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Product Detailed Parameters
- Description：MOSFET P-CH -40V 50A DFN3X3
- Series：-
- Mfr：Analog Power Inc.
- Package：Bulk
- FET Type：P-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：40 V
- Current - Continuous Drain (Id) @ 25°C：20A (Ta), 50A (Tc)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：7.5mOhm @ 10A, 10V
- Vgs(th) (Max) @ Id：1V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：70 nC @ 4.5 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：4147 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：4.6W (Ta), 83W (Tc)
- Operating Temperature：-55°C ~ 175°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：8-DFN (3.3x3.3)
- Package / Case：8-PowerWDFN
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Overview
The AMS441P is a surface-mount P-Channel MOSFET manufactured by Analog Power Inc. It features a drain-source voltage rating of -40 V and continuous drain currents of 20 A at ambient temperature and 50 A at case temperature. The device is housed in an 8-DFN (3.3x3.3) package, offering thermal dissipation capabilities of 4.6 W at ambient temperature and 83 W at case temperature. Key electrical characteristics include a gate-source threshold voltage of -1 V under specified conditions and a gate-body leakage current of ±100 nA.
Feature Summary
- Single P-Channel MOSFET configuration for power switching applications
- Surface mount construction utilizing 8-DFN (3.3x3.3) packaging
- Capable of handling high continuous drain currents up to 50 A at case temperature
Applications
- Power management circuits requiring P-Channel switching
- Low voltage DC-DC converter topologies
- Load switch implementations in portable electronics
Procurement Notes
Verify the manufacturer designation as Analog Power Inc. when sourcing this component. Confirm the specific package variant matches the 8-DFN (3.3x3.3) footprint requirements for your PCB layout. Ensure that thermal design calculations account for the distinct ambient and case temperature power dissipation ratings provided in the official datasheet to prevent overheating during operation.
Selection Notes
Select the AMS441P when a compact P-Channel solution is required for -40 V systems. Consider the trade-off between the smaller 8-DFN package size and its lower thermal dissipation compared to larger packages. Evaluate the 20 A versus 50 A current ratings based on whether the application relies on ambient or case cooling conditions to determine if this specific thermal profile meets the system's power handling needs.
Part Context
Analog Power Inc. specializes in semiconductor solutions within the power management arena, focusing on precise design for various electronic applications. The AMS441P belongs to their portfolio of single FETs and MOSFETs, designed to provide efficient switching capabilities in a small form factor suitable for modern consumer and industrial electronic devices requiring reliable power control.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical specifications with alternative manufacturers before considering any cross-references.
