The R1116N291D-F is a voltage regulator manufactured by Ricoh. It is likely a low-dropout (LDO) regulator, indicated by the 'R1116' prefix, designed to deliver a stable 2.9V output. The 'N' indicates a particular feature or series characteristic. The '-F' suffix signifies that it is a lead-free component, compliant with RoHS standards. The device is likely characterized by low supply current and effective ripple rejection, making it suitable for portable and battery-powered applications.

Applications

• Powering low-voltage microcontrollers: Supplies a stable 2.9V for microcontrollers in embedded systems.
• Voltage regulation for wireless communication modules: Regulates voltage for components in Bluetooth, Wi-Fi, and other wireless modules.
• Portable electronic devices: Used in smartphones, tablets, and other battery-operated devices requiring efficient power management.
• Sensor power supply: Provides a stable power source for various sensor applications.
• Wearable technology: Commonly used in smartwatches, fitness trackers, and other wearable devices.

Features

• Fixed Output Voltage: Provides a stable and fixed 2.9V output.
• Low Dropout Voltage: Ensures efficient regulation even with a small difference between input and output voltage.
• Low Supply Current: Minimizes power consumption, extending battery life.
• Overcurrent Protection: Protects the regulator and connected components from damage due to excessive current.
• Small Package: Compact size suitable for space-constrained designs.
• High Ripple Rejection: Filters out noise and ripple from the input voltage, ensuring a clean output.
• Lead-Free: Compliant with RoHS standards.

Benefits

• Stable Voltage Supply: Delivers a consistent 2.9V output, ensuring reliable operation of connected components.
• Extended Battery Life: Low power consumption maximizes battery life in portable applications.
• Overcurrent Protection: Prevents damage from overcurrent situations, increasing system reliability.
• Simplified Design: Fixed output simplifies circuit design and reduces the number of required external components.
• Compact Footprint: Small package allows for use in miniaturized devices.
• Environmentally Friendly: Lead-free construction minimizes environmental impact.

The R1116N291D-F is a highly efficient and reliable voltage regulator suitable for a wide range of portable and battery-powered applications. Its combination of low power consumption, protection features, and small size make it an excellent choice for modern electronic designs requiring efficient and stable voltage regulation.