What is the Additional Feature ?

Name: AO3402L
Brand: Alpha & Omega Semiconductor Inc.
SKU: AO3402L
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. AO3402L

Part No.:: AO3402L

Manufacturer:: Alpha & Omega Semiconductor Inc.

Package:: SOT-23-3

Datasheet:

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

In Stock:: 3254

Quantity:: Add To Cart

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AO3402L Specifications

Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
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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AO3402L information

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AO3402L Typical application Circuitry

AO3402L

The AO3402L is a P-Channel MOSFET, known for its efficient performance in power management and switching applications. This type of MOSFET is particularly useful in scenarios where low on-resistance and high-speed switching are necessary. It is widely used in power distribution systems, load switching, and as a component in power management modules in various electronic devices.

Application Scenarios

Load Switching in Battery-Powered Devices: In portable, battery-powered devices, the AO3402L is often used for load switching, controlling the power supplied to different parts of the device.

Parameter Features

- Low On-Resistance: This reduces power losses, enhancing overall efficiency, especially in high-current applications.

- High-Speed Switching: Suitable for applications that require rapid switching.

- Compact Footprint: Ideal for space-constrained applications such as portable electronic devices.

Circuit Connection Example

In a load-switching application for a battery-powered device, the AO3402L can be implemented as follows:

1. Source Pin Connection: Connect the source pin of the AO3402L 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 that needs to be controlled, like a part of the device's circuitry requiring a regulated power supply (e.g., an LED or sensor).

3. Gate Pin for Control: Link the gate pin to a control circuit, typically a microcontroller, which sends a voltage signal to switch the MOSFET on or off, thereby managing the power to the load.

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

Design Considerations

When designing a circuit with the AO3402L, consider the following:

- Thermal Management: Implement proper heat dissipation, as the AO3402L can generate heat, particularly when handling high currents.

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

- Load Characteristics: Understand the load to ensure the MOSFET can handle the required current and power levels without being overstressed.

- Protection Mechanisms: Implement protection against voltage spikes, excessive current, and reverse polarity to safeguard the MOSFET and other components in the circuit.

In summary, the AO3402L is a vital component in load-switching applications within battery-powered devices, offering efficient control of power distribution with its low on-resistance and high-speed switching capabilities. These features are essential for the effective and energy-efficient operation of modern electronic devices.

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3. Are the AO3402L price and inventory displayed accurate?

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6. What is the process for return or replacement of AO3402L?

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 AO3402L we delivered, we will accept the replacement or return of the AO3402L 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 AO3402L.

(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