The XC6209B382MR is a low dropout (LDO) voltage regulator from Torex Semiconductor Ltd. It is designed to provide a stable and regulated output voltage of 3.8V. This regulator is characterized by its low quiescent current, high accuracy, and built-in protection features, making it suitable for various battery-powered and portable applications.

Applications

• Portable Electronics: Voltage regulation for various components in smartphones, tablets, and MP3 players.
• Wireless Communication Devices: Powering RF modules, Bluetooth devices, and other wireless communication circuits.
• Wearable Devices: Ensuring stable power for sensors, microcontrollers, and displays in smartwatches and fitness trackers.
• IoT Devices: Regulating power for sensors, microcontrollers, and communication modules in IoT applications.
• Medical Devices: Providing stable voltage for sensitive medical sensors and monitoring equipment.

Features

• Low Dropout Voltage: Maintains output voltage regulation even with a small voltage difference between input and output.
• High Output Voltage Accuracy: Provides a stable output voltage of 3.8V with high accuracy.
• Low Quiescent Current: Minimizes power consumption in standby mode, extending battery life.
• Overcurrent Protection: Protects the regulator and load from damage due to excessive current.
• Short Circuit Protection: Shuts down the output in the event of a short circuit condition.
• Thermal Shutdown Protection: Protects the device from overheating under high load conditions.
• Small Package: Available in compact packages like SOT-25 or DFN, ideal for space-constrained applications.
• Ceramic Capacitor Compatible: Stable operation with ceramic capacitors.

Benefits

• Extended Battery Life: Low quiescent current and high efficiency contribute to longer battery life in portable devices.
• Stable and Reliable Performance: Accurate output voltage ensures consistent operation of connected components.
• Protection Against Fault Conditions: Overcurrent, short circuit, and thermal shutdown protection prevent damage to the regulator and connected circuitry.
• Compact Design: Small package size allows for integration into space-constrained applications.
• Simplified Design: Easy to use with minimal external components required.

Additional Details

The XC6209B382MR is designed to operate within an input voltage range of 2.0V to 6.0V and provides a fixed output voltage of 3.8V. The device integrates a precise reference voltage source, error amplifier, and output driver to achieve stable and accurate voltage regulation. Its internal protection features enhance the reliability and robustness of the system. It is optimized for use with small ceramic output capacitors, contributing to a smaller overall solution size and improved transient response.