The R1114N251A-TR-F is a voltage regulator IC manufactured by Ricoh. It is part of the R1114 series, known for its low supply current and high accuracy. This specific variant offers a fixed output voltage of 2.5V.

Applications

• Power Management in Portable Devices: Smartphones, tablets, and other battery-powered electronics where efficient voltage regulation is needed.
• Microcontroller Power Supplies: Providing a stable and regulated 2.5V voltage source for microcontrollers and digital circuits.
• Sensor Power Supplies: Supplying regulated power to various types of sensors requiring a 2.5V supply.
• Wireless Communication Devices: Powering components in Bluetooth modules, Wi-Fi devices, and other wireless transceivers.
• Wearable Electronics: Ideal for smartwatches, fitness trackers, and similar devices demanding small size and low power consumption.

Features

• Low Supply Current: Minimizes power consumption, extending battery life in portable applications.
• High Output Voltage Accuracy: Ensures a stable and reliable 2.5V output voltage.
• Small Package: Available in compact packages suitable for space-constrained applications, such as SOT-23-5.
• Overcurrent Protection: Protects the IC and connected circuitry from damage due to excessive current draw.
• Short-Circuit Protection: Provides protection against short circuits, preventing damage to the IC and power supply.
• Thermal Shutdown Protection: Protects the IC from overheating by shutting down the output when the junction temperature exceeds a limit.

Benefits

• Extended Battery Life: The low supply current helps prolong battery life in portable devices.
• Improved System Reliability: The high output voltage accuracy ensures consistent and stable operation.
• Reduced Board Space: The small package enables compact and efficient circuit designs.
• Enhanced System Protection: Overcurrent, short-circuit, and thermal shutdown protection prevent damage.
• Simplified Design: Integrated protection features simplify design and reduce the need for external components.

Additional Details

The R1114N251A-TR-F is typically supplied in a small SOT-23-5 or similar surface-mount package. Its input voltage range is generally between 2.0V and 6.0V, and it provides a fixed output voltage of 2.5V. The IC often includes a chip enable (CE) function to allow the output to be turned on and off for further power saving. The operating temperature range is typically -40°C to +85°C.