The XC6221B282MRN is a low dropout (LDO) regulator manufactured by Torex Semiconductor Ltd. It is designed to provide a stable and accurate output voltage while consuming very little power. This makes it ideal for use in battery-powered devices and other applications where energy efficiency is crucial. The 'N' suffix typically indicates a specific packaging or other minor feature variation.

Applications

• Mobile Phones: Provides stable voltage regulation for various internal circuits.
• Wireless Communication Devices: Power management for Bluetooth modules, Wi-Fi devices, and other RF components.
• Portable Audio Players: Supplies a clean and stable voltage to audio amplifiers and processors.
• Wearable Devices: Used in smartwatches, fitness trackers, and other wearable electronic gadgets.
• IoT (Internet of Things) Devices: Provides regulated power for sensors, microcontrollers, and communication modules in IoT applications.

Features

• Low Dropout Voltage: Ensures efficient operation even with a small difference between input and output voltage.
• High Output Voltage Accuracy: Provides a stable and precise output voltage.
• Low Power Consumption: Minimizes battery drain in portable devices.
• Small Package: Available in compact packages for space-constrained applications.
• Overcurrent Protection: Protects the regulator and connected circuitry from damage due to excessive current.
• Short Circuit Protection: Shuts down the output in case of a short circuit to prevent damage.
• Thermal Shutdown: Prevents overheating and potential damage to the regulator.
• Ceramic Capacitor Compatible: Stable operation with ceramic capacitors.

Benefits

• Extended Battery Life: Low power consumption maximizes the operational time of battery-powered devices.
• Stable Power Supply: Ensures reliable performance of connected circuits.
• Reduced Board Space: Small package allows for compact designs.
• Improved System Reliability: Protection features prevent damage from overcurrent, short circuits, and overheating.
• Simplified Design: Requires minimal external components.

Additional Details

The XC6221B282MRN provides a fixed output voltage of 2.8V. It typically operates with an input voltage range of 2.0V to 6.0V. The regulator is stable with low ESR ceramic capacitors, contributing to its compact size and suitability for portable applications. The overcurrent and short circuit protection features enhance the robustness of the design, ensuring reliable operation even under fault conditions. Thermal shutdown protects the device from damage due to excessive heat. The device is available in a small package, such as SOT-25 or similar, making it ideal for space-constrained applications. The low quiescent current further minimizes power consumption, extending the battery life of portable devices.