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XC6901D391ER-G

XC6901D391ER-G Description

The XC6901D391ER-G is a high-performance linear voltage regulator designed by Torex Semiconductor Ltd. This device is part of the XC6901 series and offers a fixed output voltage of -3.9V with a maximum output current of 200mA. It is designed for surface mount applications and comes in a 6USPC package, ensuring compact and efficient integration into various electronic systems. The regulator is known for its low dropout voltage of 0.129V at 20mA, which makes it ideal for applications where input voltage is close to the desired output voltage. The XC6901D391ER-G also features a low quiescent current of 200 µA, contributing to its high efficiency and suitability for low-power applications.

XC6901D391ER-G Features

• Output Type: Fixed, ensuring a stable and consistent output voltage of -3.9V.
• Output Current: Capable of delivering up to 200mA, making it suitable for a wide range of applications requiring moderate current.
• Low Dropout Voltage: With a maximum dropout voltage of 0.129V at 20mA, it operates efficiently even with minimal input-to-output voltage difference.
• Low Quiescent Current: Features a quiescent current of only 200 µA, which is crucial for maintaining high efficiency in low-power applications.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 45dB at 1kHz ensures excellent noise rejection, providing clean and stable output voltage.
• Control and Protection Features: Equipped with an enable control feature and overcurrent and overtemperature protection, ensuring reliable operation under various conditions.
• Compliance and Packaging: The XC6901D391ER-G is REACH unaffected and RoHS3 compliant, adhering to stringent environmental regulations. It is available in a Tape & Reel (TR) package, facilitating easy handling and integration into automated manufacturing processes.
• Moisture Sensitivity Level: MSL 1 (Unlimited), ensuring the device is robust against moisture, which is essential for reliable performance in diverse environments.

XC6901D391ER-G Applications

The XC6901D391ER-G is ideal for applications requiring a stable negative voltage supply with low power consumption. Its low dropout voltage and high PSRR make it particularly suitable for:

• Battery-powered devices: Where input voltage can vary significantly and efficiency is critical.
• Portable electronics: Such as smartphones, tablets, and wearables, where space and power efficiency are paramount.
• Medical devices: Where stable and reliable power supply is essential for accurate performance.
• Industrial control systems: Where high noise rejection and stable voltage output are required for precise control and monitoring.
• Communication equipment: Ensuring clean power supply for sensitive components like RF circuits and signal processing units.

Conclusion of XC6901D391ER-G

The XC6901D391ER-G stands out as a highly efficient and reliable linear voltage regulator, offering a unique combination of low dropout voltage, low quiescent current, and high PSRR. Its fixed -3.9V output and 200mA current capability make it suitable for a wide range of applications, particularly those requiring stable negative voltage supply. The inclusion of enable control and comprehensive protection features further enhances its reliability and versatility. With its compact 6USPC package and surface mount compatibility, the XC6901D391ER-G is an excellent choice for designers looking to integrate a high-performance regulator into their electronic systems.