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AO4482

Name: AO4482
Rating: 4.7 (12 reviews)

MOSFET N-CH 100V 6A 8SOIC

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規格

Supplier	Alpha & Omega Semiconductor Inc.
Package	Tape & Reel (TR)
ProductStatus	Active
FETType	N-Channel
Technology	MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss)	100 V
Current-ContinuousDrain(Id)@25°C	6A (Ta)
DriveVoltage(MaxRdsOnMinRdsOn)	4.5V, 10V
RdsOn(Max)@IdVgs	37mOhm @ 6A, 10V
Vgs(th)(Max)@Id	2.7V @ 250µA
GateCharge(Qg)(Max)@Vgs	44 nC @ 10 V
Vgs(Max)	±20V
InputCapacitance(Ciss)(Max)@Vds	2000 pF @ 50 V
PowerDissipation(Max)	3.1W (Ta)
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Surface Mount
SupplierDevicePackage	8-SOIC

概述

Description

AO4482 is a power MOSFET from Alpha & Omega Semiconductor. It’s a single N-channel enhancement-mode device used as a high-speed switching transistor in power electronics (e.g., DC-DC converters, motor drivers, load switches). The part is designed for efficient switching with low on-resistance and high current capability, and it comes in surface-mount packages such as SO-8 or DPAK. Gate-drive requirements are typical of logic-level MOSFETs, but you should verify the exact Vgs rating and gate charge for your design. For precise specifications (Vds, Id, Rds(on), switching characteristics) and available packages, consult the AO4482 datasheet. If you want, I can pull the latest spec sheet.

Features

AO4482 is a 60 V N-channel MOSFET from Alpha & Omega. Key features:
- N-channel enhancement mode
- Vds = 60 V, Id ≈ 40+ A (continuous)
- Rds(on) around a few milliohms (typ. ~7–8 mΩ) at Vgs = 4.5 V
- Logic-level gate (low Vgs threshold, suitable for 4.5 V drive)
- Low gate charge and fast switching
- Rugged avalanche energy rating for reliability in switching apps
- Wide operating temp range (‑55°C to ~150°C junction)
- Available in surface-mount packages (e.g., DPAK/SO-8)
Note: for exact numbers and package options, consult the current AO4482 datasheet.

Package

AO4482 comes in a DPAK (TO-252) surface-mount package.

Pinout

AO4482 is a power N-channel MOSFET. Pin count: 3 leads (Gate, Drain, Source). In typical packages (e.g., TO-252/DPAK), the drain is also connected to the metal tab, so the tab functions as Drain. Function: gate controls conduction between Drain and Source for switching/linear power applications.

Manufacturer

Manufacturer: Alpha & Omega Semiconductor (AOS).
What kind of company: AOS is a fabless power semiconductor company that designs and supplies power MOSFETs, power-management ICs, diodes and related analog power solutions for consumer, computing, communications and industrial markets; it is a publicly traded, global semiconductor supplier headquartered in the United States.

Application

AO4482 is a high‑performance N‑channel power MOSFET. Typical applications:
- Switch‑mode power supplies and DC‑DC converters (buck/boost)
- Synchronous rectification in power converters
- Load switches with protection (current limit, reverse current)
- Motor drive and power‑electronics controllers
- Automotive/industrial power electronics and telecom power rails

Equivalent

Common 30 V, ultralow‐RDS(on) N-MOSFETs equivalent to AO4482 include:
• Diodes Inc. AOD4184
• TI CSD17574Q5B (or CSD17577Q5A)
• Vishay SiR642DP (SiR643DP)
• Infineon BSC310N04LS
• Nexperia PSMN3R6-30YL