AOZ22555QI

Voltage Regulators - DC DC Switching Regulators Overview

The AOZ22555QI is a high-efficiency synchronous buck regulator from Alpha & Omega Semiconductor. It operates with an input voltage range of 6.5V to 25V and delivers up to 15A output current. The device features adjustable output voltage starting from 0.6V, with a switching frequency up to 1MHz. It is housed in a 23-pin PowerTFQFN package designed for surface mount applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous step-down DC/DC converter architecture
• Adjustable positive output voltage regulation
• High efficiency operation under heavy load conditions

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial equipment power distribution
• Telecommunications infrastructure systems
• Enterprise server and storage solutions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the component marking DF00 against official Alpha & Omega Semiconductor datasheets to confirm authenticity. Ensure the package matches the specified 23-PowerTFQFN configuration. Request reliability reports confirming qualification results for the specific QFN4x4B-23L variant prior to final procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring a 15A continuous current capability within a 25V maximum input limit. The adjustable output feature allows flexibility for various core voltage requirements. Consider the thermal performance of the 23-pin QFN package for adequate heat dissipation in dense PCB layouts.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the AOZ2255 family of synchronous buck regulators. It shares the same 23-PowerTFQFN footprint as related models like the AOZ2262NQI, though current ratings may vary across the series. The 'QI' suffix typically denotes automotive-grade qualification or specific reliability enhancements compared to standard industrial variants.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other parts within the AOZ2255 family that match the 23-PowerTFQFN package and 15A current rating. Verify pin compatibility and thermal characteristics before swapping. Cross-reference with AOZ2262NQI if lower current requirements allow for potential cost optimization.