The AP2117BK-3.0TRE1 is a low dropout (LDO) regulator from BCD Semiconductor. This regulator is designed to provide a stable 3.0V output voltage and is capable of delivering up to 1A of current. The device's low dropout voltage allows it to operate efficiently even when the input voltage is close to the output voltage, making it suitable for battery-powered applications and systems requiring stable voltage rails. It includes features such as over-current protection and thermal shutdown to ensure reliable operation.

Applications

• Post-Regulation for Switching Power Supplies: Cleans up the output of switching regulators, reducing noise and improving stability.
• Microcontroller and DSP Power: Provides a stable voltage rail for microcontrollers, digital signal processors (DSPs), and other digital logic circuits.
• Portable Equipment: Ideal for use in battery-powered devices such as smartphones, tablets, and portable media players.
• Consumer Electronics: Used in a variety of consumer products requiring a stable and regulated 3.0V supply.
• Industrial Control Systems: Powers sensors, actuators, and control logic in industrial automation equipment.

Features

• Low Dropout Voltage: Maintains regulation with a minimal input-to-output voltage differential.
• High Output Current: Delivers up to 1A of output current to power a wide range of loads.
• Over-Current Protection: Protects the regulator and the load from damage due to excessive current draw.
• Thermal Shutdown: Shuts down the regulator when the die temperature exceeds a safe level, preventing overheating.
• Stable with Ceramic Capacitors: Designed for stable operation with ceramic output capacitors, minimizing board space and component costs.
• Fixed Output Voltage: Provides a precise and stable 3.0V output voltage.

Benefits

• Improved System Performance: Provides a clean and stable voltage rail, improving the performance and reliability of powered devices.
• Enhanced Battery Life: Low dropout voltage and efficient operation extend battery life in portable applications.
• Robust Protection: Over-current and thermal shutdown features protect the regulator and the load from damage.
• Reduced Board Space: Stable operation with ceramic capacitors allows for smaller and lower-cost designs.
• Simplified Design: Fixed output voltage simplifies design and reduces component count.

Additional Details

The AP2117BK-3.0TRE1 is available in a SOT-25 package. It has an operating temperature range of -40°C to +85°C. The input voltage range is typically 2.5V to 6.0V. The regulator is designed for applications where a stable 3.0V power supply is required. The output voltage accuracy is typically ±2%. The device also features enable pin for shutdown control. The use of ceramic capacitors for input and output filtering is recommended to ensure stable operation.