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R1131N301A-TR-FE

R1131N301A-TR-FE Description

The R1131N301A-TR-FE is a high-performance linear regulator designed by Nisshinbo Micro Devices Inc. This IC is part of the R1131x series and is specifically tailored for applications requiring a fixed output voltage of 3V and a maximum output current of 300mA. The regulator operates with an input voltage range up to 6V, ensuring compatibility with a wide range of power sources. Its low dropout voltage of 0.35V at 300mA allows for efficient power conversion even at low input-to-output voltage differences, making it ideal for battery-powered devices and other applications where input voltage may vary.

R1131N301A-TR-FE Features

• Fixed Output Voltage: Provides a stable 3V output, ensuring consistent power supply to connected devices.
• High Efficiency: With a low dropout voltage of 0.35V at 300mA, the R1131N301A-TR-FE maximizes energy conversion efficiency, reducing power loss and heat generation.
• Low Quiescent Current: Consumes only 90 µA in quiescent mode, which is crucial for applications where power consumption must be minimized, especially in standby or low-power states.
• High Power Supply Rejection Ratio (PSRR): Achieves 65dB at 1kHz, effectively filtering out noise from the input power supply and ensuring a clean output voltage.
• Enable Control Feature: Includes an enable pin, allowing users to turn the regulator on and off, which is useful for power management and reducing power consumption in idle states.
• Over Current Protection: Provides built-in over current protection, safeguarding the regulator and connected circuits from damage due to excessive current.
• RoHS Compliant: Meets environmental standards, ensuring the product is free from hazardous substances and suitable for environmentally conscious applications.
• Surface Mount Package: The SOT23-5 package is compact and suitable for surface mount technology, making it ideal for high-density PCB designs.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), indicating it is suitable for use in various environmental conditions without requiring special handling for moisture sensitivity.

R1131N301A-TR-FE Applications

The R1131N301A-TR-FE is well-suited for a variety of applications where a reliable and efficient power supply is essential. Key applications include:

• Battery-Powered Devices: Ideal for portable electronics such as smartphones, tablets, and wearable devices, where the low dropout voltage and low quiescent current contribute to extended battery life.
• Consumer Electronics: Suitable for devices like digital cameras, MP3 players, and other consumer electronics that require a stable 3V power supply.
• Industrial Control Systems: Can be used in sensors, actuators, and other industrial control components that need a reliable and efficient power source.
• Medical Devices: Applicable in medical equipment where power stability and low noise are critical, such as portable diagnostic devices and monitoring systems.
• Automotive Electronics: Suitable for automotive applications where the regulator can handle varying input voltages and provide a stable output for critical systems.

Conclusion of R1131N301A-TR-FE

The R1131N301A-TR-FE from Nisshinbo Micro Devices Inc. stands out as a robust and efficient linear regulator, offering a combination of high performance and reliability. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring efficient power management and minimal power loss. The enable control feature and over current protection further enhance its versatility and safety. With its compact SOT23-5 package and RoHS compliance, the R1131N301A-TR-FE is well-suited for modern electronic designs, ensuring both performance and environmental responsibility.