What is the Additional Feature ?

Name: AOD4185
Brand: Alpha & Omega Semiconductor Inc.
SKU: AOD4185
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. AOD4185

Part No.:: AOD4185

Manufacturer:: Alpha & Omega Semiconductor Inc.

Package:: TO-252 (DPAK)

Datasheet:: AOD4185.pdf

Description:: MOSFET P-CH 40V 40A TO252

In Stock:: 21982

Quantity:: Add To Cart

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AOD4185 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
FETType:
P-Channel
Technology:
MOSFET (Metal Oxide)
DraintoSourceVoltage(Vdss):
40 V
Current-ContinuousDrain(Id)@25°C:
40A (Tc)
DriveVoltage(MaxRdsOnMinRdsOn):
4.5V, 10V
RdsOn(Max)@IdVgs:
15mOhm @ 20A, 10V
Vgs(th)(Max)@Id:
3V @ 250µA
GateCharge(Qg)(Max)@Vgs:
55 nC @ 10 V
Vgs(Max):
±20V
InputCapacitance(Ciss)(Max)@Vds:
2550 pF @ 20 V
FETFeature:
-
PowerDissipation(Max):
2.5W (Ta), 62.5W (Tc)
OperatingTemperature:
-55°C ~ 175°C (TJ)
MountingType:
Surface Mount

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AOD4185 information

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AOD4185 Typical application Circuitry

AOD4185

The AOD4185 is a type of MOSFET, specifically an N-Channel MOSFET, known for its efficiency in handling power in electronic circuits. It's commonly used where high power and fast switching are necessary. This article will discuss the functionality, application scenarios, parameter features of the AOD4185, and provide a detailed circuit implementation for a typical application, along with design considerations.

Functionality and Application Scenarios

1. DC-DC Converters: The AOD4185 is frequently used in DC-DC converters, which are essential for voltage regulation in various electronic devices.

2. Motor Control Circuits: It can also be found in motor control circuits, particularly in applications requiring high-speed switching.

Parameter Features

1. High Current Capability: The AOD4185 is capable of handling high currents, making it suitable for power-intensive applications.

2. Fast Switching Speed: It features fast switching speeds, which is crucial for efficiency in applications like motor control.

Application Circuit Design: DC-DC Converter in a Laptop

1. Circuit Objective: In a laptop, the AOD4185 can be used in a DC-DC converter circuit to regulate the voltage supplied to various components.

2. Pin Configuration: The Drain pin of AOD4185 connects to the input voltage source, the Source pin to the ground, and the Gate pin is controlled by a PWM (Pulse Width Modulation) signal.

3. PWM Control: A PWM controller regulates the Gate voltage, controlling the switching activity of AOD4185.

4. Drain-Source Connection: Ensure that the Drain pin is connected to the load, while the Source pin is connected to the ground.

5. Voltage Specifications: The gate-source voltage and the drain-source voltage should be within the limits specified for AOD4185.

Design Considerations

1. Thermal Management: Efficient heat dissipation is important, particularly in the compact environment of a laptop.

2. Circuit Protection: Implement overcurrent and overvoltage protection for the safety of AOD4185 and the entire circuit.

3. Gate Drive Circuitry: Optimize the gate drive circuit for precise and efficient control of AOD4185.

4. PCB Layout: A carefully planned PCB layout is crucial to minimize parasitic inductance and resistance in connections to AOD4185.

In summary, the AOD4185 is an N-Channel MOSFET well-suited for applications requiring efficient power handling and fast switching, such as in DC-DC converters within laptops. Its ability to handle high currents and its fast switching capabilities make it an ideal choice for such applications. Key design considerations include thermal management, circuit protection, gate drive optimization, and careful PCB layout planning.

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6. What is the process for return or replacement of AOD4185?

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 AOD4185 we delivered, we will accept the replacement or return of the AOD4185 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 AOD4185.

(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