The TJ1117GSF-2.5 is a low dropout (LDO) positive voltage regulator capable of providing up to 1A of output current. It is designed to provide a stable and regulated 2.5V output from a higher input voltage. This regulator features low dropout voltage, making it suitable for applications where the input voltage is close to the desired output voltage. It also includes built-in protection features such as overcurrent and overtemperature protection.

Applications

• Microcontroller Power Supplies: Provides a regulated 2.5V supply for microcontrollers.
• FPGA Power Supplies: Powers FPGAs and related circuitry.
• Post-Regulation for Switching Power Supplies: Used as a post-regulator to improve the output voltage accuracy of switching power supplies.
• Battery-Powered Devices: Provides stable voltage regulation in battery-powered applications.
• Linear Regulators: General purpose use where a stable 2.5V source is needed.

Features

• Output Voltage: 2.5V (fixed).
• Output Current: Up to 1A.
• Low Dropout Voltage: Operates with a low difference between input and output voltage.
• Overcurrent Protection: Protects the regulator from damage due to output short circuits or overloads.
• Overtemperature Protection: Protects the regulator from overheating.
• Thermal Shutdown: Shuts down the regulator if the temperature exceeds a safe limit.
• Package: SOT-223 package

Benefits

• Stable Output Voltage: Provides a stable and regulated 2.5V output.
• Protection Against Damage: Built-in protection features safeguard the regulator and the load from damage.
• Wide Input Voltage Range: Operates over a wide range of input voltages.
• Easy to Use: Requires minimal external components for operation.
• Efficient Regulation: Provides efficient voltage regulation.

Additional Details

The TJ1117GSF-2.5 typically requires input and output capacitors for stable operation. The dropout voltage is a critical parameter for determining the minimum input voltage required for regulation. The overcurrent and overtemperature protection features enhance the reliability of the regulator. Proper heat sinking may be required, depending on the operating conditions. The datasheet should be consulted for detailed specifications, application notes, and thermal considerations.