AM4842N

AM4842N

$0.51
  • Description:MOSFET N-CH 40V 13.8A SOIC-8
  • Series:-
  • Mfr:Analog Power Inc.
  • Package:Bulk

SKU:be88895cbe53 Category: Brand:

  
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Product Detailed Parameters

  • Description:MOSFET N-CH 40V 13.8A SOIC-8
  • Series:-
  • Mfr:Analog Power Inc.
  • Package:Bulk
  • FET Type:N-Channel
  • Technology:MOSFET (Metal Oxide)
  • Drain to Source Voltage (Vdss):40 V
  • Current - Continuous Drain (Id) @ 25°C:13.8A (Ta)
  • Drive Voltage (Max Rds On, Min Rds On):4.5V, 10V
  • Rds On (Max) @ Id, Vgs:11mOhm @ 11A, 10V
  • Vgs(th) (Max) @ Id:1V @ 250µA
  • Gate Charge (Qg) (Max) @ Vgs:20 nC @ 4.5 V
  • Vgs (Max):±20V
  • Input Capacitance (Ciss) (Max) @ Vds:737 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-SO
  • Package / Case:8-SOIC (0.154", 3.90mm Width)

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AM4842N

Overview

The Analog Power AM4842N is an N-Channel MOSFET with a Drain-Source Voltage (VDS) of 40 V and a Gate-Source Voltage (VGS) rating of ±20 V. It features a maximum continuous drain current (ID) of 13.8 A at 25°C, reducing to 11.6 A at 70°C. The on-state resistance (rDS(on)) is 11 mΩ at VGS = 10 V and 14 mΩ at VGS = 4.5 V. The device supports a pulsed drain current (IDM) of 50 A and has a maximum junction temperature range from -55°C to 150°C.

Feature Summary

  • Utilizes low rDS(on) trench technology for efficient conduction.
  • Designed with low thermal impedance for effective heat dissipation.
  • Capable of fast switching speeds suitable for high-frequency applications.

Applications

  • White LED boost converters
  • Automotive Systems
  • Industrial DC/DC Conversion Circuits

Procurement Notes

Verify the specific datasheet revision number DS_AM4842N_1A against your procurement requirements. Confirm that the component meets all necessary safety standards for its intended application environment. Ensure compatibility with existing circuit designs regarding voltage ratings and thermal management constraints before finalizing orders.

Selection Notes

Select this component when a 40 V N-Channel MOSFET is required for power management tasks. Consider the 11 mΩ rDS(on) at 10 V gate drive for standard logic-level control or the 14 mΩ value at 4.5 V if driving from lower voltage sources. Evaluate the thermal resistance and package type to ensure adequate heat sinking for the expected load currents in the target system design.

Part Context

This component belongs to the Analog Power discrete semiconductor portfolio, specifically within their N-Channel MOSFET line. It is designed for general-purpose power switching applications requiring moderate voltage handling and efficient current flow. The device is manufactured using silicon-based trench technology to optimize performance characteristics for modern electronic systems.

Replacement Considerations

Consult official Analog Power documentation for verified substitute part numbers. Cross-reference electrical parameters such as VDS, ID, and rDS(on) to ensure functional equivalence in the target circuit design without compromising system reliability.

FAQ

What is the maximum continuous drain current at elevated temperatures?

The maximum continuous drain current decreases to 11.6 A when the ambient temperature reaches 70°C.

How does the on-resistance vary with gate voltage?

The on-resistance is specified as 11 mΩ at a gate-source voltage of 10 V and increases to 14 mΩ at a gate-source voltage of 4.5 V.

AM4842NAM4842N
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