AO3487

Description：MOSFET P-CH 30V 4.3A SOT23-3
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)

SKU:e94a3ce3b7b1 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET P-CH 30V 4.3A SOT23-3
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)
FET Type：P-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：30 V
Current - Continuous Drain (Id) @ 25°C：4.3A (Ta)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：48mOhm @ 4.3A, 10V
Vgs(th) (Max) @ Id：2.4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：15 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：520 pF @ 15 V
FET Feature：-
Power Dissipation (Max)：1.4W (Ta)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Supplier Device Package：SOT-23-3
Package / Case：3-SMD, SOT-23-3 Variant

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AO3487

Overview

The AO3487 is a P-Channel Enhancement Mode Power MOSFET manufactured by Alpha & Omega Semiconductor. It features a maximum drain-source voltage (Vdss) of 30V and a continuous drain current (Id) of 4.3A at 25°C. The device exhibits a low on-resistance (Rds(on)) of 48mΩ, ensuring efficient power handling in compact designs. Packaged in a SOT-23-3 surface-mount case, it operates within a junction temperature range of -55°C to 150°C.

Feature Summary

P-Channel enhancement mode configuration for high-side switching applications
Low on-resistance design for improved efficiency and reduced power loss
Compact SOT-23-3 surface-mount package suitable for space-constrained layouts

Applications

Power management circuits in portable consumer electronics
Battery protection and load switch applications
DC-DC converter input/output stages

Procurement Notes

Verify the specific ordering suffix and revision level against the official Alpha & Omega Semiconductor datasheet before procurement. Confirm that the component status aligns with project requirements, as availability may vary. Ensure all electrical parameters meet the system specifications during the qualification phase.

Selection Notes

Select this component for applications requiring a 30V P-Channel MOSFET with moderate current handling capabilities. Evaluate the thermal performance based on the SOT-23-3 package constraints and the expected duty cycle. Ensure the gate drive voltage is compatible with the threshold characteristics for reliable switching.

Part Context

Alpha & Omega Semiconductor specializes in discrete power devices and power management ICs. The AO3487 belongs to their portfolio of power MOSFETs designed for high-volume applications. The company integrates process technology and packaging know-how to address complex power requirements in modern electronics.