The RC1117-ADJ is an adjustable output voltage low dropout (LDO) regulator. This regulator is designed to provide a stable and regulated output voltage from a higher input voltage. Manufactured by Fairchild/ON Semiconductor, the RC1117-ADJ offers flexibility in voltage regulation due to its adjustable output.

Applications:

• Post Regulation for Switching Supplies
• Battery Chargers
• Voltage regulation in embedded systems
• Linear Regulators for Microcontrollers
• Power management in portable devices

Features:

• Adjustable Output Voltage: Allows setting the output voltage using external resistors.
• Low Dropout Voltage: Operates with a small difference between input and output voltages.
• Output Current: Typically up to 1A (depending on package and conditions)
• Built-in Thermal Overload Protection: Protects the regulator from overheating.
• Short Circuit Protection: Protects the regulator from damage due to output short circuits.
• High Ripple Rejection: Filters out noise from the input voltage.

Benefits:

• Flexible output voltage adjustment to suit various application needs.
• Efficient power conversion due to low dropout voltage.
• Reliable operation with built-in protection features.
• Stable output voltage even with fluctuating input voltage.
• Easy to implement with minimal external components.

Technical Specifications:

• Output Voltage: Adjustable (1.25V to V_IN - V_DROP)
• Input Voltage Range: Typically up to 15V (check datasheet for specific maximum voltage)
• Dropout Voltage: Typically 1.2V at 1A
• Output Current: Up to 1A (depending on package)
• Operating Temperature Range: Typically -40°C to +125°C (check datasheet)
• Package Options: SOT-223, TO-252, TO-220 (varies depending on manufacturer and part number suffix)