AO4566

$0.13

Description：MOSFET N-CH 30V 12A 8SOIC
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)

SKU:0aaa127179cd Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 30V 12A 8SOIC
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：30 V
Current - Continuous Drain (Id) @ 25°C：12A (Ta)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：11mOhm @ 12A, 10V
Vgs(th) (Max) @ Id：2.3V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：12.2 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：542 pF @ 15 V
FET Feature：-
Power Dissipation (Max)：2.5W (Ta)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Supplier Device Package：8-SOIC
Package / Case：8-SOIC (0.154", 3.90mm Width)

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AO4566

Overview

The AO4566 is a surface-mount N-channel Power MOSFET manufactured by Alpha & Omega Semiconductor Inc. It utilizes the latest Trench Power AlphaMOS (αMOS LV) technology to achieve very low on-resistance at a gate voltage of 4.5V and low gate charge. The device supports a drain-source voltage of 30V and a continuous drain current of 12A at Vgs=10V. Its maximum on-resistance is less than 11mΩ at Vgs=10V and less than 17mΩ at Vgs=4.5V. The component is RoHS and halogen-free compliant and has undergone 100% UIS and Rg testing.

Feature Summary

Utilizes advanced Trench Power AlphaMOS (αMOS LV) technology for enhanced performance
Provides very low RDS(on) specifically optimized for operation at 4.5V gate drive
Features low gate charge characteristics to support efficient switching applications
Includes integrated protection verified through 100% Unclamped Inductive Switching (UIS) and Gate Resistance (Rg) testing

Applications

DC/DC Converters in Computing and Servers
Point-of-Load (POL) conversion systems
Isolated DC/DC Converters in Telecom infrastructure
Industrial power supply modules

Procurement Notes

Verify the specific manufacturer source, as the AO4566 designation appears in documentation from multiple entities including Alpha & Omega Semiconductor and Guangdong Kexin Industrial. Confirm that the datasheet corresponds to the intended electrical specifications, particularly the 30V rating and 12A current capability. Ensure compliance with RoHS and halogen-free requirements if mandated by the design. Check for any ordering suffixes that may indicate package variations or environmental certifications distinct from the standard product.

Selection Notes

Select this component for designs requiring efficient power conversion at low gate drive voltages. The αMOS LV technology makes it suitable for logic-level driving scenarios where minimizing conduction losses is critical. The 30V rating provides adequate headroom for 24V or 12V bus systems. Consider the thermal management requirements associated with the TO-252 package when designing for high-current loads up to 12A. The 100% UIS testing ensures robustness against inductive load transients common in server and telecom environments.

Part Context

The AO4566 belongs to the AlphaMOS family of N-channel enhancement mode field effect transistors. It is part of a series designed for general-purpose power switching applications. Similar devices in the market include the AO4568 and AO4490, which share comparable voltage ratings but differ in current handling and resistance specifications. The component is widely used in modern electronics where size efficiency and thermal performance are prioritized.