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IRU1117-18CS

IRU1117-18CS Description

The IRU1117-18CS is a fixed-output linear regulator designed by Infineon Technologies for efficient power management applications. This regulator offers a stable output voltage of 1.8V, capable of delivering a maximum current of 800mA. It is designed to operate within an input voltage range up to 7V, making it suitable for a variety of electronic systems that require precise voltage regulation. The regulator features a low dropout voltage of 1.3V at 1A, ensuring high efficiency even under varying load conditions. The IRU1117-18CS is housed in an 8SOIC package, which is ideal for surface-mount applications, providing a compact and reliable solution for space-constrained designs. Despite its obsolescence, the IRU1117-18CS remains a robust choice for applications requiring a fixed positive output configuration.

IRU1117-18CS Features

• Fixed Output Voltage: The IRU1117-18CS provides a stable output voltage of 1.8V, ensuring consistent power delivery to sensitive electronic components.
• High Current Capability: With a maximum output current of 800mA, this regulator can support a wide range of applications, from low-power microcontrollers to more demanding systems.
• Low Dropout Voltage: At 1.3V dropout at 1A, the regulator maintains high efficiency, minimizing power loss and heat generation.
• Over Current and Over Temperature Protection: These protection features safeguard the regulator and connected components from damage due to overloads and excessive temperatures.
• Wide Operating Temperature Range: The regulator operates reliably within a temperature range of 0°C to 125°C, making it suitable for industrial and automotive applications.
• High Power Supply Rejection Ratio (PSRR): With a PSRR of 70dB at 120Hz, the IRU1117-18CS effectively filters out noise from the input power supply, ensuring clean output voltage.
• Moisture Sensitivity Level (MSL) 1: The regulator is unaffected by moisture, allowing for unlimited storage time without the need for special handling.
• REACH Compliance: The IRU1117-18CS is REACH unaffected, ensuring compliance with environmental and safety regulations.

IRU1117-18CS Applications

The IRU1117-18CS is ideal for a variety of applications where a stable and efficient power supply is required. Its fixed 1.8V output and 800mA current capability make it suitable for:

• Microcontroller Power Supplies: Providing a stable power source for low-power microcontrollers and embedded systems.
• Digital Logic Circuits: Ensuring reliable operation of digital circuits that require precise voltage levels.
• Sensor Applications: Powering sensors in industrial and automotive environments where temperature and moisture resistance are critical.
• Communication Modules: Supporting the power needs of communication modules in IoT devices and other connected systems.

Conclusion of IRU1117-18CS

The IRU1117-18CS from Infineon Technologies is a reliable and efficient linear regulator designed for applications requiring a fixed 1.8V output and up to 800mA of current. Its low dropout voltage, high PSRR, and comprehensive protection features make it a robust choice for a variety of electronic systems. Despite being marked as obsolete, the IRU1117-18CS remains a viable option for designers seeking a proven and compact power management solution. Its wide operating temperature range and moisture resistance further enhance its suitability for demanding industrial and automotive applications.