The AZ1117R-2.5TRE1 is a low dropout (LDO) linear regulator manufactured by BCD Semiconductor Manufacturing Limited. It's designed to provide a stable and regulated 2.5V output voltage from a higher input voltage. This regulator is commonly used in various electronic devices to ensure a consistent power supply for sensitive components.

Applications

• Microcontroller Power Supplies: Used to regulate the voltage supplied to microcontrollers, ensuring stable operation.
• FPGA Power Supplies: Provides regulated power for Field-Programmable Gate Arrays (FPGAs).
• Post-Regulation for Switching Regulators: Used after a switching regulator to further reduce ripple and noise.
• Battery-Powered Devices: Ensures a stable voltage supply in devices powered by batteries.
• Linear Regulation in Consumer Electronics: Found in various consumer electronic products for voltage regulation.

Features

• Low Dropout Voltage: Operates with a low difference between the input and output voltage, maximizing efficiency.
• Fixed Output Voltage: Provides a fixed 2.5V output voltage.
• Overcurrent Protection: Includes built-in protection against overcurrent conditions.
• Thermal Shutdown: Protects the regulator from overheating by shutting it down at high temperatures.
• Stable with Ceramic Capacitors: Designed to be stable with ceramic output capacitors.

Benefits

• Stable Output Voltage: Provides a consistent and regulated voltage supply.
• Protection Features: Protects the regulator and the connected circuit from damage.
• Simple Implementation: Easy to use with minimal external components.
• Compact Size: Small footprint for space-constrained applications.
• Efficient Operation: Low dropout voltage ensures efficient power conversion.

Additional Details

The AZ1117R-2.5TRE1 typically comes in a SOT-223 package. Its input voltage range usually spans from just above the output voltage (2.5V) up to a maximum specified voltage (e.g., 18V). The output current capability can vary, usually up to 800mA or 1A, depending on the specific conditions and package. The device includes overcurrent and overtemperature protections to enhance reliability. The device's stability with ceramic capacitors helps reduce external component count and overall solution size. This regulator is also designed to minimize output voltage ripple and noise, ensuring clean power delivery to the connected circuitry. For optimal performance, it is recommended to follow the manufacturer's guidelines for component selection and layout. Datasheets provide detailed information on electrical characteristics, thermal performance, and application recommendations.