The XC6401EE38MRN is a highly precise and low-power consumption LDO (Low Dropout) regulator manufactured by Torex Semiconductor Ltd. It is designed to provide a stable output voltage even when the input voltage is close to the output voltage, making it ideal for battery-powered devices and other applications where efficiency is critical. The XC6401 series is known for its small package size and excellent transient response, ensuring reliable performance in dynamic load conditions.

Applications:

• Battery-powered devices: Smartphones, tablets, and wearable devices.
• Portable equipment: MP3 players, digital cameras, and handheld gaming consoles.
• Wireless communication devices: Bluetooth modules, Zigbee modules, and Wi-Fi modules.
• Microcontroller power supplies: Providing stable power to MCUs in various embedded systems.
• Sensor modules: Powering sensors in IoT devices and industrial automation systems.

Features:

• Low Dropout Voltage: Ensures stable output voltage even with low input voltage.
• Low Quiescent Current: Minimizes power consumption in standby mode.
• High Output Voltage Accuracy: Provides a precise and stable output voltage.
• Overcurrent Protection: Protects the regulator and the load from damage due to excessive current.
• Short Circuit Protection: Prevents damage in case of a short circuit at the output.
• Small Package Size: Available in compact packages for space-constrained applications.
• Excellent Transient Response: Maintains stable output during load changes.

Benefits:

• Extended Battery Life: Low quiescent current and high efficiency contribute to longer battery life in portable devices.
• Stable Power Supply: Provides a stable and reliable power supply for sensitive electronic components.
• Protection Against Damage: Overcurrent and short circuit protection prevent damage to the regulator and the load.
• Space Saving: Small package size allows for compact designs.
• Improved System Performance: Excellent transient response ensures stable operation even with dynamic loads.

The XC6401EE38MRN offers a fixed output voltage of 3.8V. The specific package is a small, low-profile package suitable for dense circuit board layouts. It operates over a wide temperature range, typically -40°C to +85°C, making it suitable for use in a variety of environments. The device also features a built-in inrush current limit circuit, which helps to reduce stress on the input power source during startup. The regulator is designed to be stable with ceramic output capacitors, further simplifying design and reducing the overall solution size. The XC6401 series generally requires minimal external components, typically only input and output capacitors, which helps to reduce the overall BOM (Bill of Materials) cost.