integration: Surface-mount package simplifies board design and assembly.
• Wide operating temperature range: Suitable for use in various environmental conditions.

Technical Specifications:

The SC1117CST-3.3TR typically operates with an input voltage range of 4.75V to 18V, providing a fixed 3.3V output with a maximum output current capability of 800mA or 1A depending on the specific datasheet. It features a low dropout voltage, typically less than 1.2V at maximum current. The device also includes thermal shutdown and current limiting features to protect itself and the connected load. Detailed specifications can be found in the manufacturer's datasheet.