The R1120N201B-TR is a voltage regulator produced by Ricoh. It likely represents a low-dropout (LDO) regulator designed to provide a regulated 2.0V output. The “N” likely denotes a particular feature or series characteristic. The suffix “-TR” suggests it is packaged in Tape and Reel for automated assembly processes. Given its part number, the R1120 series generally exhibits low supply current and good transient response, beneficial for battery-powered applications.

Applications

• Power supply for microcontrollers: Provides a stable 2.0V supply for microcontrollers in diverse embedded systems.
• Voltage regulation for wireless modules: Regulates voltage for Bluetooth, Wi-Fi, and other wireless communication components.
• Portable electronics devices: Used in mobile phones, tablets, and other battery-powered devices requiring efficient power management.
• Powering sensors: Provides stable voltage for a variety of sensor applications in industrial and consumer products.
• Wearable Technology: Used in devices like smartwatches and fitness trackers.

Features

• Fixed Output Voltage: Delivers a stable 2.0V output.
• Low Dropout Voltage: Ensures efficient regulation when the input voltage is close to the output voltage.
• Low Supply Current: Minimizes power consumption, extending battery life in portable applications.
• Overcurrent Protection: Protects the regulator and connected components from damage due to excessive current.
• Compact Package: Small package for space-saving designs.
• Excellent Transient Response: Provides a stable output even during rapid load changes.

Benefits

• Stable Voltage Supply: Provides a reliable and constant 2.0V, ensuring the proper function of connected components.
• Extended Battery Life: Low supply current minimizes power consumption, prolonging battery life.
• Overcurrent Protection: Protects against damage from overcurrent or short-circuit conditions.
• Simplified Design: Fixed output voltage simplifies circuit design and reduces the required external components.
• Space-Efficient Solution: Small package is well-suited for compact devices and designs.
• Stable Operation during Load Changes: Excellent transient response ensures stable voltage even with changing load conditions.

The R1120N201B-TR is an efficient and reliable LDO voltage regulator designed for a wide range of applications. Its low power consumption, protective features, and compact size make it an ideal choice for battery-powered and space-constrained designs where stable voltage regulation is critical.