AON4703

Description：MOSFET P-CH 20V 3.4A 8DFN
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)

SKU:4b154d999b16 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

AON4703 is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Alpha & Omega Semiconductor Inc.. Its product description is MOSFET P-CH 20V 3.4A 8DFN. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for AON4703

Description：MOSFET P-CH 20V 3.4A 8DFN
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)
FET Type：P-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：20 V
Current - Continuous Drain (Id) @ 25°C：3.4A (Ta)
Drive Voltage (Max Rds On, Min Rds On)：1.8V, 4.5V
Rds On (Max) @ Id, Vgs：90mOhm @ 3.4A, 4.5V
Vgs(th) (Max) @ Id：1V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：6.1 nC @ 4.5 V
Vgs (Max)：±8V
Input Capacitance (Ciss) (Max) @ Vds：540 pF @ 10 V
FET Feature：Schottky Diode (Isolated)
Power Dissipation (Max)：1.7W (Ta)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Supplier Device Package：8-DFN (3x2)
Package / Case：8-SMD, Flat Leads

Single FETs, MOSFETs datasheet and documents for AON4703

AON4703

Single FETs, MOSFETs Overview

The AON4703 is a P-Channel MOSFET integrated with a Schottky diode, housed in an 8-pin DFN 3x2 package. It features a drain-source voltage of -20V and a continuous drain current of -3.4A at 25°C. The device utilizes advanced trench technology to achieve low on-resistance, specified as less than 90mΩ at VGS=-4.5V and less than 160mΩ at VGS=-1.8V. The integrated Schottky diode provides a forward voltage drop of less than 0.5V at 1A. Key electrical parameters include a gate threshold voltage ranging from -0.4V to -1V, total gate charge of 11nC, and input capacitance of 745pF.

Single FETs, MOSFETs Feature Summary

Integrates a P-Channel MOSFET with a built-in Schottky diode for bidirectional blocking switch or buck converter applications.
Utilizes advanced trench technology to deliver excellent on-resistance performance and low gate charge.
Provides high safe operating area (SOA) robustness suitable for demanding power switching environments.

Single FETs, MOSFETs Applications

Bidirectional blocking switches
Buck converter circuits
Low-side load switches

Single FETs, MOSFETs Procurement Notes

Verify the specific revision status of the datasheet, as the provided documentation indicates Revision 2.1 dated January 2024. Confirm that the required thermal management aligns with the steady-state junction-to-ambient thermal resistance values provided for FR-4 board mounting. Ensure design margins account for the maximum junction temperature rating of 150°C during operation.

Single FETs, MOSFETs Selection Notes

Select this component when a compact solution combining a P-Channel MOSFET and a Schottky barrier rectifier is required. The DFN 3x2 package offers a small footprint suitable for space-constrained designs. Consider the low gate charge and fast switching characteristics for efficiency optimization in DC-DC conversion topologies requiring bidirectional control capabilities.

Single FETs, MOSFETs Part Context

Alpha & Omega Semiconductor manufactures the AON4703 as part of its portfolio of power semiconductors designed for portable computers, servers, and telecommunications equipment. The company focuses on developing high-performance solutions using advanced trench technology and packaging techniques to meet complex power requirements in consumer and industrial electronics.

Single FETs, MOSFETs Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify pinout compatibility and electrical specifications against alternative components if sourcing changes occur.