The Ricoh R1110N291B-TR is a low-dropout (LDO) voltage regulator designed for portable applications. It offers low supply current and high accuracy, making it suitable for battery-powered devices and other applications where power efficiency is critical. The "-TR" suffix indicates that the component is supplied on tape and reel for automated assembly.

Applications

• Smartphones and Tablets: Powers various components requiring stable voltage regulation.
• Wearable Devices: Used in smartwatches, fitness trackers, and other wearable electronics.
• IoT Devices: Suitable for sensors, wireless modules, and other low-power IoT applications.
• Portable Audio Players: Powers audio components for high-quality sound reproduction.
• Wireless Communication Modules: Used in Bluetooth, Wi-Fi, and other wireless communication devices.

Features

• Low Dropout Voltage: Provides stable output voltage even when the input voltage is close to the output voltage.
• Low Supply Current: Minimizes power consumption, extending battery life.
• Overcurrent Protection: Protects the device and connected circuitry from excessive current.
• Thermal Shutdown Protection: Shuts down the regulator to prevent damage from overheating.
• Small Package: Compact SOT-23-5 package for space-constrained applications.
• High Output Voltage Accuracy: Ensures a precise and stable output voltage.

Benefits

• Extended Battery Life: Low power consumption maximizes the operational time of battery-powered devices.
• Enhanced System Reliability: Overcurrent and thermal protection features improve system robustness.
• Stable and Accurate Voltage: Provides a clean and consistent power supply for sensitive components.
• Compact Design: Small form factor enables integration into miniaturized electronic devices.
• Easy Implementation: Simple design and functionality facilitate easy integration into various applications.

Additional Details

The R1110N291B-TR offers a fixed output voltage of 2.9V. It typically operates with an input voltage range of 1.6V to 5.5V. The output current capability is generally around 300mA. It is housed in a small SOT-23-5 package. The device includes a chip enable function, allowing it to be turned on and off to further conserve power. It is also designed to be stable with ceramic capacitors, which helps reduce the overall solution size and cost. The thermal shutdown feature is activated at a high temperature, protecting the device from potential thermal damage.