AOD478

$0.71

Description：MOSFET N-CH 100V 2.5A/11A TO252
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:d898b350f2bc Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 100V 2.5A/11A 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)：100 V
Current - Continuous Drain (Id) @ 25°C：2.5A (Ta), 11A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：140mOhm @ 4.5A, 10V
Vgs(th) (Max) @ Id：2.8V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：13 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：540 pF @ 50 V
FET Feature：-
Power Dissipation (Max)：2.1W (Ta), 45W (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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AOD478

Overview

The AOD478 is a 100V N-Channel MOSFET utilizing advanced trench technology. It features a maximum drain-source voltage of 100V and a continuous drain current of 11A at 25°C. The on-resistance is less than 140mΩ at VGS=10V and less than 152mΩ at VGS=4.5V. The device supports a pulsed drain current of 24A and operates within a junction temperature range of -55°C to 175°C. It includes 100% UIS and Rg testing.

Feature Summary

Combines advanced trench MOSFET technology with low resistance packaging for extremely low RDS(ON).
Features 100% Unclamped Inductive Switching (UIS) and Gate Resistance testing for reliability.

Applications

Boost converters
Synchronous rectifiers
Consumer power supplies
Telecom power supplies
Industrial power supplies
LED backlighting

Procurement Notes

Verify the specific package variant required, as the datasheet covers TO-252, DPAK, TO-251A, and IPAK configurations. Confirm thermal management requirements align with the specified junction-to-ambient or junction-to-case resistance values based on your PCB copper area and airflow conditions. Ensure component suitability for the intended application scope.

Selection Notes

Select this component for applications requiring high voltage blocking capability combined with efficient synchronous rectification. The low gate charge and fast switching times support high-frequency operation. Evaluate thermal performance against the derating curves provided for continuous and pulsed current loads in your specific enclosure environment.

Part Context

This part belongs to the Alpha & Omega Semiconductor N-Channel MOSFET family designed for surface-mount power applications. It utilizes silicon planar trench technology to achieve superior on-resistance characteristics compared to standard planar devices. The product line targets efficiency improvements in various DC-DC conversion topologies.

Replacement Considerations

The AOI478 is documented as a companion part within the same general description. Verify pinout compatibility and exact electrical parameter tolerances before substitution. No other direct substitute part numbers are confirmed in the provided documentation.