The Ricoh R1114D181B-TR-F is a low-dropout (LDO) voltage regulator designed for use in portable electronic devices and other applications that require a stable and efficient power supply. It features low quiescent current, high output voltage accuracy, and integrated protection circuits. The TR-F suffix suggests tape and reel packaging and environmental compliance.

Applications

• Mobile Phones and Smartphones: Core voltage regulation and power management.
• Wearable Devices: Power supply for smartwatches, fitness trackers, and other wearables.
• IoT (Internet of Things) Devices: Voltage regulation for sensors, microcontrollers, and communication modules.
• Portable Audio Players: Stable power supply for audio amplifiers and digital signal processors.
• Digital Cameras: Powering image sensors and other critical components.

Features

• Low Dropout Voltage: Ensures stable output voltage even with a small difference between input and output voltage.
• High Output Voltage Accuracy: Provides precise voltage regulation for sensitive electronic components.
• Low Quiescent Current: Minimizes power consumption in standby mode, extending battery life.
• Overcurrent Protection: Protects the regulator and connected components from damage due to excessive current draw.
• Thermal Shutdown Protection: Prevents overheating and potential damage to the IC.
• Enable/Disable Function: Allows the regulator to be turned on or off to further reduce power consumption.

Benefits

• Extended Battery Life: Low quiescent current and efficient regulation maximize battery runtime.
• Enhanced System Reliability: Overcurrent and thermal protection features ensure stable and reliable operation.
• Compact Product Design: Small package size allows for integration into miniaturized devices.
• Stable Voltage Supply: High output voltage accuracy ensures optimal performance of powered components.
• Reduced Power Dissipation: Efficient regulation minimizes heat generation, improving overall system efficiency.

Additional Details

The R1114D181B-TR-F is designed to provide a fixed output voltage of 1.8V. It is intended for surface mount assembly. The official Ricoh datasheet contains detailed electrical characteristics, including input voltage range, output current capability, operating temperature range, and typical application circuits. The device integrates an enable pin for power savings. The 'B' indicates a possible revision of the part, and the 'F' likely signifies RoHS compliance. Consult the datasheet for specifics.