IRU1205CLTR

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

The IRU1205CLTR is a 300mA ultra-low dropout (LDO) positive fixed linear regulator manufactured by Infineon Technologies. It operates with an input voltage range up to 6V and provides a fixed output voltage of 1.8V. The device features a maximum quiescent current of 40µA and supports a continuous load current of 300mA. It utilizes a 5-pin SOT-23 surface-mount package for compact integration. Key electrical specifications include a typical line regulation of 0.02%/V and load regulation of 0.04%/A, ensuring stable performance under varying conditions.

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

• Ultra-low dropout operation enables efficient voltage regulation with minimal input-to-output voltage differential.
• Fixed 1.8V output voltage provides precise power supply for sensitive digital logic circuits.
• Low quiescent current consumption enhances battery life in portable electronic applications.

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

• Portable consumer electronics requiring stable low-voltage power rails
• Battery-powered devices needing extended operational time
• Embedded systems utilizing 1.8V logic families

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

Verify the complete part number including suffixes such as CLTR against official Infineon documentation to ensure correct packaging and tape-and-reel configuration. Confirm that the fixed 1.8V output variant matches the specific design requirement, as other output voltages exist within the IRU1205 family. Cross-reference the datasheet revision history for any updates to electrical characteristics or recommended operating conditions prior to final procurement.

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

Select this component when a fixed 1.8V output is required with a maximum load current of 300mA. Ensure the input voltage remains within the specified 6V limit and that the dropout voltage requirements align with the minimum input voltage available in the system. Consider thermal dissipation capabilities based on the expected load current and ambient temperature conditions within the SOT-23 package.

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

The IRU1205 series comprises ultra-low dropout positive regulators designed for low-power applications. This specific model represents the fixed 1.8V output variant within the lineup, which also includes adjustable versions and other fixed voltage options. The series is characterized by high PSRR and low noise, making it suitable for RF and precision analog circuits alongside digital logic supplies.

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

Check for direct pin-compatible alternatives within the same LDO family offering different output voltages if system requirements change. Verify that substitute components maintain similar quiescent current and dropout voltage specifications to ensure no degradation in power efficiency or thermal performance occurs during replacement.