The Ricoh R1141Q401B-TR-F is a low-dropout (LDO) voltage regulator designed for use in portable electronic devices and other applications requiring a stable and efficient voltage supply. Its low quiescent current and small package size make it suitable for battery-powered applications where minimizing power consumption and board space are critical.

Applications

• Smartphones and Tablets: Powers various internal components, ensuring stable operation.
• Wearable Devices: Used in smartwatches, fitness trackers, and other wearables to regulate power.
• IoT Devices: Provides stable power for sensors and communication modules in IoT applications.
• Portable Audio Players: Ensures consistent audio quality by providing a clean power supply.
• Wireless Modules: Powers Bluetooth, Wi-Fi, and other wireless communication modules.

Features

• Low Dropout Voltage: Maintains a stable output voltage even when the input voltage is close to the output voltage.
• Low Quiescent Current: Minimizes power consumption when the regulator is in standby mode.
• Overcurrent Protection: Protects the device and the load from damage due to excessive current.
• Thermal Shutdown Protection: Protects the device from overheating.
• Small Package Size: Reduces board space requirements.
• High Output Voltage Accuracy: Provides a precise and stable output voltage.

Benefits

• Extended Battery Life: Low quiescent current helps extend the battery life of portable devices.
• Improved System Reliability: Overcurrent and thermal shutdown protection enhance system reliability and prevent damage.
• Reduced Board Space: Small package size allows for use in compact designs.
• Stable Performance: Low dropout voltage ensures stable performance even with fluctuating input voltage.
• Precise Voltage Regulation: High output voltage accuracy ensures optimal performance of connected devices.

Additional Details

The R1141Q401B-TR-F has a fixed output voltage of 4.0V. It is available in a DFN(PLP)4-3 package. The operating temperature range is typically -40°C to +85°C. It also includes a built-in soft-start circuit and short circuit protection. The "-F" suffix indicates that the device is lead-free and RoHS compliant.