The R3111Q231B-TR-F is a voltage regulator IC manufactured by Ricoh. This is a high-accuracy voltage regulator featuring a low supply current. It provides a stable 2.3V output voltage with internal short-circuit protection and auto-discharge function. The IC is available in a small SOT-23-5 package. The "-TR" suffix represents tape and reel packaging for automated assembly and "-F" signifies it is a lead-free component.

Applications:

• Power Management for Portable Devices
• Voltage Regulation in Wireless Communication Modules
• Sensor Power Supply
• Real-Time Clock (RTC) Power
• Microcontroller Power Supply

Features:

• Output Voltage: 2.3V (Fixed)
• High-Accuracy Output Voltage: ±0.8%
• Low Supply Current: 95 μA (Typical)
• Maximum Input Voltage: 6.5V
• Output Voltage Temperature Coefficient: ±30 ppm/°C (Typical)
• Short-Circuit Protection: Prevents damage due to short circuits.
• Auto-Discharge Function: Rapidly discharges output capacitor when disabled.
• Package: SOT-23-5
• Operating Temperature Range: -40°C to +85°C

Benefits:

• Precise Voltage Regulation: Ensures stable operation of sensitive electronic components.
• Longer Battery Life: Low supply current optimizes energy efficiency in battery-powered devices.
• Protection Against Damage: Short-circuit protection prevents potential damage to the regulator and other components.
• Simplified Circuitry: The auto-discharge function minimizes the need for external components.
• Compact Design: The small SOT-23-5 package saves valuable board space.

Additional Details:

The R3111Q231B-TR-F regulator provides a stable and reliable 2.3V power supply. The low quiescent current makes it suitable for battery-powered applications. The short-circuit protection enhances the robustness of the overall system. The auto-discharge functionality ensures quick discharging of the output capacitor when disabled, which prevents unexpected behavior in downstream circuits. The tape and reel packaging facilitates automated assembly processes, and the lead-free construction meets environmental compliance standards.