The R1160N281B-TR is a voltage regulator IC manufactured by Ricoh. It is designed to provide a stable 2.8V output, essential for the reliable operation of sensitive electronic components. These regulators are commonly used across various electronic devices to ensure a consistent power supply, particularly when input voltage or load current fluctuates.

Applications:

• Portable Device Power Management: Efficiently regulating power in smartphones, tablets, and other battery-powered electronics.
• Microcontroller Power Supply: Providing a stable 2.8V power supply for microcontrollers in embedded systems.
• Wireless Communication Modules: Ensuring a consistent power source for RF components to enhance signal stability and performance.
• Memory Devices: Regulating voltage for memory ICs to ensure data integrity and stable operation.
• Wearable Technology: Power management in smartwatches, fitness trackers, and other wearable devices.

Features:

• Low Dropout Voltage: Maintains a stable output voltage even when the input voltage is only slightly higher than the desired output voltage.
• High Output Voltage Accuracy: Delivers a precise and stable 2.8V output, which is critical for sensitive electronic components.
• Overcurrent Protection: Protects the regulator and the load from damage caused by excessive current flow.
• Thermal Shutdown Protection: Automatically shuts down the regulator when the temperature exceeds safe operating limits, preventing thermal damage.
• Compact Package Size: Facilitates integration into space-constrained electronic devices.
• Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying current, thereby extending battery life.

Benefits:

• Enhanced System Reliability: A stable voltage supply ensures consistent and reliable operation of electronic devices.
• Extended Battery Life: Efficient voltage regulation reduces power consumption, increasing the operational lifespan of battery-powered devices.
• Protection Against Damage: Overcurrent and thermal shutdown protection mechanisms safeguard the regulator and the load from potential damage.
• Reduced Device Size: Compact packaging allows for seamless integration into smaller electronic devices.
• Simplified Design: Integrated protection features minimize the need for external components, streamlining the design process.

Additional Details:

The R1160N281B-TR provides a fixed output voltage of 2.8V. It is typically packaged in a small outline transistor (SOT) package. The operating temperature range generally extends from -40°C to +85°C. For detailed specifications including input voltage range, output current capabilities, and dropout voltage, consult the official Ricoh datasheet for the R1160N series.