The AP2128K-3.9TR is a high-performance, low-dropout linear regulator designed and manufactured by Diodes Incorporated, a leading global manufacturer and supplier of high-quality semiconductor products. This regulator is engineered to deliver a fixed output voltage of 3.9V with an impressive accuracy and stability, making it an ideal choice for sensitive electronic applications.

Key Features

• Output Voltage: Precisely regulated 3.9V output, suitable for a wide range of applications.
• High Accuracy: Maintains output voltage accuracy within ±1.5%, ensuring reliable performance.
• Low Dropout Voltage: Operates with a very low dropout, improving efficiency and allowing operation over a wider range of input voltages.
• Current Capacity: Capable of delivering up to 300mA of continuous output current, meeting the needs of various power-hungry devices.
• Thermal Protection: Integrated thermal shutdown feature protects the device from overheating and potential damage.
• Current Limiting: Built-in current limit function prevents excessive current draw that could harm the regulator or the attached load.

Applications

The AP2128K-3.9TR is versatile and can be used in a multitude of electronic circuits. Its stable output makes it suitable for:

• Battery-powered devices
• Portable media players
• Mobile phones
• Personal digital assistants (PDAs)
• Wireless LAN devices
• Other electronic devices requiring a stable power supply

Quality and Reliability

Diodes Incorporated is committed to providing high-quality products. The AP2128K-3.9TR is no exception and is designed to meet rigorous industry standards for performance and reliability. With its robust design and built-in protection features, this linear regulator is a reliable choice for your power management needs.

Product Packaging

The AP2128K-3.9TR comes in a compact SOT-25 package, making it easy to integrate into space-constrained designs. It is also available in tape and reel packaging, which is ideal for automated manufacturing processes.