The R1114N181B-TR-FF is a voltage regulator IC manufactured by Ricoh. It is part of the R1114 series, which is known for its low quiescent current and high accuracy. This specific part provides a stable 1.8V output voltage.

Applications

• Mobile Phones: Powers various components within mobile phones, such as the baseband processor and display driver.
• Tablets: Provides stable voltage for the application processor, memory, and other peripherals in tablets.
• Wearable Devices: Used in smartwatches, fitness trackers, and other wearables to regulate voltage and extend battery life.
• IoT Devices: Powers sensors, microcontrollers, and communication modules in Internet of Things applications.
• Wireless Communication Modules: Regulates voltage in Bluetooth, Wi-Fi, and other wireless modules.

Features

• Low Quiescent Current: Minimizes power consumption, extending battery life in portable devices.
• High Output Voltage Accuracy: Ensures a stable and reliable 1.8V output voltage.
• Overcurrent Protection: Protects the device and connected circuitry from damage due to excessive current.
• Short-Circuit Protection: Shuts down the output in the event of a short circuit to prevent damage.
• Thermal Shutdown: Protects the device from overheating by shutting down the output when the junction temperature exceeds a safe limit.
• Small Package Size: Available in compact packages such as SOT-23-5, making it suitable for space-constrained applications.

Benefits

• Extended Battery Life: The low quiescent current minimizes power consumption, resulting in longer battery life for portable devices.
• Improved System Reliability: The high output voltage accuracy ensures stable operation of connected circuits.
• Protection Against Fault Conditions: Overcurrent, short-circuit, and thermal shutdown protection features prevent damage to the device and connected components.
• Compact Design: The small package size allows for use in space-constrained applications.
• Simplified Design: Integrated protection features simplify the design process and reduce the need for external components.

Additional Details

The R1114N181B-TR-FF operates with an input voltage range typically from 2.0V to 6.0V. It is available in a SOT-23-5 package. The operating temperature range is typically from -40°C to +85°C. The device also includes a chip enable (CE) pin, which can be used to shut down the regulator and further reduce power consumption when the device is not in use.