The AP2129K-3.3TRG1 is a high-performance, low-dropout linear regulator offered by Diodes Incorporated, designed to provide a stable and reliable power supply in a wide range of applications. This regulator is capable of delivering a continuous output current of up to 300mA, making it suitable for powering sensitive electronic components in both portable and stationary applications.

Key Features

• Output Voltage: The device provides a fixed output voltage of 3.3V, which is a common requirement for many digital circuits and microcontrollers.
• High Accuracy: The output voltage accuracy is maintained within ±1%, ensuring precise power delivery for critical applications.
• Low Dropout Voltage: With a low dropout voltage of typically 250mV at full load, the AP2129K-3.3TRG1 is efficient and can operate close to the input supply voltage.
• Thermal Protection: The built-in thermal shutdown feature protects the device against overheating, enhancing system reliability.
• Current Limit Protection: The current limit protection prevents damage to the regulator and the load in the event of a fault condition or excessive power demand.
• Low Quiescent Current: The device boasts a low quiescent current, which is ideal for battery-powered devices where power conservation is crucial.

Applications

The AP2129K-3.3TRG1 is versatile and can be used in various applications, including but not limited to:

• Mobile phones and PDAs
• Portable media players
• Wireless LAN devices
• GPS receivers
• Other battery-powered devices

Package and Availability

This regulator is offered in a compact SOT-25 package, which is ideal for space-constrained applications. The AP2129K-3.3TRG1 is available in tape and reel format, facilitating efficient assembly during the manufacturing process.

Conclusion

With its combination of features, the AP2129K-3.3TRG1 from Diodes Incorporated is an excellent choice for designers looking for a reliable LDO regulator that offers consistent performance, high efficiency, and robust protection features. Its suitability for a wide range of applications makes it a valuable component in any power management solution.