The CJT1117B-5.0 is a low dropout (LDO) positive voltage regulator manufactured by Jiangsu Changjiang Electronics Technology Co., Ltd. This regulator is designed to provide a stable 5.0V output with a low voltage drop, making it suitable for applications where input voltage is close to the desired output.

Applications

• Post Regulation for Switching Supplies: Used to clean up the output of switching power supplies.
• Battery Powered Systems: Provides a regulated voltage in portable and battery-operated devices.
• Microcontroller Power: Supplies stable voltage to microcontrollers and other sensitive electronic components.
• Linear Regulator: Suitable for general purpose linear voltage regulation.

Features

• Low Dropout Voltage: Maintains regulation with minimal input-output voltage difference.
• Fixed 5.0V Output: Provides a precise and stable 5.0V output voltage.
• Current Limiting: Protects the regulator from overload and short-circuit conditions.
• Thermal Shutdown: Shuts down the regulator when the junction temperature exceeds a safe limit.

Benefits

• Enhanced Efficiency: Low dropout voltage reduces power dissipation and improves overall efficiency.
• Stable Output Voltage: Provides consistent voltage regulation, ensuring reliable operation of electronic circuits.
• Overload Protection: Protects the regulator and the connected circuit from excessive current draw.
• Thermal Protection: Prevents damage to the regulator due to overheating.

Additional Details

The CJT1117B-5.0 is typically available in SOT-223 package. It usually features a dropout voltage around 1.2V at the maximum rated current. Detailed specifications regarding input voltage range, output current capability, and thermal characteristics can be found in the product datasheet.