AOZ1237QI-01

Overview

The AOZ1237QI-01 is a high-efficiency synchronous step-down DC-DC converter from Alpha & Omega Semiconductor. It operates with an input voltage range of 2.7V to 28V and delivers up to 8A output current. The device features an adjustable output voltage range from 0.8V to 23.8V. It supports switching frequencies between 100kHz and 1MHz. The component functions within an operating temperature range of -40°C to 85°C (TA). It utilizes surface mount mounting technology.

Feature Summary

• Synchronous rectification for enhanced power conversion efficiency
• Integrated EZBuck regulator topology for compact design
• Wide input voltage capability supporting various supply sources

Applications

• Portable laptop debugging power supplies
• General power supply designs
• Motor control systems

Procurement Notes

Verify the specific suffix designation, as variants such as AOZ1237QI-02 and AOZ1237QI-03 exist with different maximum input voltage ratings. Confirm that the selected part matches the required input voltage constraints for the target application. Ensure the package type and thermal requirements align with the PCB layout specifications before finalizing procurement orders.

Selection Notes

Select this component when a wide input voltage range up to 28V is required alongside high current delivery capabilities. The adjustable output voltage allows flexibility for various logic levels. Consider the thermal performance in the chosen enclosure, as the device generates heat under full load conditions without external heatsinks in some configurations.

Part Context

This regulator belongs to the EZBuck family of synchronous buck converters. It is designed to replace discrete solutions by integrating high-side and low-side MOSFETs. The series is commonly used in portable electronics and industrial applications requiring efficient voltage regulation from higher bus voltages.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.