The XC6219B142MRN is a low dropout (LDO) regulator manufactured by Torex Semiconductor Ltd. This regulator is designed to provide a stable and accurate output voltage even when the input voltage is close to the output voltage. It is characterized by its low noise and high efficiency, making it ideal for use in battery-powered devices and sensitive electronic circuits.

Applications

• Smartphones: Powering sensitive analog and digital circuits requiring a stable voltage supply.
• Wearable Devices: Providing regulated power to microcontrollers, sensors, and communication modules in smartwatches and fitness trackers.
• Portable Audio Players: Ensuring clean power for audio amplifiers and DACs (Digital-to-Analog Converters) to minimize noise and distortion.
• IoT (Internet of Things) Devices: Powering sensors, wireless communication modules, and microcontrollers in connected devices.
• Wireless Communication Modules: Providing a stable voltage supply for Bluetooth, Wi-Fi, and other wireless communication ICs.

Features

• Low Dropout Voltage: Ensures a stable output voltage even when the input voltage is only slightly higher than the output voltage.
• High Output Voltage Accuracy: Provides a precise and stable output voltage.
• Low Noise: Minimizes output voltage ripple and noise, crucial for sensitive analog circuits.
• Small Package Size: Available in compact packages such as SOT-25, making it suitable for space-constrained applications.
• Overcurrent Protection: Protects the regulator and the load from damage due to excessive current.
• Thermal Shutdown Protection: Prevents the regulator from overheating and failing.
• Low Quiescent Current: Minimizes power consumption when the regulator is in standby mode.

Benefits

• Extended Battery Life: High efficiency and low quiescent current contribute to longer battery life in portable devices.
• Improved System Reliability: Stable and accurate output voltage ensures consistent operation of connected components.
• Enhanced Audio Performance: Low noise characteristics improve the performance of audio circuits by reducing noise and distortion.
• Compact Design: Small package size allows for integration into space-constrained applications.
• Increased System Protection: Overcurrent and thermal shutdown protection prevent damage to the regulator and the load.

Additional Details

The XC6219B142MRN typically operates with an input voltage range of 1.8V to 6.0V and provides a fixed output voltage of 1.4V. The output current capability can vary depending on the specific package and operating conditions, but is generally in the range of 200mA to 500mA. Detailed specifications, including dropout voltage, quiescent current, and output voltage accuracy, can be found in the manufacturer's datasheet. It is RoHS compliant.