IRU1206-18CY

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The IRU1206-18CY is a fixed-output linear regulator manufactured by Infineon Technologies. It provides a stable 1.8V output with a maximum current capacity of 1A. The device features a low dropout voltage of 0.65V at full load, ensuring efficient operation in systems with limited input-to-output voltage differentials. Designed for surface-mount applications, it utilizes the TO-261-4 package variant, also known as Ultra Thin-PAK or SOT-223. This component is engineered to deliver well-regulated power supplies for low-voltage integrated circuits and clock generation in PC applications.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Provides a fixed 1.8V regulated output suitable for low-voltage ICs
• Capable of delivering up to 1A output current with low dropout characteristics
• Includes over-current and over-temperature protection features
• Designed for surface-mount assembly in compact electronic designs

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Low voltage IC power supply regulation
• PC clock supply generation
• On-board DC/DC converter auxiliary rails
• General purpose low-dropout regulation in consumer electronics

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific package marking and tape-and-reel specifications against the official Infineon datasheet before ordering. Confirm that the TO-261-4 footprint matches your PCB design requirements. Ensure the operating temperature range of 0°C to 125°C aligns with your system's thermal environment. Cross-reference the part number suffix to confirm the exact packaging quantity and handling instructions provided by the distributor.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 1.8V output is required with moderate current demands up to 1A. It is suitable for applications where input voltage remains close to the output level, leveraging its low dropout capability. Consider the thermal performance of the TO-261-4 package under full load conditions. Ensure the application does not require adjustable output voltages, as this model is fixed.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This regulator belongs to the IRU1206 series of low-dropout linear regulators from Infineon. The series offers various fixed output voltages tailored for digital logic and memory applications. The IRU1206-18CY specifically targets the 1.8V rail common in modern microprocessors and ASICs. It complements other series members like the IRU1117 and IRU1206 variants, providing a robust solution for power management in space-constrained devices.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Check for direct pin-compatible alternatives within the same Infineon IRU1206 family offering different voltage outputs if system requirements change. Verify electrical parameters such as dropout voltage and current limits against competitors' LDOs. Ensure thermal resistance values are comparable to maintain similar junction temperatures under identical load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators FAQ

What is the maximum output current for the IRU1206-18CY?

The IRU1206-18CY supports a maximum output current of 1A.

Does the IRU1206-18CY include protection features?

Yes, it includes over-current and over-temperature protection to safeguard the device and connected loads.

What is the typical dropout voltage at full load?

The maximum dropout voltage is specified as 0.65V at an output current of 1A.