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IRU1117-18CY

IRU1117-18CY Description

The IRU1117-18CY is a fixed output linear regulator designed for high-performance power management applications. Manufactured by Infineon Technologies, this device offers a robust and efficient solution for providing a stable 1.8V output voltage with a maximum output current of 800mA. The regulator is designed to operate with an input voltage range up to 7V, making it suitable for a variety of power supply configurations. Its low dropout voltage of 1.3V at 1A ensures high efficiency even under varying load conditions.

The IRU1117-18CY features a single regulator with a positive output configuration, ideal for applications requiring a stable and reliable power source. The device is housed in a surface-mount SOT223 package, which is both compact and easy to integrate into modern circuit designs. With a moisture sensitivity level (MSL) of 1, the regulator is suitable for a wide range of manufacturing processes without the need for special handling precautions.

IRU1117-18CY Features

• Fixed Output Voltage: The IRU1117-18CY provides a stable 1.8V output voltage, ensuring consistent power delivery to sensitive electronic components.
• High Output Current: Capable of delivering up to 800mA, this regulator is well-suited for applications requiring moderate to high current loads.
• Low Dropout Voltage: With a maximum dropout voltage of 1.3V at 1A, the regulator maintains high efficiency even when operating near the input voltage limit.
• Over Current and Over Temperature Protection: Built-in protection features safeguard the regulator and connected components from damage due to overcurrent and overtemperature conditions.
• Wide Operating Temperature Range: The device operates reliably within a temperature range of 0°C to 125°C, making it suitable for both commercial and industrial applications.
• High Power Supply Rejection Ratio (PSRR): The regulator boasts a PSRR of 70dB at 120Hz, effectively filtering out noise from the input power supply and ensuring clean power output.
• Surface-Mount Package: The SOT223 package offers a compact footprint and easy integration into surface-mount designs, reducing board space requirements.
• Moisture Sensitivity Level 1: The MSL 1 rating indicates that the device is not moisture-sensitive, simplifying the manufacturing process and reducing the risk of moisture-related defects.

IRU1117-18CY Applications

The IRU1117-18CY is ideal for a variety of applications where a stable and efficient power supply is critical. Some specific use cases include:

• Embedded Systems: Providing a reliable power source for microcontrollers, sensors, and other embedded components.
• Telecommunications: Ensuring stable power delivery to communication modules and network interfaces.
• Consumer Electronics: Powering devices such as smartphones, tablets, and other portable electronics.
• Industrial Control Systems: Supplying power to control boards, PLCs, and other industrial automation components.
• Automotive Electronics: Suitable for in-vehicle systems where a stable and efficient power supply is essential.

Conclusion of IRU1117-18CY

The IRU1117-18CY from Infineon Technologies is a high-performance linear regulator that offers a stable 1.8V output with a maximum current of 800mA. Its low dropout voltage, high PSRR, and built-in protection features make it a reliable choice for a wide range of power management applications. The compact SOT223 package and MSL 1 rating further enhance its versatility and ease of integration. While the product is now obsolete, its technical specifications and performance benefits make it a valuable component for existing designs and legacy systems. For new projects, designers may consider exploring alternative models from Infineon's extensive portfolio of power management solutions.