IRU1117-33CS

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

The IRU1117-33CS is a low dropout (LDO) linear voltage regulator manufactured by Infineon Technologies. It provides a fixed positive output voltage of 3.3V with a maximum output current capability of 800mA. The device utilizes an 8-pin SOIC package, designated as 8SOIC in distributor listings. It operates within an input voltage range typically associated with the 5V logic family, supporting applications requiring stable power for low-voltage integrated circuits.

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

• Provides a regulated positive fixed output voltage suitable for low-voltage ICs
• Capable of delivering up to 800mA output current
• Designed for low dropout operation to maintain regulation under varying load conditions

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

• Low current 3.3V logic supply
• High speed bus termination
• VGA and sound card power regulation

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

Verify the exact manufacturer source, as the IRU1117 series has historical associations with International Rectifier prior to acquisition. Confirm the specific suffix 'CS' corresponds to the 8SOIC package variant in official Infineon documentation. Ensure RoHS compliance status matches project requirements by checking the latest datasheet revision notes.

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

Select this component when a fixed 3.3V rail is required with moderate current demands up to 800mA. It is appropriate for space-constrained designs utilizing surface-mount SOIC packaging. Consider thermal dissipation capabilities relative to the PCB layout and ambient temperature conditions during selection.

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

This part belongs to the IRU1117 family of low dropout regulators. The series includes adjustable variants and other fixed voltage options. The IRU1117-33CS specifically denotes the fixed 3.3V version in an 8-pin SOIC package, distinguishing it from TO-252 or SOT packages used in other family members.

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

Direct substitutes include other 3.3V LDOs with similar current ratings and pinouts. Verify compatibility with existing board layouts if replacing with different package types such as SOT-223 or DPAK.