The R1211N002B-TR is a voltage regulator IC manufactured by Ricoh. It's designed to provide a stable and regulated output voltage for various electronic applications. Key characteristics include low power consumption, high output voltage accuracy, and built-in protection features. This makes it suitable for use in battery-powered devices and other applications where efficiency and reliability are important.

Applications

• Smart Cards: Provides a stable voltage supply for the microcontroller and memory components.
• RF Modules: Regulates the voltage for the RF transceiver and other sensitive circuits.
• Low-Power Microcontrollers: Supplies power to the microcontroller core and peripherals.
• Medical Devices: Used in portable medical devices like glucose meters and heart rate monitors.
• Security Systems: Provides stable power to sensors and control circuits.

Features

• Low Dropout Voltage: Ensures a stable output voltage even when the input voltage is close to the output voltage.
• High Output Voltage Accuracy: Delivers a precise and stable output voltage, essential for sensitive components.
• Low Quiescent Current: Minimizes power consumption during standby or low-load conditions.
• Overcurrent Protection: Protects the regulator and the load from damage due to excessive current.
• Short-Circuit Protection: Shuts down the regulator in the event of a short circuit.
• Thermal Shutdown Protection: Prevents the device from overheating and causing damage.
• Small Package Size: Facilitates integration into compact electronic devices.

Benefits

• Extended Battery Life: Low quiescent current contributes to longer operating times for battery-powered devices.
• Reliable System Operation: Stable voltage regulation ensures consistent performance of the connected circuitry.
• Protection Against Failures: Overcurrent, short-circuit, and thermal shutdown protection features prevent damage to the regulator and the load.
• Compact Design: Small package size allows for space-saving designs in portable electronics.
• Improved System Durability: Protection mechanisms enhance the overall robustness of the electronic system.

Additional Details

The R1211N002B-TR has a target output voltage of 0.2V. The typical input voltage range is between 1.6V and 5.5V. It's typically packaged in a small form factor package such as DFN or SOT. The operating temperature range is generally from -40°C to +85°C. External ceramic capacitors are usually recommended for input and output filtering for enhanced stability and noise reduction. Consult the datasheet for detailed electrical specifications and application circuit recommendations.