AOZ1269QI-03

Description：IC REG BUCK ADJ 12A 23QFNB
Series：EZBuck™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)

SKU:c186bb2564ad Category: Voltage Regulators - DC DC Switching Regulators Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 12A 23QFNB
Series：EZBuck™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.7V
Voltage - Input (Max)：28V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：23.8V
Current - Output：12A
Frequency - Switching：200kHz ~ 1MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：23-PowerTFQFN
Supplier Device Package：23-QFNB (4x4)
Grade：-
Qualification：-

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AOZ1269QI-03

Overview

The AOZ1269QI-03 is a synchronous buck switching regulator IC from Alpha & Omega Semiconductor Inc., part of the EZBuck family. It delivers up to 12A output current with an input voltage range of 2.7V to 28V and adjustable output from 0.8V. Housed in a compact 23-PowerTFQFN package, it integrates high-side and low-side MOSFETs for efficient power conversion. The device supports fixed frequencies and includes comprehensive protection features such as overcurrent, overvoltage, and thermal shutdown.

Feature Summary

Integrates synchronous rectification for high efficiency
Supports wide input voltage range
Includes built-in protection mechanisms

Applications

Point-of-load regulation
Industrial equipment power supplies
Consumer electronics

Procurement Notes

Verify component authenticity through authorized channels. Confirm RoHS compliance status matches project requirements. Check datasheet revisions for any functional updates. Ensure storage conditions adhere to moisture sensitivity level specifications. Validate package markings against official manufacturer documentation.

Selection Notes

Evaluate thermal performance based on PCB layout and ambient temperature. Consider input voltage stability relative to the specified operating range. Assess load transient response requirements against internal control loop capabilities. Verify compatibility with external compensation components if frequency adjustment is needed.

Part Context

This component belongs to the AOZ1269 series of synchronous buck regulators. It shares architectural similarities with other EZBuck devices but offers specific current handling and packaging options tailored for dense power designs.