The R1116N311D-TR-F is a low-dropout (LDO) voltage regulator manufactured by Ricoh. This device is designed to provide a stable 3.1V output. The “N” in the part number indicates a specific feature set within the R1116 series. The “-TR” suffix signifies tape and reel packaging for automated assembly, and the “-F” suffix indicates that the component is lead-free and compliant with RoHS standards. Typically, the R1116 series is known for its low quiescent current and excellent ripple rejection.

Applications

• Power supply for low-power microcontrollers: Provides a stable 3.1V supply for microcontrollers used in various embedded systems.
• Voltage regulation for wireless modules: Ensures stable voltage for Bluetooth, Wi-Fi, and other wireless communication modules.
• Portable electronics: Widely used in smartphones, tablets, and other battery-powered devices for efficient power management.
• Sensor power supply: Provides a regulated voltage supply for sensors in industrial and consumer applications.
• Wearable devices: Commonly found in smartwatches, fitness trackers, and other wearable technology.

Features

• Fixed Output Voltage: Provides a stable and fixed 3.1V output voltage.
• Low Dropout Voltage: Enables efficient voltage regulation even when the input voltage is close to the output voltage.
• Low Quiescent Current: Minimizes power consumption, extending battery life in portable applications.
• Overcurrent Protection: Protects the regulator and connected components from damage due to excessive current.
• Small Package: Compact package size for space-saving designs.
• High Ripple Rejection: Effectively filters out noise and ripple from the input voltage.
• Lead-Free: Compliant with RoHS standards.

Benefits

• Stable Voltage Supply: Provides a consistent and reliable 3.1V output, ensuring proper operation of connected components.
• Extended Battery Life: Low quiescent current minimizes power consumption, extending the operating time of battery-powered devices.
• Overcurrent Protection: Safeguards the regulator and connected components from damage due to excessive current or short circuits.
• Simplified Design: Fixed output voltage simplifies circuit design and reduces the number of external components required.
• Compact Solution: Small package size makes it suitable for space-constrained applications, allowing for smaller and more portable devices.
• Environmentally Friendly: Lead-free construction complies with RoHS standards, reducing environmental impact.

The R1116N311D-TR-F is a highly efficient and reliable LDO voltage regulator suitable for a wide range of battery-powered applications. Its combination of low power consumption, robust protection features, and compact size make it an excellent choice for modern electronic designs where efficiency and reliability are paramount.