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XC6501B421NR-G

XC6501B421NR-G Description

The XC6501B421NR-G is a high-performance linear regulator designed by Torex Semiconductor Ltd., a leading manufacturer in the power management integrated circuit (PMIC) domain. This device is specifically tailored for applications requiring a fixed output voltage of 4.2V and a maximum output current of 200mA. The regulator operates with an input voltage range up to 6V, ensuring compatibility with a variety of power sources. Its low dropout voltage of 0.33V at 200mA allows for efficient operation even under low input-to-output voltage differentials, making it suitable for battery-powered devices where input voltage may vary significantly.

XC6501B421NR-G Features

• Fixed Output Voltage: The XC6501B421NR-G provides a stable 4.2V output, ensuring consistent power delivery to connected devices.
• Efficient Low Dropout: With a maximum dropout voltage of 0.33V at 200mA, this regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: A quiescent current of just 22 µA minimizes power consumption in standby mode, extending battery life in portable applications.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 50dB at 1kHz, effectively filtering out noise from the input power supply and ensuring clean output voltage.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator's operation, enabling power-saving modes and facilitating soft start-up sequences.
• Over Current Protection: Built-in over current protection safeguards the regulator and connected circuits from damage due to excessive current draw.
• Surface Mount Packaging: The SSOT24 package is designed for surface mount technology (SMT), facilitating compact and reliable PCB assembly.
• Compliance and Reliability: The XC6501B421NR-G is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. The moisture sensitivity level (MSL) of 1 (unlimited) makes it suitable for a wide range of manufacturing environments.

XC6501B421NR-G Applications

The XC6501B421NR-G is ideal for a variety of applications where efficient power management and stable voltage regulation are critical. Key use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make this regulator perfect for portable electronics such as smartphones, tablets, and wearable devices, where battery life and efficiency are paramount.
• Consumer Electronics: Devices such as digital cameras, media players, and other consumer electronics benefit from the stable 4.2V output and high PSRR, ensuring reliable operation and reduced noise.
• Industrial Applications: The regulator's robust design and over current protection make it suitable for industrial control systems, sensors, and instrumentation, where reliability and durability are essential.
• Medical Devices: The compact SSOT24 package and high performance make this regulator a good fit for medical devices requiring precise power management and minimal footprint.

Conclusion of XC6501B421NR-G

The XC6501B421NR-G from Torex Semiconductor Ltd. stands out as a versatile and efficient linear regulator, offering a combination of high performance and reliability. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications where power efficiency and noise reduction are critical. The enable control feature and over current protection further enhance its functionality and safety. With its compact surface mount package and compliance with environmental standards, the XC6501B421NR-G is well-suited for a wide range of applications, from portable consumer electronics to industrial and medical devices.