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R1161N191B-TR-FE

R1161N191B-TR-FE Description

The R1161N191B-TR-FE is a high-performance linear regulator designed by Nisshinbo Micro Devices Inc., a leading manufacturer in the field of power management integrated circuits (PMICs). This regulator is part of the R1161x series and is specifically tailored for applications requiring a fixed output voltage of 1.9V and a maximum output current of 300mA. The device features a compact SOT23-5 package, making it suitable for space-constrained designs. With a maximum dropout voltage of 0.48V at 300mA, the R1161N191B-TR-FE ensures efficient power delivery even under varying load conditions.

R1161N191B-TR-FE Features

• Output Type: Fixed, providing a stable 1.9V output voltage.
• Input Voltage Range: Up to 6V, offering flexibility in input power sources.
• Output Current: Capable of delivering up to 300mA, suitable for a wide range of low-power applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.48V at 300mA ensures high efficiency, particularly when operating near the input voltage limit.
• Quiescent Current: Low quiescent current of 90 µA minimizes power consumption during standby or low-load conditions.
• Power Supply Rejection Ratio (PSRR): An impressive 65dB at 1kHz, providing excellent noise rejection and stable output voltage.
• Control Features: Includes an enable function, allowing for precise control over the regulator's operation.
• Protection Features: Over-current protection ensures the device remains safe and reliable under fault conditions.
• Package Type: Surface mount in a Tape & Reel (TR) format, facilitating automated assembly processes.
• Compliance: RoHS compliant and moisture sensitivity level (MSL) 1, suitable for a wide range of manufacturing environments.

R1161N191B-TR-FE Applications

The R1161N191B-TR-FE is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Portable devices such as smartphones, tablets, and wearables benefit from the regulator's low dropout voltage and high efficiency.
• Industrial Equipment: Sensors, actuators, and other low-power industrial components can rely on the R1161N191B-TR-FE for stable power delivery.
• Medical Devices: Portable medical devices, such as blood glucose meters and portable monitors, can utilize this regulator for its compact size and high reliability.
• IoT Devices: Internet of Things (IoT) devices often require efficient power management, and the R1161N191B-TR-FE's low quiescent current and high PSRR make it an excellent choice.

Conclusion of R1161N191B-TR-FE

The R1161N191B-TR-FE stands out in the market due to its combination of high efficiency, low dropout voltage, and compact package size. Its low quiescent current and high PSRR make it particularly suitable for applications where power efficiency and noise rejection are critical. The enable control feature and over-current protection further enhance its reliability and versatility. Whether used in consumer electronics, industrial equipment, medical devices, or IoT applications, the R1161N191B-TR-FE offers a robust and efficient power management solution.