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Product Detailed Parameters
- Description：MOSFET N-CH 80V 11A 8SOIC
- Series：SDMOS™
- 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)：80 V
- Current - Continuous Drain (Id) @ 25°C：11A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：7V, 10V
- Rds On (Max) @ Id, Vgs：12mOhm @ 11A, 10V
- Vgs(th) (Max) @ Id：3.8V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：46 nC @ 10 V
- Vgs (Max)：±25V
- Input Capacitance (Ciss) (Max) @ Vds：2865 pF @ 40 V
- FET Feature：-
- Power Dissipation (Max)：3.1W (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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Overview
The AO4444 is an 80V N-Channel MOSFET fabricated with SDMOS trench technology. It provides a continuous drain current of 11A at VGS=10V and maintains on-resistance below 12mΩ at VGS=10V and 14.5mΩ at VGS=7V. The device features low gate charge and reverse recovery characteristics, ensuring efficient switching behavior. It is rated for junction temperatures up to 150°C and includes 100% UIS and Rg testing.
Feature Summary
- Utilizes SDMOS trench technology to combine excellent on-resistance with low gate charge and reverse recovery charge.
- Features controlled switching behavior suitable for high-efficiency applications.
- Includes 100% Unclamped Inductive Switching (UIS) and Gate Resistance (Rg) testing.
Applications
- PWM applications
- Load switching
- General purpose applications
Procurement Notes
Verify the specific datasheet revision and manufacturer documentation before integration. Confirm that the component meets the required thermal management specifications for your board design, as junction-to-ambient resistance depends on copper area and airflow. Ensure the application does not involve life support systems, as this product is qualified for the consumer market only.
Selection Notes
Select the AO4444 when an 80V rating is required alongside low conduction losses in an SOIC-8 package. Consider its performance at VGS=7V if driving from lower voltage logic levels. Evaluate the thermal requirements based on the specified junction-to-ambient resistance values under your specific PCB layout conditions.
Part Context
This component belongs to the Alpha & Omega Semiconductor lineup of N-Channel MOSFETs utilizing advanced trench processes. It is designed for general-purpose switching tasks where efficiency and robustness are prioritized. The SOIC-8 package allows for surface-mount integration in compact electronic designs.
Replacement Considerations
AO4444L is electrically identical to the AO4444 and serves as a green product ordering option. Verify pinout compatibility and thermal characteristics when substituting other 80V N-Channel MOSFETs in similar packages.
