The R1141Q331B-TR-F is a low-dropout (LDO) voltage regulator manufactured by Ricoh. It is designed to provide a stable 3.3V output voltage. As a member of the R1141Q series, it's characterized by its low quiescent current, high accuracy, and small package, making it well-suited for battery-powered and portable applications.

Applications

• Smartphones and Tablets: Power management for internal circuits, including microcontrollers and memory chips.
• Wearable Devices: Voltage regulation for sensors and other components in smartwatches, fitness trackers, and similar devices.
• IoT (Internet of Things) Devices: Providing a stable power supply for low-power sensors, communication modules, and microprocessors.
• Wireless Communication Modules: Regulating voltage for RF transceivers, Bluetooth modules, and other wireless components.
• Portable Audio Equipment: Powering audio processing circuits and amplifiers in portable music players and recorders.

Features

• Fixed Output Voltage: 3.3V output voltage.
• Low Dropout Voltage: Maintains a stable output even when the input voltage is close to the output voltage.
• Low Quiescent Current: Minimizes power consumption, extending battery life in portable devices.
• High Output Voltage Accuracy: Provides a precise and reliable voltage supply.
• Small Package: Compact package allows for space-saving designs.
• Overcurrent Protection: Protects the regulator and connected circuitry from excessive current.
• Thermal Shutdown Protection: Prevents damage due to overheating.

Benefits

• Stable Power Supply: Ensures consistent and accurate voltage, improving the performance of connected devices.
• Extended Battery Life: Low quiescent current helps maximize battery runtime in portable devices.
• Compact Integration: Small package size allows for easy integration into small form-factor devices.
• Reliable Operation: Overcurrent and thermal shutdown protection enhance the durability and lifespan of the regulator.
• Simplified Design: Fixed output voltage simplifies circuit design and reduces the need for external components.

Additional Details

The R1141Q331B-TR-F typically comes in a small SOT-23 or similar surface-mount package. It's designed for use with ceramic capacitors for optimal stability and noise reduction. The standard operating temperature range is -40°C to +85°C. The typical input voltage range is 1.6V to 5.5V. The product is RoHS compliant, meaning it is free from hazardous substances.