The AZ1117S-3.3TR is a low dropout (LDO) linear voltage regulator manufactured by BCD Semiconductor Manufacturing Limited. It provides a fixed 3.3V output voltage with a low dropout voltage, making it ideal for applications requiring a stable and efficient power supply, even with a small difference between the input and output voltages. The 'TR' suffix usually indicates tape and reel packaging for automated assembly.

Applications

• Microcontroller power supplies
• FPGA and DSP power supplies
• Post-regulation for switching power supplies
• Battery chargers
• Portable devices
• Consumer electronics
• Industrial control systems

Features

• Fixed 3.3V output voltage: Provides a stable and precise output.
• Low dropout voltage: Maintains regulation with a minimal input-output voltage differential.
• Overcurrent protection: Protects the regulator and the load from excessive current draw.
• Thermal shutdown: Prevents damage from overheating.
• Short circuit protection: Protects the regulator from short circuit conditions.
• Surface mount package: Facilitates efficient PCB assembly.

Benefits

• Stable and reliable power: Ensures consistent performance of connected devices.
• Efficient operation: Minimizes power loss and heat generation.
• Protection features: Enhances system reliability and prevents damage.
• Compact size: Saves board space.
• Simplified design: Reduces the need for external components.

This regulator is particularly useful in battery-powered applications where maintaining a stable voltage as the battery discharges is critical. The built-in protection features ensure reliable operation and prevent damage from common faults. For detailed specifications, including input voltage range, output current rating, dropout voltage characteristics, thermal resistance, and package dimensions, refer to the official datasheet provided by BCD Semiconductor Manufacturing Limited.