The XC6219B11AMR is a low dropout (LDO) regulator IC produced by Torex Semiconductor Ltd. It is designed to provide a stable and accurate output voltage even when the input voltage is close to the desired output voltage. The device is characterized by its low noise and high efficiency, making it suitable for battery-powered devices and other applications where power conservation is crucial.

Applications

• Mobile Phones: Powering audio circuits, camera modules, and other low-voltage components.
• Wearable Devices: Supplying stable power to microcontrollers and sensors in smartwatches and fitness trackers.
• Portable Audio Players: Providing clean power to audio amplifiers for high-fidelity sound.
• Wireless Communication Devices: Regulating voltage for Bluetooth, Wi-Fi, and other wireless modules.
• IoT (Internet of Things) Devices: Power management for sensors and communication units in connected devices.

Features

• Low Dropout Voltage: Ensures stable output voltage even when the input voltage is close to the output voltage.
• High Output Voltage Accuracy: Provides precise voltage regulation.
• Low Noise: Minimizes output voltage ripple and noise.
• Small Package Size: Available in compact packages such as SOT-25.
• Overcurrent Protection: Protects the regulator and connected devices from damage due to excessive current.
• Thermal Shutdown Protection: Prevents the regulator from overheating.
• Low Quiescent Current: Minimizes power consumption in standby mode.

Benefits

• Extended Battery Life: High efficiency and low quiescent current contribute to longer battery life.
• Reliable Performance: Stable output voltage ensures consistent operation of connected devices.
• Improved Signal Quality: Low noise characteristics enhance the performance of sensitive analog circuits.
• Compact Design: Small package size allows for integration in space-constrained applications.
• Enhanced System Protection: Overcurrent and thermal shutdown protection features enhance overall system reliability.

Additional Details

The XC6219B11AMR typically operates with an input voltage range of 1.8V to 6.0V, providing a fixed output voltage of 1.1V. The output current capability can vary based on the specific package and operating conditions, usually ranging from 200mA to 500mA. Consult the datasheet for detailed electrical characteristics, including dropout voltage, output voltage accuracy, and ripple rejection. The component is RoHS compliant.