AO4805

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AO4805

+BOM

MOSFET 2P-CH 30V 9A 8-SOIC

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
FETType 2 P-Channel (Dual)
FETFeature Logic Level Gate
DraintoSourceVoltage(Vdss) 30V
Current-ContinuousDrain(Id)@25°C 9A
RdsOn(Max)@IdVgs 19mOhm @ 8A, 10V
Vgs(th)(Max)@Id 2.8V @ 250µA
GateCharge(Qg)(Max)@Vgs 39nC @ 10V
InputCapacitance(Ciss)(Max)@Vds 2600pF @ 15V
Power-Max 2W
OperatingTemperature -55°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The AO4805 is a dual N-channel MOSFET from Alpha & Omega Semiconductor, designed for high-efficiency power management in compact applications. It features low on-resistance (RDS(on)) and fast switching, making it ideal for load switching, DC-DC conversion, and power distribution in devices like laptops, SSDs, and portable electronics.
Key specifications:
- Voltage Rating: 30V
- Current Rating: 6.5A per channel
- RDS(on): 28mΩ (max at VGS=10V)
- Package: SOIC-8 (space-saving)
Advantages include low gate charge for reduced switching losses and a thermally enhanced design. Its dual-channel configuration saves board space while providing reliable performance in synchronous rectification or bidirectional switching.
For detailed specs, refer to the datasheet.

Features

The AO4805 is a dual N-channel MOSFET in a compact SOIC-8 package, designed for high-efficiency power management. Key features include:
- Low On-Resistance (RDS(on)): Typically 20mΩ (VGS = 4.5V) and 28mΩ (VGS = 2.5V), reducing conduction losses.
- Low Gate Charge (Qg): ~8.5nC (typical), enabling fast switching and improved efficiency.
- Wide Voltage Range: Supports 20V drain-to-source voltage (VDS) and ±12V gate-to-source voltage (VGS).
- High Current Handling: Up to 6.5A continuous drain current per MOSFET.
- Logic-Level Compatible: Fully enhanced at 2.5V gate drive, suitable for low-voltage applications.
- Low Thermal Resistance: Optimized for heat dissipation in space-constrained designs.
Ideal for synchronous buck converters, load switches, and DC-DC conversion in portable electronics, power supplies, and battery management systems.

Manufacturer

The AO4805 is a dual N-channel MOSFET manufactured by Alpha & Omega Semiconductor (AOS), a U.S.-based company specializing in power semiconductors. Founded in 2000 and headquartered in Silicon Valley, AOS designs and produces power management ICs and MOSFETs for applications like computing, consumer electronics, and industrial systems. The company is known for its efficient, high-performance power solutions and operates global manufacturing facilities. The AO4805 is commonly used in power switching and voltage regulation circuits.

Application

The AO4805 is a dual N-channel MOSFET commonly used in:
1. Power Management – DC-DC converters, voltage regulation.
2. Load Switching – Battery protection, power distribution.
3. Motor Control – Small motor drivers in consumer electronics.
4. Portable Devices – Smartphones, tablets, and laptops for efficient power handling.
5. Automotive Systems – LED drivers and auxiliary power circuits.
Its low on-resistance and compact package make it ideal for space-constrained, high-efficiency applications.

Package

The AO4805 is a dual N-channel MOSFET available in a DFN3x3-8 package. This compact surface-mount package measures 3mm x 3mm with 8 leads, offering efficient thermal performance and space-saving design for power management applications. Its small footprint makes it suitable for high-density PCB layouts.

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