The LT1117CST-2.85#TR from Linear Technology is a fixed voltage regulator IC designed to provide a stable 2.85V output. It is a part of the LT1117 series, which is known for its high efficiency and low dropout performance. This particular model comes in a surface-mount package and is provided on tape and reel, making it suitable for automated assembly processes.

Key Features:

• Fixed Output Voltage: 2.85V, which is ideal for logic circuits and low-voltage applications.
• Low Dropout Voltage: The LT1117CST-2.85#TR offers a low dropout voltage, which ensures efficient operation even when the input voltage is close to the output voltage.
• Output Current: Capable of delivering up to 800mA of output current, making it suitable for a wide range of applications.
• Thermal Protection: The device includes built-in thermal overload protection that shuts down the regulator to prevent damage from overheating.
• Current Limiting: In-built current limiting protects the device and the load from excessive current conditions.
• Surface-Mount Package: Supplied in a SOT-223 package, which is compact and suitable for space-constrained applications.
• Tape and Reel: The #TR designation indicates that these regulators are provided on tape and reel, facilitating efficient mass production and automated pick-and-place assembly.

Applications:

The LT1117CST-2.85#TR is versatile and can be used in various electronic devices and systems. It is particularly useful in:

• Portable devices where power efficiency is critical
• Linear power supplies
• Post-regulation for switching supplies
• Battery-powered equipment
• Microprocessor supply
• Low-voltage logic supplies

With its combination of low dropout performance, thermal protection, and current limiting features, the LT1117CST-2.85#TR is a reliable choice for designers looking to maintain a stable voltage supply in their electronic applications.