The R1211N002A-TR-FB is a voltage regulator IC produced by Ricoh. This component is designed to provide a stable and regulated voltage output for various electronic circuits. Its key features include low power consumption, high accuracy, and various protection mechanisms, making it suitable for battery-powered and other power-sensitive applications.

Applications

• Mobile Phones: Used in power management sections for stable voltage supply to critical components.
• Bluetooth Headsets: Provides stable voltage to the Bluetooth chip and audio amplifier.
• Portable Game Consoles: Regulates voltage for the CPU, GPU, and display.
• GPS Devices: Ensures stable operation of the GPS receiver.
• Digital Audio Players: Supplies stable voltage to the audio processing components.

Features

• Low Dropout Voltage: Maintains a stable output voltage even with a small difference between input and output voltages.
• High Output Voltage Accuracy: Delivers a precise and stable output voltage for sensitive electronic components.
• Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying a load.
• Overcurrent Protection: Prevents damage due to excessive current draw.
• Short-Circuit Protection: Shuts down the regulator in case of a short circuit.
• Thermal Shutdown Protection: Protects the device from overheating.
• Small Package: Allows for integration into compact devices.

Benefits

• Extended Battery Life: Low quiescent current contributes to longer battery life in portable devices.
• Stable System Performance: Accurate and stable voltage regulation ensures consistent performance.
• Protection Against Damage: Overcurrent and short-circuit protection prevent damage to the regulator and connected circuitry.
• Space Saving: Small package size allows for more compact designs.
• Improved Reliability: Thermal shutdown protection enhances system reliability.

Additional Details

The R1211N002A-TR-FB has a target output voltage of 0.2V. It typically operates with an input voltage range between 1.6V and 5.5V. It is packaged in a small footprint package like DFN or SOT. The operating temperature range generally spans from -40°C to +85°C. External ceramic capacitors are often recommended for input and output filtering to improve stability and reduce noise. For precise electrical characteristics and recommended application circuits, the specific datasheet should be consulted.