Alpha & Omega Semiconductor Inc.
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AO4402
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AO4402

Product Overview

  • Category: Transistor
  • Use: Power management
  • Characteristics: High voltage, low on-resistance
  • Package: SOT-23
  • Essence: N-channel MOSFET
  • Packaging/Quantity: Reel, 3000 pieces

Specifications

  • Voltage Rating: 30V
  • Continuous Drain Current: 5.8A
  • On-Resistance: 27mΩ
  • Power Dissipation: 1.25W

Detailed Pin Configuration

The AO4402 has three pins: 1. Gate (G): Controls the flow of current between the source and drain. 2. Drain (D): Connects to the positive supply voltage. 3. Source (S): Connects to the ground.

Functional Features

  • Fast switching speed
  • Low gate charge
  • ESD protection
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • Efficient power management
  • Small package size
  • ESD protection for reliability

Disadvantages

  • Limited continuous drain current
  • Higher on-resistance compared to some alternatives

Working Principles

The AO4402 operates as a switch, controlling the flow of current between the source and drain based on the voltage applied to the gate pin. It is commonly used in power management applications to regulate or control the flow of power within a circuit.

Detailed Application Field Plans

The AO4402 is widely used in various applications such as: - Battery management systems - DC-DC converters - Motor control circuits - LED lighting

Detailed and Complete Alternative Models

Some alternative models to AO4402 include: - AO3400 - AO3401 - AO3402 - AO4401

In conclusion, the AO4402 N-channel MOSFET transistor offers efficient power management capabilities with its high voltage rating and low on-resistance. While it has limitations in terms of continuous drain current and on-resistance, its small package size and ESD protection make it a popular choice for various power management applications.

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10个与AO4402在技术解决方案中的应用相关的常见问题及解答

  1. What is AO4402?

    • AO4402 is a P-channel enhancement mode field-effect transistor (FET) commonly used in electronic circuits for switching and amplification.

  2. What are the typical applications of AO4402?

    • AO4402 is often used in power management, battery protection, load switching, and other low voltage applications.

  3. What is the maximum drain-source voltage for AO4402?

    • The maximum drain-source voltage for AO4402 is typically around -30V.

  4. What is the maximum continuous drain current for AO4402?

    • The maximum continuous drain current for AO4402 is usually around -5.6A.

  5. What is the on-resistance (RDS(on)) of AO4402?

    • The on-resistance of AO4402 is typically around 40mΩ.

  6. What are the key features of AO4402?

    • Some key features of AO4402 include low gate threshold voltage, low on-resistance, and fast switching speed.

  7. Can AO4402 be used for high-frequency applications?

    • AO4402 can be used for moderate frequency applications, but it may not be suitable for very high-frequency applications due to its intrinsic capacitance.

  8. Is AO4402 suitable for automotive applications?

    • Yes, AO4402 is often used in automotive applications such as power distribution and motor control.

  9. What are the typical operating temperature ranges for AO4402?

    • AO4402 is designed to operate within a temperature range of -55°C to 150°C.

  10. Are there any common failure modes associated with AO4402?

    • Common failure modes for AO4402 include overcurrent, overvoltage, and thermal stress, so proper circuit protection measures should be implemented.