The R1111N311B-TR-FE is a voltage regulator IC manufactured by Ricoh. It's designed to provide a stable and efficient power supply in various electronic devices. This regulator features low dropout voltage and low quiescent current, making it suitable for battery-powered applications.

Applications

• Battery-powered devices
• Mobile phones
• Wireless communication devices
• Portable audio players
• Power management systems
• Microcontroller power supplies

Features

• Low Dropout Voltage: Ensures stable output voltage even with low input voltage.
• Low Quiescent Current: Minimizes power consumption in standby mode.
• Overcurrent Protection: Protects the IC and the connected load from damage.
• Short-Circuit Protection: Prevents damage in case of a short circuit.
• Thermal Shutdown: Protects the IC from overheating.
• Small Package: Allows for space-saving designs.
• High Output Voltage Accuracy: Provides a stable and precise output voltage.

Benefits

• Extended Battery Life: Low quiescent current reduces power consumption, prolonging battery life.
• Improved System Reliability: Protection features prevent damage from overcurrent, short circuits, and overheating.
• Simplified Design: Integrated features reduce the need for external components.
• Compact Solution: Small package size allows for use in space-constrained applications.
• Stable Power Supply: Provides a consistent and reliable power source for sensitive electronic components.

Additional Details

The R1111N311B-TR-FE has an output voltage of 3.1V. It is available in a SOT-23-5 package. The operating temperature range is typically -40°C to +85°C. The output current capability is up to 300mA. It is designed to be lead-free and RoHS compliant.