The AZ1117H-2.5E1 is a low dropout (LDO) linear regulator manufactured by BCD Semiconductor Manufacturing Limited. It is designed to provide a fixed 2.5V output voltage with a low dropout voltage, making it suitable for applications where the input voltage is close to the desired output voltage. This regulator is commonly used in various electronic devices requiring a stable and regulated 2.5V power supply.

Applications:

• Post Regulation for Switching Supplies: Provides a clean and stable 2.5V output after a switching regulator.
• Battery-Powered Devices: Efficiently regulates voltage in portable devices powered by batteries.
• Microcontroller Power Supplies: Provides stable power for microcontrollers and related circuitry.
• Networking Equipment: Used in routers, switches, and modems to supply a regulated 2.5V.
• Consumer Electronics: Found in DVD players, set-top boxes, and other devices needing a 2.5V supply.

Features:

• Fixed 2.5V Output: Delivers a precise and stable 2.5V output voltage.
• Low Dropout Voltage: Maintains regulation with a minimal difference between input and output voltage.
• Overcurrent Protection: Built-in protection against excessive current draw.
• Thermal Shutdown: Protects the regulator from overheating.
• High Accuracy: Provides a highly accurate output voltage.

Benefits:

• Stable and Reliable Power: Ensures consistent performance of connected components.
• Protection from Fault Conditions: Prevents damage due to overcurrent or thermal overload.
• Efficient Power Conversion: Minimizes power loss and heat generation in low dropout applications.
• Simplified Design: Easy to implement with minimal external components.

Additional Details:

The AZ1117H-2.5E1 is typically available in a SOT-223 package, allowing for efficient heat dissipation. It requires external capacitors for stability and optimal transient response. Consult the manufacturer's datasheet for specific component values and layout recommendations.