The R1114Q181B-TR-FA is a voltage regulator IC manufactured by Ricoh. It is designed to provide a stable and regulated output voltage from a higher input voltage. This particular model features a fixed output voltage of 1.8V.

Applications

• Power management in portable devices: Such as smartphones, tablets, and other battery-operated devices.
• Voltage regulation in microcontrollers and microprocessors: Providing a stable and clean power supply.
• Point-of-load (POL) regulation: Providing localized voltage regulation close to the load.
• Power supply for IoT (Internet of Things) devices: Ensuring stable power to sensors and communication modules.
• Post regulation of switching power supplies.

Features

• Fixed output voltage: 1.8V regulated output.
• High accuracy: Provides a precisely regulated output.
• Low dropout voltage: Efficient operation with minimal input-output voltage difference.
• Overcurrent protection: Protects the IC and the load from excessive current.
• Thermal shutdown protection: Prevents overheating and damage.
• Small package size: Enables compact circuit designs.
• Low quiescent current: Minimizes power consumption in idle conditions.

Benefits

• Stable power supply: Ensures reliable operation of electronic devices.
• Protection against damage: Overcurrent and thermal shutdown prevent damage.
• Improved efficiency: Low dropout voltage and quiescent current minimize power loss.
• Extended battery life: Low quiescent current prolongs battery life in portable devices.
• Compact design: Small package facilitates integration into space-constrained applications.
• Simplified circuit design: Fixed output voltage simplifies design and reduces component count.

Additional Details

The R1114Q181B-TR-FA is commonly available in small surface-mount packages like DFN or SOT-23. The specific package is vendor dependent. The IC typically operates over a temperature range of -40°C to +85°C. Refer to the manufacturer's datasheet for precise specifications including input voltage range, output current capabilities, and package dimensions. The 'TR-FA' suffix signifies tape and reel packaging suitable for automated assembly processes. The 'B' indicates a specific revision or characteristic of the IC.