The R1212D100B-TR-FA is a voltage regulator IC produced by Ricoh. Designed to deliver a stable and regulated voltage output, this component is particularly suitable for applications that demand low power consumption, high accuracy, and robust protection features. It is a valuable component for extending battery life and ensuring reliable operation in various electronic devices.

Applications

• Optical Sensors: Provides a stable voltage for optical sensing applications.
• Biometric Devices: Regulates voltage for fingerprint scanners and other biometric sensors.
• Portable Health Monitors: Supplies stable power for wearable health monitoring devices.
• Industrial Sensors: Ensures consistent performance of sensors in industrial environments.
• Power Management ICs (PMICs): Used as a part of complex power management solutions.

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 highly accurate and stable output voltage, which is crucial for sensitive electronic components.
• Low Quiescent Current: Minimizes power consumption when the regulator is in operation but not actively supplying a load.
• Overcurrent Protection: Protects the regulator and connected circuitry from damage due to excessive current draw.
• Short-Circuit Protection: Shuts down the regulator in the event of a short circuit, preventing damage.
• Thermal Shutdown Protection: Prevents the device from overheating.
• Small Package Size: Allows for use in compact electronic devices.

Benefits

• Extended Battery Life: Low quiescent current and high efficiency contribute to longer battery life in portable devices.
• Stable System Performance: Accurate and stable voltage regulation ensures consistent performance of connected electronic components.
• Protection Against Damage: Overcurrent and short-circuit protection mechanisms prevent damage to the regulator and connected circuitry.
• Reduced Board Space: Small package size allows for more compact designs and efficient use of board space.
• Improved System Reliability: Thermal shutdown protection enhances the overall reliability of the system.

Additional Details

The R1212D100B-TR-FA features an output voltage of 1.0V. The typical input voltage range is between 1.6V and 5.5V. It is available in a small package, like a DFN or SOT package. The operating temperature range is usually from -40°C to +85°C. External ceramic capacitors are typically used for input and output filtering to enhance stability and reduce noise. Refer to the datasheet for specific electrical characteristics and application circuit recommendations.