AOZ1037PI

$1.43

Description：IC REG BUCK ADJ 5A 8SO
Series：EZBuck™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:a4edca006577 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 5A 8SO
Series：EZBuck™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4.5V
Voltage - Input (Max)：18V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：18V
Current - Output：5A
Frequency - Switching：500kHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package：8-SO-EP
Grade：-
Qualification：-

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AOZ1037PI

Overview

The AOZ1037PI is a discontinued synchronous buck regulator from Alpha & Omega Semiconductor’s EZBuck series. It operates within an input voltage range of 4.5V to 18V, delivering up to 5A of continuous output current with voltages adjustable down to 0.8V. The device features fixed 500kHz PWM operation and integrates internal high-side (55mΩ) and low-side (19mΩ) switches for efficiencies up to 95%. Packaged in an exposed pad SO-8, it supports -40°C to +85°C ambient temperatures.

Feature Summary

Synchronous rectification architecture with integrated power switches
Integrated protection mechanisms including thermal shutdown and cycle-by-cycle current limit
Built-in soft start and pre-bias startup capabilities

Applications

Point of load DC/DC conversion
LCD TVs
Set top boxes
DVD / Blu-ray players/recorders
Telecom/Networking/Datacom equipment

Procurement Notes

Verify component obsolescence status prior to integration. The AOZ1037PI is officially marked as obsolete and no longer manufactured by Alpha & Omega Semiconductor. Sourcing availability is limited to existing stock or secondary market channels. Confirm package integrity and authenticity through authorized distributors or certified suppliers to ensure reliability in final assembly processes.

Selection Notes

Evaluate the AOZ1037PI against current portfolio alternatives due to its discontinued status. Consider replacement options such as the AOZ6689CI if similar specifications are required. Assess design longevity risks associated with end-of-life components. Ensure that system requirements align with the fixed 500kHz switching frequency and available input/output voltage ranges before finalizing the selection.

Part Context

The AOZ1037PI belongs to the EZBuck family of synchronous buck regulators designed for high efficiency and ease of use. Manufactured by Alpha & Omega Semiconductor, this component targets applications requiring compact power solutions. The part utilizes an exposed pad SO-8 package to facilitate thermal management. It represents a specific generation of power management ICs optimized for consumer electronics and datacom infrastructure.