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Name: AO3402
Brand: Alpha & Omega Semiconductor Inc.
SKU: AO3402
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Alpha & Omega Semiconductor Inc. AO3402

Part No.:: AO3402

Manufacturer:: Alpha & Omega Semiconductor Inc.

Package:: SOT-23-3

Datasheet:: AO3402.pdf

Description:: MOSFET N-CH 30V 4A SOT23-3L

In Stock:: 608

Quantity:: Add To Cart

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AO3402 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Not For New Designs
FETType:
N-Channel
Technology:
MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss):
30 V
Current-ContinuousDrain(Id)@25°C:
4A (Ta)
DriveVoltage(MaxRdsOnMinRdsOn):
2.5V, 10V
RdsOn(Max)@IdVgs:
55mOhm @ 4A, 10V
Vgs(th)(Max)@Id:
1.4V @ 250µA
GateCharge(Qg)(Max)@Vgs:
4.34 nC @ 4.5 V
Vgs(Max):
±12V
InputCapacitance(Ciss)(Max)@Vds:
390 pF @ 15 V
FETFeature:
-
PowerDissipation(Max):
1.4W (Ta)
OperatingTemperature:
-55°C ~ 150°C (TJ)
MountingType:
Surface Mount

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AO3402 information

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AO3402 Typical application Circuitry

AO3402

The AO3402 is a P-Channel MOSFET, recognized for its efficiency in power management and switching applications. This MOSFET is often used in scenarios requiring low on-resistance and high-speed switching, such as power distribution systems, load switching, and as a switching element in various power management modules in electronic devices.

Application Scenarios

Power Management in Computing Devices: In computing devices like laptops and desktops, the AO3402 is commonly used for power management, controlling the distribution and regulation of power to different components.

Parameter Features

- Low On-Resistance: Reduces power losses, improving efficiency in high-current applications.

- High-Speed Switching: Suitable for applications that demand quick switching.

Circuit Connection Example

In a computing device's power management system, the AO3402 can be integrated as follows:

1. Source Pin Connection: Connect the source pin of the AO3402 to the positive power supply. In P-Channel MOSFETs, the source is typically connected to the higher potential.

2. Drain Pin to Load: Attach the drain pin to the load, which could be a component of the device's circuit requiring controlled power, like a microprocessor or memory module.

3. Gate Pin for Control: Link the gate pin to a control signal, often from a power management IC or microcontroller. This signal controls the MOSFET's on or off state, thereby managing the power flow to the load.

4. Gate Resistor: Include a resistor between the gate and the control signal source to limit inrush current and ensure stable operation of the MOSFET.

Design Considerations

When designing a circuit with the AO3402, consider the following:

- Thermal Management: Despite its efficiency, the AO3402 can generate heat, particularly when handling high currents. Adequate heat dissipation is necessary.

- Gate Drive Voltage: Ensure that the gate drive voltage is suitable to fully activate the MOSFET for efficient operation.

- Load Specifications: Be aware of the load's characteristics to ensure the MOSFET can handle the required current and power levels.

- Protection Mechanisms: Implement protection against overcurrent, voltage spikes, and reverse polarity to prevent damage to the MOSFET and other circuit components.

In summary, the AO3402 is crucial in power management systems within computing devices, where its low on-resistance and high-speed switching capabilities are essential for efficient and reliable power distribution and regulation.

AO3402 FAQ

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3. Are the AO3402 price and inventory displayed accurate?

The price and inventory of AO3402 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of AO3402?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the AO3402 we delivered, we will accept the replacement or return of the AO3402 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of AO3402.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations