The R1141Q301B-TR is a low-dropout (LDO) voltage regulator manufactured by Ricoh. It belongs to the R1141Q series, known for its low current consumption, high accuracy, and compact size. This particular model provides a fixed output voltage of 3.0V. The R1141Q301B-TR is designed for applications where stable and efficient voltage regulation is crucial, especially in battery-powered devices.

Applications

• Smartphones and Mobile Devices: Used for powering various internal circuits and components requiring stable voltage.
• Wearable Technology: Suitable for smartwatches, fitness trackers, and other wearable devices, providing regulated power to microcontrollers and sensors.
• IoT (Internet of Things) Devices: Powers sensors, communication modules, and microprocessors in low-power IoT applications.
• Wireless Communication Modules: Voltage regulation for RF transceivers, Bluetooth modules, and other wireless communication components.
• Portable Audio Players: Provides a stable voltage for audio processing circuits and amplifiers.

Features

• Fixed Output Voltage: 3.0V output.
• Low Dropout Voltage: Maintains stable output even with a small difference between input and output voltage.
• Low Quiescent Current: Minimizes power consumption, which extends battery life.
• High Output Voltage Accuracy: Provides a precise and reliable voltage supply for sensitive circuits.
• Small Package: Compact package allows for use in space-constrained applications.
• Overcurrent Protection: Protects the regulator and load from excessive current draw.
• Thermal Shutdown Protection: Prevents damage due to overheating.

Benefits

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

Additional Details

The R1141Q301B-TR comes in a small SOT-23 or similar surface-mount package. It is designed for use with ceramic capacitors, which provide stable operation and low noise. The operating temperature range is typically -40°C to +85°C. The typical input voltage range is 1.6V to 5.5V. The device is RoHS compliant, meaning it is free from hazardous substances.