The R1211N002D-TR is a voltage regulator IC manufactured by Ricoh. This regulator is designed to provide a stable and regulated voltage output for various electronic circuits. Key features include low dropout voltage, high output voltage accuracy, and low quiescent current, making it suitable for battery-powered devices and other applications where power efficiency is crucial.

Applications

• Memory Cards: Provides a stable voltage supply to the flash memory and controller.
• Solid State Drives (SSDs): Regulates the voltage for the NAND flash memory and controller.
• Power Banks: Ensures a stable output voltage for charging mobile devices.
• Remote Controls: Provides a regulated voltage for the microcontroller and IR transmitter.
• Electronic Toys: Supplies stable power to the microcontroller, sensors, and actuators.

Features

• Low Dropout Voltage: Maintains a stable output voltage even when the input voltage is close to the output voltage.
• High Output Voltage Accuracy: Provides a precise and stable output voltage, crucial 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: Allows for 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 enables space-saving designs in portable electronics.
• Improved System Durability: Protection mechanisms enhance the overall robustness of the electronic system.

Additional Details

The R1211N002D-TR has an output voltage of 0.2V. The input voltage range typically spans from 1.6V to 5.5V. It is usually supplied in a small form factor package like DFN or SOT. The operating temperature range generally spans from -40°C to +85°C. External ceramic capacitors are generally recommended for input and output filtering to enhance stability and noise performance. Refer to the datasheet for definitive electrical specifications and application circuit recommendations.