AOD508

$1.10

Description：MOSFET N-CH 30V 22A/70A TO252
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:909a10de2f9b Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 30V 22A/70A TO252
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：30 V
Current - Continuous Drain (Id) @ 25°C：22A (Ta), 70A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：3mOhm @ 20A, 10V
Vgs(th) (Max) @ Id：2.2V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：49 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：2010 pF @ 15 V
FET Feature：-
Power Dissipation (Max)：2.5W (Ta), 50W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Supplier Device Package：TO-252 (DPAK)
Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63

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AOD508

Overview

The AOD508 is a 30V N-Channel AlphaMOS power MOSFET from Alpha & Omega Semiconductor Inc. It features a maximum drain-source voltage of 30V and a continuous drain current of 70A at VGS=10V. The device exhibits very low on-resistance, specified as less than 3mW at VGS=10V and less than 4.5mW at VGS=4.5V. It utilizes the latest Trench Power MOSFET technology to achieve high current capability and low gate charge. The component is designed for robust performance in DC/DC converter applications.

Feature Summary

Utilizes advanced Trench Power MOSFET technology for enhanced performance
Features very low RDS(on) across standard gate drive voltages
Includes low gate charge characteristics for efficient switching
Provides high current capability suitable for demanding power stages

Applications

DC/DC Converters in Computing
Isolated DC/DC Converters in Telecom
Isolated DC/DC Converters in Industrial systems

Procurement Notes

Verify the specific package variant required, as the datasheet covers both TO252 (DPAK) and TO-251A (IPAK) configurations. Confirm that the selected part meets the intended thermal dissipation requirements based on the application's board design and ambient temperature conditions. Ensure compliance with RoHS and Halogen-Free standards if mandated by the final product specifications.

Selection Notes

Select this component for designs requiring low conduction losses at 30V levels. The low gate charge supports high-frequency operation in switching regulators. Evaluate the thermal management strategy carefully, as the junction-to-ambient resistance varies significantly based on PCB copper area and airflow. The device is suitable for computing and industrial telecom power supplies where efficiency and current density are critical.

Part Context

This component belongs to the AlphaMOS series from Alpha & Omega Semiconductor Inc., focusing on low-voltage, high-current power switching solutions. The AOD508 specifically targets applications needing robust N-channel MOSFETs with optimized on-resistance. It represents the company's trench technology implementation for cost-effective and high-performance power management in compact form factors.

Replacement Considerations

Check pinout compatibility between TO252 and TO-251A packages if substituting within the same family. Verify that alternative devices meet or exceed the 30V breakdown and 70A current ratings. Ensure the replacement maintains similar gate charge and on-resistance values to preserve circuit efficiency and switching speeds.