The Ricoh R1110N331B-TR is a low-dropout (LDO) voltage regulator designed for portable and battery-powered applications. It offers low supply current and high output voltage accuracy, making it an excellent choice for devices where power efficiency and stable voltage regulation are crucial. The "-TR" suffix indicates that the device is supplied in tape and reel packaging for automated assembly processes.

Applications

• Smartphones and Tablets: Provides stable power to various components within mobile devices.
• Wearable Electronics: Suitable for smartwatches, fitness trackers, and other wearable devices.
• IoT (Internet of Things) Devices: Powers sensors, wireless communication modules, and other low-power IoT applications.
• Portable Medical Devices: Used in portable health monitoring equipment and diagnostic tools.
• Wireless Communication Devices: Voltage regulation for Bluetooth modules, Wi-Fi chips, and other wireless communication components.

Features

• Low Dropout Voltage: Ensures stable output voltage even when the input voltage is close to the output voltage.
• Low Supply Current: Minimizes power consumption, extending battery life in portable devices.
• Overcurrent Protection: Protects the device and connected components from damage due to excessive current.
• Thermal Shutdown Protection: Prevents overheating by shutting down the device when the junction temperature exceeds a predefined limit.
• Small Package: Available in a compact SOT-23-5 package, making it ideal for space-constrained applications.
• High Output Voltage Accuracy: Provides a highly accurate and stable output voltage for reliable performance.

Benefits

• Extended Battery Life: Low power consumption significantly increases the operating time of battery-powered devices.
• Enhanced System Reliability: Overcurrent and thermal shutdown protection mechanisms enhance the robustness and lifespan of the electronic system.
• Stable and Precise Voltage: Provides a clean and consistent power supply for sensitive components, ensuring optimal performance and minimizing noise.
• Compact Design: Small form factor facilitates integration into miniaturized electronic devices with limited space.
• Simplified Manufacturing: Tape and reel packaging streamlines the automated assembly process, reducing manufacturing costs.

Additional Details

The R1110N331B-TR typically offers a fixed output voltage of 3.3V. It is designed to operate with a wide input voltage range, commonly from 1.6V to 5.5V. The device is capable of delivering an output current of up to 300mA. The SOT-23-5 package is a standard small outline transistor package, widely used for surface-mount components. It includes a chip enable (CE) function, allowing the regulator to be switched on and off to minimize power consumption when not needed. The device is also designed to be stable with ceramic capacitors, which help to reduce the overall size and cost of the power supply circuit. The thermal shutdown feature activates at around 150°C to protect the device from thermal damage.