The R1141Q301B-TR-FA is a low-dropout (LDO) voltage regulator from Ricoh. It provides a fixed output voltage of 3.0V, making it suitable for a variety of applications requiring stable and efficient power. This regulator is part of the R1141Q series, characterized by its low current consumption, high accuracy, and small package size, ideal for portable and battery-powered devices.

Applications

• Mobile Phones: Power management for various internal circuits, including microcontrollers and memory.
• Wearable Devices: Regulating voltage for components in smartwatches, fitness trackers, and other wearable technology.
• IoT Devices: Providing a stable voltage supply for sensors, communication modules, and microprocessors in low-power IoT applications.
• Wireless Communication Equipment: Used in Bluetooth modules, RF transceivers, and other wireless communication components.
• Portable Audio Devices: Voltage regulation for audio processing circuits and amplifiers in MP3 players and other portable audio equipment.

Features

• Fixed Output Voltage: 3.0V regulated output.
• Low Dropout Voltage: Maintains a stable output even with a small difference between input and output voltage.
• Low Quiescent Current: Minimizes current consumption, extending battery life in portable devices.
• High Output Voltage Accuracy: Provides a precise and reliable voltage supply.
• Small Package: Available in compact packages suitable for space-constrained applications.
• Overcurrent Protection: Protects the regulator and connected circuitry from excessive current draw.
• Thermal Shutdown Protection: Prevents damage due to overheating.

Benefits

• Stable Power Supply: Ensures a consistent and accurate voltage, improving the performance of connected devices.
• Extended Battery Life: Low quiescent current minimizes battery drain in portable devices.
• Compact Design: Small package size allows for easy integration into space-limited applications.
• Reliable Operation: Protection features 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 R1141Q301B-TR-FA is typically housed in a SOT-23 or similar surface-mount package. It's designed to work with ceramic capacitors for optimal stability and noise reduction. The typical operating temperature range is -40°C to +85°C. The acceptable input voltage range usually spans from 1.6V to 5.5V. The product is RoHS compliant.