AOZ1212DI#A

Description：IC REG BUCK ADJ 3A 8DFN
Series：EZBuck™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)

SKU:425b6dec81d3 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 3A 8DFN
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)：4.5V
Voltage - Input (Max)：27V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：22.95V
Current - Output：3A
Frequency - Switching：370kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-WDFN Exposed Pad
Supplier Device Package：8-DFN-EP (5x4)
Grade：-
Qualification：-

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AOZ1212DI#A

Overview

The AOZ1212DI#A is a buck switching regulator IC from the EZBuck series, manufactured by Alpha & Omega Semiconductor Inc. It features an adjustable output voltage range of 0.8V to 22.95V with a maximum continuous output current of 3A. The device operates within an input voltage window of 4.5V to 27V and supports a switching frequency of 370kHz. Packaged in an 8-DFN-EP(5x4) surface-mount case, it is rated for operation between -40°C and 85°C ambient temperature. This component is currently marked as obsolete.

Feature Summary

Integrates a non-synchronous buck converter topology for efficient DC-DC step-down conversion
Provides a single positive adjustable output channel controlled via external feedback network
Designed for compact surface-mount applications requiring regulated power delivery

Applications

General purpose DC-DC power supply circuits
Embedded system voltage regulation
Portable electronic device power management

Procurement Notes

This component has been officially declared obsolete by the manufacturer. Verification of availability should focus on surplus or secondary market channels rather than direct production lines. Confirm that any sourced units match the specific 8-DFN-EP(5x4) package variant to ensure compatibility with existing footprints.

Selection Notes

Engineers seeking this part should evaluate active alternatives within the EZBuck family that offer synchronous rectification for improved efficiency. Consider devices with higher current ratings or wider input voltage ranges if system requirements have evolved since the original design phase.

Part Context

The AOZ1212DI#A belongs to the EZBuck product line, which focuses on cost-effective, small-footprint switching regulators. It serves as a variant of the AOZ1212 series, specifically distinguished by its 8-DFN-EP(5x4) package configuration compared to other pinout options like the DI or AI suffixes.