The AP2125KS-2.5TRE1 is a low dropout (LDO) linear regulator manufactured by BCD Semiconductor Manufacturing Limited. It is designed to provide a stable and accurate 2.5V output voltage with a low dropout voltage, making it suitable for applications requiring efficient power management.

Applications

• Portable electronics
• Battery-powered devices
• Microcontroller power supplies
• Post-regulation for switching power supplies
• Noise-sensitive circuits

Features

• Fixed Output Voltage: Provides a stable 2.5V output voltage.
• Low Dropout Voltage: Maintains regulation with a small input-output voltage differential.
• Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying current.
• Overcurrent Protection: Protects the regulator and load from excessive current draw.
• Thermal Shutdown Protection: Protects the regulator from overheating.
• Short Circuit Protection: Shuts down the regulator in the event of a short circuit.
• SOT-23-5 Package: Small surface mount package for space-constrained applications.

Benefits

• Stable Output Voltage: Ensures consistent performance of powered devices.
• Efficient Power Management: Low dropout voltage maximizes battery life.
• Reduced Power Consumption: Low quiescent current minimizes wasted power.
• Protection Against Fault Conditions: Overcurrent, thermal shutdown, and short circuit protection enhance system reliability.
• Compact Design: SOT-23-5 package allows for high-density board layouts.

Additional Details

The AP2125KS-2.5TRE1 is designed to operate with input voltages up to 6V and provides a typical output current of 300mA. It features a low quiescent current, typically around 55uA, which minimizes power consumption in standby mode. The regulator incorporates several protection features, including overcurrent protection, thermal shutdown protection, and short circuit protection, to ensure robust and reliable operation. The SOT-23-5 package makes it suitable for use in portable devices and other space-constrained applications. The "TRE1" suffix indicates a specific tape-and-reel packaging for automated assembly.