The MIC5363-2.8YMTT5 is a low dropout (LDO) regulator from Micrel, now part of Microchip Technology. This device is designed to provide a stable and efficient 2.8V voltage source, making it suitable for a variety of portable and battery-powered applications. The inclusion of '2.8' in the part number explicitly indicates the fixed output voltage of 2.8V. Key features include low dropout voltage, low quiescent current, and thermal protection, ensuring efficient and reliable operation across different operating conditions.

Applications:

• Smartphones and Mobile Devices: Powering critical components like memory, processors, and RF circuits.
• Tablets and Portable Media Players: Regulating voltage for displays, audio codecs, and other subsystems.
• Digital Cameras: Supplying power to image sensors and associated processing units.
• Wearable Devices: Used in smartwatches, fitness trackers, and other compact, battery-operated devices.
• Wireless Communication Modules: Powering transceivers and microcontrollers in wireless applications.

Features:

• Fixed 2.8V Output Voltage: Provides a stable and precise 2.8V output.
• Low Dropout Voltage: Enables operation with a small difference between input and output voltage, enhancing efficiency.
• Low Quiescent Current: Minimizes current draw in standby mode, prolonging battery life.
• Overcurrent Protection: Safeguards the device and connected loads against excessive current.
• Thermal Shutdown: Protects the regulator from overheating.
• Stable with Ceramic Capacitors: Ensures stable operation with low-ESR ceramic output capacitors.
• Compact Package: Suitable for space-constrained designs.

Benefits:

• Prolonged Battery Life: Due to its low quiescent current and high efficiency.
• Enhanced System Reliability: Achieved through built-in protection mechanisms like overcurrent and thermal shutdown.
• Space Saving: Its compact package allows for efficient use of board space.
• Stable and Accurate Power: Ensures proper functioning of connected components with a stable 2.8V output.
• Simplified Design: Stable operation with ceramic capacitors reduces component count and design complexity.

Additional Details:

The MIC5363-2.8YMTT5 is typically packaged in a small form factor such as a TDFN or similar. It necessitates external capacitors on both the input and output for stability, specifically designed to work effectively with ceramic capacitors. The operating temperature range typically spans from -40°C to +125°C. Always refer to the official datasheet for the most accurate and detailed specifications, application guidelines, and package dimensions to ensure proper implementation and performance.