The R1111N461B-TR-F is a voltage regulator IC manufactured by Ricoh. This regulator provides a stable and precise 4.6V output, making it ideal for powering various electronic components and systems. The "-TR-F" suffix likely denotes a specific packaging option, such as tape and reel for automated assembly processes.

Applications:

• Powering Microcontrollers: Provides a stable 4.6V supply for microcontrollers requiring this specific voltage.
• Sensor Power Supply: Used to power sensors requiring a stable and accurate voltage.
• Portable Electronic Devices: Voltage regulation in battery-powered devices such as handheld meters.
• Wireless Communication Modules: Supplies regulated power to RF modules and other wireless components.
• General Purpose Voltage Regulation: Used in a wide range of applications where a stable 4.6V rail is needed.

Features:

• High Output Voltage Accuracy: Delivers a precisely regulated 4.6V output.
• Low Dropout Voltage: Maintains regulation with a minimal difference between input and output voltage.
• Low Quiescent Current: Minimizes power consumption, extending battery life in portable applications.
• Overcurrent Protection: Protects the regulator and the load from excessive current draw.
• Thermal Shutdown Protection: Prevents damage from overheating by shutting down the regulator.
• Enable/Disable Control: Allows for power saving by disabling the regulator when not needed.
• Compact Package: Suitable for use in space-constrained applications.

Benefits:

• Stable and Reliable Power: Provides a consistent voltage supply for sensitive electronic components.
• Extended Battery Life: Low quiescent current reduces power consumption in battery-powered systems.
• Protection Against Damage: Overcurrent and thermal shutdown features protect the regulator and the load.
• Efficient Operation: Low dropout voltage improves efficiency, especially in low-voltage applications.
• Simplified Design: Requires minimal external components, simplifying circuit design and reducing board space.

The R1111N461B-TR-F is particularly useful in applications where a stable 4.6V supply is critical for the proper functioning of the connected components. Its low dropout voltage and low quiescent current are key advantages in battery-powered devices. The built-in protection features enhance the overall reliability of the system.

Technical Specifications (Typical):

• Output Voltage: 4.6V
• Input Voltage Range: Consult datasheet for specific range.
• Dropout Voltage: Consult datasheet for specific value at rated current.
• Quiescent Current: Consult datasheet for typical value.
• Operating Temperature Range: Consult datasheet for operating temperature range.