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R1173S121B-E2-FE

R1173S121B-E2-FE Description

The R1173S121B-E2-FE is a high-performance linear voltage regulator from Nisshinbo Micro Devices Inc., designed to deliver a fixed output voltage of 1.2V with a maximum output current of 1A. This regulator is part of the R1173x series and is optimized for surface mount applications, making it ideal for compact and efficient power management solutions. The device features a maximum input voltage of 6V and a low dropout voltage of 0.56V at 1A, ensuring high efficiency even under varying load conditions. With a quiescent current of just 100 µA and a power supply rejection ratio (PSRR) of 70dB at 1kHz, the R1173S121B-E2-FE offers excellent noise suppression and stability.

R1173S121B-E2-FE Features

• Fixed Output Voltage: The R1173S121B-E2-FE provides a stable 1.2V output, making it suitable for applications requiring a precise and consistent power supply.
• High Efficiency: With a maximum dropout voltage of 0.56V at 1A, this regulator maintains high efficiency across a wide range of input voltages, reducing power loss and heat generation.
• Low Quiescent Current: The device consumes only 100 µA in quiescent mode, minimizing power consumption during periods of low activity.
• High PSRR: A power supply rejection ratio of 70dB at 1kHz ensures that the regulator effectively suppresses noise and ripple from the input supply, providing a clean output voltage.
• Enable Control Feature: The regulator includes an enable control feature, allowing for dynamic power management and improved system efficiency.
• Protection Features: Over-current and over-temperature protection mechanisms safeguard the device and connected components from damage due to excessive current or temperature.
• RoHS Compliant: The R1173S121B-E2-FE is RoHS compliant, ensuring environmental safety and regulatory compliance.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is suitable for a wide range of manufacturing environments without the need for special handling.
• Packaging: Available in a tape & reel (TR) package, the regulator is ideal for automated assembly processes.

R1173S121B-E2-FE Applications

The R1173S121B-E2-FE is well-suited for a variety of applications where a stable and efficient power supply is critical. Its low dropout voltage and high PSRR make it particularly useful in:

• Consumer Electronics: Ideal for portable devices, smartphones, and tablets where space and power efficiency are paramount.
• Communication Equipment: Suitable for routers, modems, and other networking devices that require a reliable power source.
• Industrial Control Systems: Provides stable power for sensors, actuators, and microcontrollers in industrial environments.
• Automotive Electronics: Meets the stringent power requirements of automotive systems, including infotainment, telematics, and advanced driver assistance systems (ADAS).

Conclusion of R1173S121B-E2-FE

The R1173S121B-E2-FE from Nisshinbo Micro Devices Inc. stands out as a robust and efficient linear voltage regulator, offering a combination of high performance and reliability. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications where power efficiency and stability are critical. The inclusion of enable control and comprehensive protection features further enhances its versatility and safety. Whether used in consumer electronics, communication equipment, industrial control systems, or automotive applications, the R1173S121B-E2-FE delivers exceptional performance and value.