The R3112Q281C-TR is a voltage regulator IC manufactured by Ricoh. It's a low-dropout (LDO) regulator designed to provide a stable output voltage even when the input voltage is close to the desired output voltage.

Applications

• Power management in portable devices
• Battery-powered equipment
• Microcontroller power supplies
• Sensor power supplies
• Post-regulation for switching power supplies

Features

• Low dropout voltage
• Low quiescent current
• High output voltage accuracy
• Overcurrent protection
• Thermal shutdown protection
• Small package size

Benefits

• Extends battery life due to low power consumption
• Provides a stable and accurate output voltage
• Protects the circuit from overcurrent and overheating conditions
• Saves board space due to its small size

Technical Specifications

Key specifications for the R3112Q281C-TR voltage regulator include:

• Output Voltage: 2.8V
• Input Voltage Range: Specifies the acceptable range of input voltages.
• Dropout Voltage: The minimum voltage difference between the input and output voltages for regulation.
• Quiescent Current: The current consumed by the regulator when it is not supplying load current.
• Output Current: The maximum current the regulator can supply.
• Output Voltage Accuracy: The tolerance of the output voltage.
• Operating Temperature Range: The range of ambient temperatures within which the device is guaranteed to operate.

Refer to the Ricoh datasheet for detailed specifications, application circuits, and pinout information.