The XC6221A142MR is a highly accurate, low power consumption LDO regulator manufactured by Torex Semiconductor Ltd. It is designed to provide a stable output voltage even with fluctuating input voltage and load conditions. This regulator is ideal for portable devices and battery-powered applications due to its small size and low quiescent current.

Applications

• Mobile phones and smartphones
• Wireless communication devices
• Portable audio players
• Wearable devices such as smartwatches and fitness trackers
• IoT (Internet of Things) devices
• Battery-powered microcontrollers

Features

• High Accuracy: Provides a highly accurate output voltage (typically ±1%).
• Low Dropout Voltage: Operates with a very low difference between the input and output voltage.
• Low Power Consumption: Features a low quiescent current (typically around 2.0μA).
• Small Package: Available in small packages such as SOT-25, making it ideal for compact applications.
• Overcurrent Protection: Includes built-in overcurrent protection to protect the regulator and connected devices.
• Short-Circuit Protection: Protects the regulator from damage in the event of a short circuit.
• Thermal Shutdown Protection: Shuts down the regulator when the junction temperature exceeds a safe limit.

Benefits

• Stable Power Supply: Ensures a stable and reliable power supply for sensitive electronic components.
• Extended Battery Life: Low quiescent current helps to extend the battery life in portable devices.
• Compact Design: Small package size allows for a more compact and efficient design.
• Enhanced System Reliability: Overcurrent, short-circuit, and thermal shutdown protection mechanisms enhance the overall reliability of the system.
• Simplified Design: Integrated protection features simplify the design process and reduce the need for external components.
• Precise Voltage Regulation: Delivers precise voltage regulation to maintain consistent performance across varying conditions.

Additional Details

The XC6221A142MR operates over a wide input voltage range, typically from 1.8V to 6.0V, and provides a fixed output voltage of 1.4V. It is designed to be stable with low ESR ceramic capacitors, reducing the need for bulky external capacitors. The regulator is available in a SOT-25 package. The device's low noise characteristic also makes it suitable for noise-sensitive applications.