The R1114N181D-TR-F is a low-dropout (LDO) regulator IC manufactured by Ricoh. It is designed to provide a stable 1.8V output voltage while consuming very little power, making it ideal for battery-powered and portable applications.

Applications

• Portable Electronics: Used in smartphones, tablets, and other mobile devices to regulate voltage for critical components.
• Wearable Devices: Provides a stable power supply for smartwatches, fitness trackers, and other wearable gadgets.
• IoT (Internet of Things) Devices: Powers sensors, microcontrollers, and communication modules in IoT devices.
• Wireless Communication: Regulates voltage in Bluetooth modules, Wi-Fi devices, and other wireless communication systems.
• Camera Modules: Provides a stable and regulated voltage source for camera modules in various devices.

Features

• Low Dropout Voltage: Ensures stable output voltage even with a small difference between input and output voltage.
• High Output Voltage Accuracy: Provides a precise and stable 1.8V output voltage.
• Low Quiescent Current: Minimizes power consumption, extending battery life in portable applications.
• Overcurrent Protection: Protects the IC 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 Protection: Protects the IC from overheating by shutting down the output when the junction temperature exceeds a certain limit.

Benefits

• Extended Battery Life: Low quiescent current leads to longer battery life in portable devices.
• Improved System Reliability: High output voltage accuracy ensures stable operation of connected circuits.
• Robust Protection: Overcurrent, short-circuit, and thermal shutdown protection features enhance system reliability.
• Compact Design: Small package size allows for use in space-constrained applications.
• Simplified Design: Integrated protection features simplify the design process.

Additional Details

The R1114N181D-TR-F typically operates with an input voltage range of 2.0V to 6.0V. It is available in a small SOT-23-5 package. The operating temperature range is usually from -40°C to +85°C. It also includes a chip enable (CE) pin, which allows the regulator to be turned off for even lower power consumption when not in use.