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Product Detailed Parameters
- Description：MOSFET P-CH 30V 6A 8SOIC
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：P-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：6A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：2.5V, 10V
- Rds On (Max) @ Id, Vgs：46mOhm @ 6.1A, 10V
- Vgs(th) (Max) @ Id：1.3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：11.3 nC @ 4.5 V
- Vgs (Max)：±12V
- Input Capacitance (Ciss) (Max) @ Vds：1128 pF @ 15 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 AO4403 is a P-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor Inc. It utilizes advanced trench technology to deliver excellent on-state resistance and low gate charge, enabling operation with gate voltages as low as 2.5V. The device features a continuous drain current of 6A at 25°C ambient temperature and a maximum power dissipation of 3.1W. It is housed in an 8-SOIC surface-mount package. Key electrical parameters include a drain-source voltage rating of 30V, a gate-source voltage limit of ±12V, and an on-state resistance typically around 46mΩ to 48mΩ.
Feature Summary
- Advanced trench technology for optimized performance
- Low gate charge for efficient switching
- Compatible with low gate drive voltages down to 2.5V
Applications
- Notebook CPU core power conversion
- Low side switch applications
- General purpose power switching
Procurement Notes
Verify the specific datasheet version and manufacturer documentation before integration. Confirm that the 8-SOIC package dimensions match your PCB footprint requirements. Ensure thermal management strategies account for the 3.1W power dissipation limit at the intended ambient temperature. Check for RoHS compliance status if environmental regulations apply to your manufacturing process.
Selection Notes
Select this component when a P-Channel MOSFET with moderate current handling and low gate drive requirements is needed. The 30V rating suits low-voltage DC-DC converters and battery-powered systems. Consider the 8-SOIC package for space-constrained designs requiring surface mount assembly. Evaluate thermal constraints carefully given the limited power dissipation capability compared to larger packages.
Part Context
This part belongs to the Alpha & Omega Semiconductor P-Channel MOSFET family, designed for general-purpose switching applications. The AO4403 specifically targets cost-sensitive markets requiring reliable performance in portable electronics. Its trench technology platform allows for reduced on-resistance without increasing gate charge significantly.
Replacement Considerations
Direct substitutes may include other 30V P-Channel SO-8 MOSFETs from various manufacturers. Verify pinout compatibility and ensure equivalent or better RDS(on) and current ratings. Cross-reference thermal characteristics to maintain system reliability.
