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Product Detailed Parameters
- Description：MOSFET N-CH 30V 15A/54A 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：15A (Ta), 54A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：8mOhm @ 20A, 10V
- Vgs(th) (Max) @ Id：2.6V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：22.5 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：951 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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Overview
The AOD518 is a 30V N-Channel AlphaMOS power MOSFET manufactured by Alpha & Omega Semiconductor Inc. It features a maximum drain-source voltage of 30V and a continuous drain current of 46A at VGS=10V. The device exhibits very low on-resistance, specified as less than 5.2mΩ at VGS=10V and less than 11.9mΩ at VGS=4.5V. It utilizes the latest Trench Power MOSFET technology for high current capability and low gate charge. The component is available in TO-251B (IPAK), TO-252 (DPAK), and SC-63 packages.
Feature Summary
- Utilizes latest Trench Power MOSFET technology for enhanced performance
- Features very low RDS(on) specifically optimized for 4.5V gate drive applications
- Provides high current capability with low gate charge characteristics
- Subjected to 100% Unclamped Inductive Switching (UIS) testing
Applications
- DC/DC Converters in Computing
- Isolated DC/DC Converters in Telecom
- Isolated DC/DC Converters in Industrial Applications
Procurement Notes
Verify the specific package variant required, as the AOD518 is offered in multiple form factors including TO-251B, TO-252, and SC-63. Confirm that the selected part meets RoHS and Halogen-Free compliance standards if environmental regulations apply to the design. Ensure the application does not involve life support devices, as the datasheet explicitly states these uses are not authorized for this consumer market product.
Selection Notes
Select the AOD518 when designing circuits requiring a 30V rating with high current handling up to 46A. The low on-resistance at 4.5V makes it suitable for logic-level control applications. Consider the thermal resistance values provided in the datasheet for heat sinking requirements. Verify that the operating junction temperature range of -55°C to 175°C aligns with the environmental conditions of the target system.
Part Context
The AOD518 belongs to the AlphaMOS series from Alpha & Omega Semiconductor Inc., designed for general-purpose power switching. It is functionally similar to the AOI518 but differs in packaging. The device is positioned for use in computing and industrial power supplies where efficiency and thermal performance are critical. It represents a standard solution for low-voltage, high-current DC/DC conversion tasks.
Replacement Considerations
The AOI518 is a direct functional equivalent within the same family, differing primarily in package style. No other cross-brand substitutes are confirmed in the source material.
