The R1111N201B-TR-F is a CMOS-based voltage regulator IC manufactured by Ricoh. It is a low-dropout (LDO) regulator designed to provide a stable output voltage with low current consumption. It is typically used in portable devices and other applications where efficiency and small size are critical.

Applications

• Power supply for microcontrollers
• Power management in mobile devices
• Battery-powered equipment
• Sensor modules
• Wireless communication devices

Features

• Output Voltage: 2.0V (Fixed)
• Input Voltage Range: 1.4V to 6.0V
• Low Dropout Voltage: Ensures efficient regulation even with low input voltage
• Low Quiescent Current: Minimizes power consumption in standby mode
• Overcurrent Protection: Protects the regulator and the load from overcurrent conditions
• Short-Circuit Protection: Provides additional protection against short circuits
• Small Package: Available in a compact package for space-constrained applications

Benefits

• Provides a stable and accurate 2.0V power supply for sensitive electronic components
• Extends battery life in portable devices due to low quiescent current
• Protects connected devices from overcurrent and short-circuit conditions, enhancing system reliability
• Enables efficient power management in battery-powered applications
• Simplifies circuit design with its fixed output voltage and integrated protection features

Additional Details

The R1111N201B-TR-F LDO regulator is designed to provide a stable and reliable power supply for a variety of applications. Its low dropout voltage allows it to operate efficiently even when the input voltage is close to the output voltage. The regulator’s low quiescent current minimizes power consumption in standby mode, which is crucial for battery-powered devices. The integrated overcurrent and short-circuit protection features protect both the regulator and the connected devices from damage. This regulator is commonly used in applications where efficiency, small size, and stable voltage regulation are essential. The fixed 2.0V output makes it suitable for powering microcontrollers and other digital ICs that require a low-voltage power supply.