IRU1010-33CY

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

The IRU1010-33CY is a fixed-output positive linear regulator from Infineon Technologies, part of the IRU1010 family. It provides a fixed 3.3V output with a maximum continuous current of 1A. The device features a maximum dropout voltage of 1.3V at full load and operates with an input voltage range up to 7V. It includes integrated overcurrent and thermal shutdown protection. The component is housed in a SOT-223 surface-mount package and supports an operating junction temperature range from 0°C to 150°C.

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

• Provides a stable fixed 3.3V output voltage suitable for digital logic power supplies.
• Delivers up to 1A of continuous output current with low dropout characteristics.
• Includes built-in overcurrent and thermal shutdown protection for system reliability.

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

• Powering microcontrollers and digital logic circuits requiring 3.3V rails
• Battery-powered portable devices needing efficient linear regulation
• Embedded systems requiring noise-sensitive power supply filtering

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

Verify the exact suffix against official Infineon documentation to confirm the fixed 3.3V output variant. Confirm RoHS compliance status as older batches may differ. Check lead times and availability as this component series may be subject to discontinuation or lifecycle changes. Ensure the SOT-223 package matches your PCB footprint requirements before ordering.

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

Select this component when a fixed 3.3V rail is required rather than an adjustable one. It is suitable for applications where input voltages do not exceed 7V and loads draw up to 1A. Consider thermal management due to the SOT-223 package size. Compare against adjustable variants if voltage flexibility is needed later in the design cycle.

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

The IRU1010 series consists of high-current linear regulators designed for general-purpose power management. The CY suffix typically denotes specific packaging or temperature grade variations within the Infineon portfolio. This family offers a balance of performance and cost for mid-current applications in consumer and industrial electronics.

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

Consult Infineon's official cross-reference tools for verified replacements. Generic LDOs may not match the 1A current capability or specific thermal characteristics. Verify pinout compatibility if substituting with similar packages like TO-261AA.

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

What is the maximum input voltage for the IRU1010-33CY?

The maximum input voltage is 7V.

Does the IRU1010-33CY include protection features?

Yes, it includes overcurrent protection and thermal shutdown.