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Product Detailed Parameters
- Description：MOSFET P-CH 40V 10A 8SOIC
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- FET Type：P-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：40 V
- Current - Continuous Drain (Id) @ 25°C：10A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：15mOhm @ 10A, 10V
- Vgs(th) (Max) @ Id：2.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：55 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：3000 pF @ 20 V
- FET Feature：-
- Power Dissipation (Max)：1.7W (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 AO4485L is a P-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor Inc. It utilizes advanced trench technology to achieve low gate charge and excellent on-resistance. The device features a drain-source voltage of -40V and a continuous drain current of -10A at ambient temperature. Key electrical parameters include an on-resistance of less than 15mΩ at VGS = -10V and less than 20mΩ at VGS = -4.5V. It is housed in an 8-SOIC surface-mount package with a maximum power dissipation of 1.7W.
Feature Summary
- Advanced trench technology for low gate charge and high performance
- Suitable for DC-DC converter applications
- Halogen-free construction
Applications
- DC-DC converters
Procurement Notes
Verify the specific suffix 'L' indicates halogen-free status as per manufacturer documentation. Confirm package type is 8-SOIC. Check current availability status as manufacturing lifecycles may change. Ensure compatibility with required thermal management for 1.7W dissipation.
Selection Notes
Select this component for low-side switching or high-side control in 40V systems requiring efficient switching. Compare on-resistance values at specific gate drive voltages against circuit requirements. Consider the 8-SOIC package constraints for PCB layout and thermal design.
Part Context
This part belongs to the AO44 series of P-Channel MOSFETs from Alpha & Omega Semiconductor. It is electrically identical to the AO4485, differing primarily in packaging or environmental compliance attributes such as being halogen-free. It serves as a discrete power switch solution within the broader portfolio of trench MOSFET products.
Replacement Considerations
The AO4485 is confirmed as an electrically identical substitute. Verify that the replacement part meets the same halogen-free requirement if specified.
