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Product Detailed Parameters
- Description：N
- Series：AlphaSGT™
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：100 V
- Current - Continuous Drain (Id) @ 25°C：11.5A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：12mOhm @ 11.5A, 10V
- Vgs(th) (Max) @ Id：2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：50 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：2305 pF @ 50 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 AO4294A is a 100V N-Channel AlphaSGT™ trench power MOSFET in an SO-8 package. It features low on-resistance of less than 12mΩ at VGS=10V and 15.5mΩ at VGS=4.5V, supporting continuous drain currents up to 11.5A. The device includes logic level driving capability and excellent gate charge performance. It has been tested for 100% UIS and Rg compliance.
Feature Summary
- Utilizes AlphaSGT™ technology for optimized switching efficiency
- Features low on-resistance suitable for synchronous rectification
- Supports logic level driving with reduced gate charge product
Applications
- High frequency switching circuits
- Synchronous rectification modules
Procurement Notes
Verify the specific ordering suffix matches the required tape and reel quantity of 3000 units. Confirm RoHS and halogen-free compliance status aligns with project requirements. Ensure the component revision corresponds to the latest datasheet version for accurate thermal and electrical parameters.
Selection Notes
Select this component for applications requiring high voltage tolerance with efficient logic-level control. The low gate charge supports faster switching speeds while minimizing drive losses. Evaluate thermal management needs based on the junction-to-ambient resistance values provided in the datasheet.
Part Context
This part belongs to the AlphaSGT™ family of N-channel MOSFETs designed for power management applications. It offers improved figure of merit compared to standard trench technologies. The SO-8 package provides a compact solution for surface mount assembly in various electronic systems.
Replacement Considerations
Check pinout compatibility and absolute maximum ratings before substitution. Verify that alternative components meet the same on-resistance and gate threshold voltage specifications for equivalent circuit performance.
