The XC6221B261GR is a low dropout (LDO) regulator manufactured by Torex Semiconductor Ltd. It is designed to provide a stable and accurate output voltage with low power consumption. The 'GR' suffix often signifies specific packaging options or features of the device.

Applications

• Portable Electronics: Power management in smartphones, tablets, and other battery-powered devices.
• Wireless Communication Devices: Suitable for powering Bluetooth modules, Wi-Fi devices, and other RF components.
• Audio Equipment: Provides a stable power supply for audio amplifiers and processors.
• Wearable Devices: Used in smartwatches, fitness trackers, and other wearable electronic devices.
• IoT (Internet of Things) Applications: Powering sensors, microcontrollers, and communication modules.

Features

• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the 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 XC6221B261GR provides a fixed output voltage of 2.6V. It typically operates with an input voltage range of 2.0V to 6.0V. The regulator is designed to be stable with low ESR ceramic capacitors, allowing for a compact and efficient design. The overcurrent and short circuit protection features enhance the robustness of the design, ensuring reliable operation even under fault conditions. The thermal shutdown function protects the device from damage due to excessive heat. The device is available in a small package, such as SOT-25, making it ideal for space-constrained applications. The low quiescent current further minimizes power consumption, helping to extend battery life in portable devices.