The AP2128K-3.9TRG1 is a high-performance, low dropout linear regulator designed and manufactured by Diodes Incorporated. It offers a fixed output voltage of 3.9V, which is ideal for a wide range of applications that require a stable and reliable power source. This regulator is particularly well-suited for portable electronic devices, where energy efficiency and space constraints are of paramount importance.

Key Features

• Output Voltage: Precisely regulated 3.9V output, suitable for consistent power delivery to sensitive electronics.
• High Accuracy: Maintains output voltage accuracy within ±1.5%, ensuring device performance and reliability.
• Low Dropout: Features a low dropout voltage, which enhances efficiency by allowing operation closer to the input voltage.
• Current Capacity: Capable of delivering up to 300mA of continuous output current, catering to a broad range of power requirements.
• Thermal Protection: Integrated thermal shutdown mechanism protects the device from overheating, enhancing its longevity.
• Short Circuit Protection: Built-in short circuit protection safeguards the regulator and the connected load from potential damage.
• Low Quiescent Current: Exhibits low ground current consumption, which is beneficial for battery-powered applications.
• Packaging: Comes in a compact SOT-25 package, which is space-efficient for designing dense PCB layouts.

Applications

The AP2128K-3.9TRG1 is versatile and can be used in various applications, including but not limited to:

• Battery-powered devices
• Mobile phones and PDAs
• Portable media players
• Wireless communication devices
• Handheld instrumentation

Quality and Reliability

Diodes Incorporated has a reputation for producing high-quality components that meet rigorous industry standards. The AP2128K-3.9TRG1 is no exception, with its design and manufacturing processes focused on delivering performance and reliability. Customers can trust this regulator to provide a consistent power supply, with the added assurance of protection features that guard against common electrical issues.