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R1172H121D-T1-FE

R1172H121D-T1-FE Description

The R1172H121D-T1-FE is a highly efficient linear regulator IC designed by Nisshinbo Micro Devices Inc., a leading manufacturer in the power management sector. This IC is part of the R1172x series and is specifically tailored for applications requiring a fixed output voltage of 1.2V and a maximum output current of 1A. It features a maximum input voltage of 6V and a dropout voltage of 0.56V at 1A, ensuring optimal performance and efficiency in low-voltage applications. The regulator is housed in a surface-mount SOT89-5 package, making it suitable for compact and high-density designs.

R1172H121D-T1-FE Features

• Fixed Output Voltage: The R1172H121D-T1-FE provides a stable 1.2V output, ideal for applications requiring a consistent power supply.
• High Efficiency: With a dropout voltage of only 0.56V at 1A, this regulator minimizes power loss and heat generation enhancing, overall system efficiency.
• Low Quiescent Current: The IC operates with a quiescent current of just 100 µA, making it suitable for battery-powered and low-power applications.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 70dB at 1kHz, ensuring minimal noise and ripple in the output voltage.
• Protection Features: Over-current and over-temperature protection mechanisms safeguard the IC and connected components from damage.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and efficient power management.
• RoHS Compliant: The R1172H121D-T1-FE meets RoHS standards, ensuring environmental compliance and suitability for a wide range of applications.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the IC is highly resistant to moisture, making it suitable for various environmental conditions.

R1172H121D-T1-FE Applications

The R1172H121D-T1-FE is ideal for a variety of applications where a stable, low-voltage power supply is required. Its compact size and high efficiency make it suitable particularly for:

• Portable Devices: Ideal for battery-operated devices such as smartphones, tablets, and wearables, where low power consumption and high efficiency are critical.
• Consumer Electronics: Suitable for applications in consumer electronics, including smart home devices, IoT gadgets, and other low-power systems.
• Industrial Applications: The regulator's robustness and protection features make it suitable for industrial control systems, sensors, and other low-voltage applications.
• Medical Devices: The high reliability and low noise characteristics make it suitable for medical devices where precision and stability are paramount.

Conclusion of R1172H121D-T1-FE

The R1172H121D-T1-FE is a versatile and efficient linear regulator IC that offers a combination of high performance and reliability. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications requiring stable power delivery with minimal power loss. The enable control and protection features further enhance its flexibility and robustness, making it a preferred choice for designers looking to optimize power management in their systems. With its RoHS compliance and moisture resistance, the R1172H121D-T1-FE ensures environmental sustainability and durability, making it a standout product in the power management category.