The R1114Q251B-TR-F is a voltage regulator IC produced by Ricoh. This is a low dropout (LDO) regulator, designed to provide a stable 2.5V output voltage from a higher input voltage. The device is optimized for applications where efficiency and compact size are critical.

Applications

• Power Management in Portable Electronics: Smartphones, tablets, MP3 players, and other battery-powered devices.
• Microcontroller and Microprocessor Power: Providing a stable voltage source for reliable operation.
• Wireless Communication Devices: Bluetooth modules, Wi-Fi modules, and other RF components.
• Sensor Power: Supplying a regulated voltage to various sensors in IoT and industrial applications.
• Memory Power: Providing power to memory ICs requiring a stable 2.5V supply.

Features

• Fixed Output Voltage: 2.5V regulated output.
• Low Dropout Voltage: Operates with minimal input-to-output voltage difference for improved efficiency.
• High Output Voltage Accuracy: Ensures the output voltage remains within a tight tolerance.
• Overcurrent Protection: Protects the regulator and the load from damage due to excessive current.
• Thermal Shutdown Protection: Prevents the IC from overheating and failing.
• Low Quiescent Current: Minimizes power consumption when the load current is low.
• Small Package Size: Enables compact circuit designs.

Benefits

• Stable Voltage Supply: Ensures the reliable operation of electronic devices.
• Protection Against Fault Conditions: Overcurrent and thermal shutdown prevent damage to the regulator and the load.
• High Efficiency: Minimizes power loss and extends battery life in portable devices.
• Compact Design: Small package size allows for use in space-constrained applications.
• Simplified Circuit Design: The fixed output voltage simplifies the design process.

Additional Details

The R1114Q251B-TR-F is typically available in a small surface-mount package, such as a DFN or SOT-23. The operating temperature range is generally specified as -40°C to +85°C. Consult the manufacturer's datasheet for detailed specifications, including input voltage range, output current capabilities, package dimensions, and soldering recommendations. The suffix 'TR-F' usually indicates tape and reel packaging designed for automated assembly. The 'B' in the part number likely refers to a specific revision or variant of the device.