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AO4425

Name: AO4425
Rating: 4.7 (12 reviews)

MOSFET P-CH 38V 14A 8SOIC

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資料表 AO4425 DataSheet
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規格

Supplier	Alpha & Omega Semiconductor Inc.
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
FETType	P-Channel
Technology	MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss)	38 V
Current-ContinuousDrain(Id)@25°C	14A (Ta)
DriveVoltage(MaxRdsOnMinRdsOn)	10V, 20V
RdsOn(Max)@IdVgs	10mOhm @ 14A, 20V
Vgs(th)(Max)@Id	3.5V @ 250µA
GateCharge(Qg)(Max)@Vgs	63 nC @ 10 V
Vgs(Max)	±25V
InputCapacitance(Ciss)(Max)@Vds	3800 pF @ 20 V
PowerDissipation(Max)	3.1W (Ta)
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Surface Mount
SupplierDevicePackage	8-SOIC

概述

Description

AO4425 is a high-performance N-channel enhancement-mode power MOSFET from Alpha & Omega Semiconductor. It’s used as a switching device in power electronics, such as DC-DC converters, motor drivers, and load switches. Key features typically include low on-resistance (Rds(on)) for high efficiency, good current handling, and fast switching suitable for high-frequency operation. The device is offered in common surface-mount packages (e.g., D2PAK/TO-252 or SO-8) and comes in variants rated for different maximum drain‑source voltages (Vds) and currents. Because parameters vary by package and grade, always consult the AO4425 datasheet for exact specs (Vds, Id, Rds(on), switching characteristics) for the specific part you’re using.

Features

AO4425 is an N-channel enhancement-mode power MOSFET. Key features:
- VDS: 55 V
- Low RDS(on): typically in the single-digit milliohm range (depends on package)
- High drain current capability (depends on package, commonly 8–15 A)
- Trench MOSFET technology for low gate charge and high density
- Fast switching with low gate drive requirements (VGS 4.5–10 V)
- Rugged avalanche energy rating for inductive loads
- Good dv/dt immunity
- RoHS compliant; available in surface-mount packages (e.g., DPAK/TO-252, D2PAK/TO-263)
- Ideal for DC-DC converters, switching regulators, and other high-speed switching applications
Note: exact numbers (RDS(on), Id) vary by package and operating conditions; consult the datasheet for precise specifications.

Package

AO4425 is a power MOSFET in surface-mount packages. Common options are DPAK (TO-252) and D2PAK (TO-263); always check the specific datasheet or supplier listing for the exact package variant.

Pinout

- Pin count: 3 pins (G, D, S); the drain is typically connected to the package tab in many packages.
- Function: N-channel enhancement-mode power MOSFET used as a high-/low-side switch in switching regulators and power circuits.

Manufacturer

Manufacturer: Alpha & Omega Semiconductor (AOS).
What kind of company: A global semiconductor company that designs and manufactures power semiconductors (e.g., MOSFETs, IGBTs, power ICs) for power-management applications in automotive, consumer, and industrial electronics.

Application

AO4425 is an N-channel power MOSFET. Typical application areas:
- High-efficiency switching regulators (buck/boost, synchronous rectification)
- Power switches in voltage regulators and PMICs
- Motor control (DC motors, BLDC) and gate-drive circuits
- Automotive and industrial power electronics (DC-DC converters, load switching)
- Solar/renewable energy electronics (charge controllers, inverters)
- General power-switching in portable devices and adapters
Low on-resistance and fast switching make it suitable for compact, high-efficiency power paths.

Equivalent

I don’t have enough detail to safely list equivalents. Please provide the full manufacturer/part number or key specs (VDS, ID, RDS(on), gate threshold, package). With those I can give a concise list of drop-in or close equivalents.