The R1114Q251D-TR is a low-dropout (LDO) voltage regulator manufactured by Ricoh. It is designed to provide a stable and regulated output voltage of 2.5V from a higher input voltage. This makes it suitable for various electronic devices and systems where a stable 2.5V power supply is required. The low dropout voltage feature ensures efficient operation even when the input voltage is only slightly higher than the output voltage.

Applications

• Powering Microcontrollers: Providing a stable 2.5V supply for reliable microcontroller operation.
• Portable Devices: Voltage regulation in smartphones, tablets, and other battery-powered devices.
• IoT Devices: Supplying regulated power to sensors, communication modules, and other IoT components.
• Wireless Communication Modules: Ensuring stable power for Bluetooth, Wi-Fi, and other wireless modules.
• Memory Devices: Powering low-voltage memory chips that require 2.5V.

Features

• Fixed Output Voltage: Provides a precisely regulated 2.5V output.
• Low Dropout Voltage: Maintains regulation even with a small difference between input and output voltage.
• High Accuracy: Ensures the output voltage remains within a tight tolerance.
• Overcurrent Protection: Protects the IC and the load from damage due to excessive current.
• Thermal Shutdown Protection: Prevents overheating and potential damage to the IC.
• Low Quiescent Current: Minimizes power consumption when the load is light or absent.
• Small Package Size: Allows for compact circuit designs.

Benefits

• Stable Power Supply: Ensures reliable operation of electronic devices.
• Protection Against Damage: Overcurrent and thermal shutdown features prevent damage.
• Improved Efficiency: Low dropout voltage and quiescent current minimize power loss.
• Extended Battery Life: Low quiescent current contributes to longer battery life in portable applications.
• Compact Design: Small package allows for integration into space-constrained applications.
• Simplified Circuit Design: Fixed output voltage simplifies the design process.

Additional Details

The R1114Q251D-TR is typically available in a small surface-mount package, such as DFN or SOT-23. The operating temperature range is usually specified as -40°C to +85°C. The 'TR' suffix usually indicates tape and reel packaging for automated assembly. Refer to the manufacturer's datasheet for detailed specifications including input voltage range, output current capabilities, and package dimensions. The 'D' likely indicates a specific revision or characteristic of the IC.