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R1172N171B-TR-FE

R1172N171B-TR-FE Description

The R1172N171B-TR-FE is a high-performance linear voltage regulator designed by Nisshinbo Micro Devices Inc., a leading manufacturer in the electronics industry. This regulator is part of the R1172x series and offers a fixed output voltage of 1.7V with a maximum input voltage of 6V. It is capable of delivering a continuous output current of 1A, making it suitable for a wide range of applications requiring stable and reliable power supply solutions.

R1172N171B-TR-FE Features

• Output Type: Fixed
• Input Voltage Range: Up to 6V
• Output Voltage: Fixed at 1.7V
• Output Current: 1A
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage Dropout: Maximum of 0.32V at 1A
• Quiescent Current: 100 µA
• Power Supply Rejection Ratio (PSRR): 70dB at 1kHz
• Protection Features: Over Current and Over Temperature
• Control Features: Enable
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• RoHS Compliance: RoHS Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The R1172N171B-TR-FE stands out due to its low dropout voltage of 0.32V at 1A, which ensures efficient power conversion even when the input voltage is close to the output voltage. This feature is particularly advantageous in battery-powered applications where the input voltage may drop significantly over time. Additionally, the regulator's high PSRR of 70dB at 1kHz helps to minimize noise and ripple in the output voltage, ensuring clean and stable power delivery to sensitive electronic components.

R1172N171B-TR-FE Applications

The R1172N171B-TR-FE is ideal for applications that require a stable and low-noise power supply. Its fixed output voltage of 1.7V and ability to deliver 1A of current make it suitable for powering various electronic devices and circuits. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage ensures efficient operation even as the battery voltage declines.
• Microcontrollers and Processors: The regulator's high PSRR and low noise output provide a clean power supply, essential for maintaining the performance and reliability of sensitive digital circuits.
• Consumer Electronics: The compact SOT23-5 package and surface mount type make it suitable for space-constrained designs.
• Industrial Applications: The over current and over temperature protection features enhance the reliability and robustness of the regulator in demanding industrial environments.

Conclusion of R1172N171B-TR-FE

The R1172N171B-TR-FE is a versatile and reliable linear voltage regulator that offers a combination of high performance and robust protection features. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for a variety of applications, particularly those requiring efficient power conversion and low noise output. The regulator's compact SOT23-5 package and surface mount type further enhance its suitability for modern, space-constrained designs. Overall, the R1172N171B-TR-FE is a standout product in the linear voltage regulator category, providing engineers with a reliable and efficient power supply solution.