The XC6221D2917R-G is a low dropout (LDO) regulator manufactured by Torex Semiconductor Ltd. It is designed to provide a stable 2.9V output voltage, and is part of the XC6221 series known for its low quiescent current and high accuracy. This makes it suitable for various battery-powered and portable applications that require efficient power management.

Applications

• Portable Devices: Used in smartphones, tablets, and other portable electronics for efficient power management.
• Wearable Technology: Suitable for smartwatches, fitness trackers, and other wearables.
• IoT (Internet of Things) Devices: Provides a stable 2.9V supply for sensors, microcontrollers, and communication modules.
• Wireless Communication Modules: Powering Bluetooth, Wi-Fi, and other wireless circuits.
• Low-Power Microcontrollers: Ensures a stable voltage for reliable microcontroller operation.

Features

• Fixed 2.9V Output Voltage: Provides a stable and accurate 2.9V output.
• Low Dropout Voltage: Ensures stable output even with a small difference between input and output voltage.
• Low Quiescent Current: Minimizes power consumption in standby mode, extending battery life.
• High Output Voltage Accuracy: Ensures the output voltage remains within tight tolerances.
• Overcurrent Protection: Protects the regulator and the load from excessive current draw.
• Thermal Shutdown Protection: Prevents damage from overheating.
• Short Circuit Protection: Safeguards the regulator in the event of a short circuit at the output.

Benefits

• Extended Battery Life: Low quiescent current and high efficiency prolong battery life.
• Stable Power Supply: Delivers a consistent and reliable 2.9V power source.
• Compact Solution: Available in small packages suitable for space-constrained applications.
• Simplified Design: Requires minimal external components.
• Enhanced System Reliability: Built-in protection features prevent damage from various fault conditions.

Additional Details

The XC6221D2917R-G operates with an input voltage typically up to 6.0V. It includes an output capacitor (CL) automatic discharge function, ensuring rapid discharge of the output capacitor when the LDO is disabled, de-energizing the load quickly. This LDO regulator is ideal for applications where a stable and efficient 2.9V power supply is required, especially in battery-powered and portable devices. The built-in protection features enhance the overall reliability and robustness of the system. Refer to the manufacturer's datasheet for complete specifications and application guidelines.