Alpha & Omega Semiconductor Inc.
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AO4818BL

AO4818BL

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High efficiency, low power consumption
Package: TO-220
Essence: MOSFET
Packaging/Quantity: Tube/50 units

Specifications

  • Voltage - Drain-Source Breakdown (Min): 30V
  • Current - Continuous Drain (Id) @ 25°C: 75A
  • Rds On (Max) @ Id, Vgs: 4.5 mOhm @ 37.5A, 10V
  • Vgs(th) (Max) @ Id: 2.35V @ 250µA
  • Gate Charge (Qg) @ Vgs: 60nC @ 10V
  • Input Capacitance (Ciss) @ Vds: 3600pF @ 15V

Detailed Pin Configuration

  1. Gate
  2. Drain
  3. Source

Functional Features

  • High current carrying capability
  • Low on-resistance
  • Fast switching speed
  • Low gate charge

Advantages and Disadvantages

Advantages: - High efficiency - Low power consumption - Fast switching speed

Disadvantages: - Sensitive to static electricity - Requires careful handling during installation

Working Principles

The AO4818BL is a MOSFET designed for power management applications. It operates by controlling the flow of current between the drain and source terminals based on the voltage applied to the gate terminal.

Detailed Application Field Plans

The AO4818BL is commonly used in various power management applications such as: - Switching power supplies - Motor control - Battery management systems - LED lighting

Detailed and Complete Alternative Models

  1. AO4822
  2. AO4800
  3. AO4435

In conclusion, the AO4818BL is a high-performance MOSFET suitable for power management applications due to its high efficiency, low power consumption, and fast switching speed. However, it requires careful handling due to its sensitivity to static electricity.

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Please let me know if you need any further information or modifications!

技術ソリューションにおける AO4818BL の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is AO4818BL?

    • AO4818BL 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 AO4818BL?

    • AO4818BL is often used in power management, battery protection, load switching, and other low voltage applications.

  3. What is the maximum drain-source voltage rating of AO4818BL?

    • The maximum drain-source voltage rating of AO4818BL is typically around -30V.

  4. What is the maximum continuous drain current of AO4818BL?

    • The maximum continuous drain current of AO4818BL is usually around -6A.

  5. What is the on-resistance (RDS(on)) of AO4818BL?

    • The on-resistance of AO4818BL is typically very low, around 20mΩ.

  6. Can AO4818BL be used for high-frequency applications?

    • AO4818BL is not specifically designed for high-frequency applications, but it can be used in low to moderate frequency circuits.

  7. Is AO4818BL suitable for automotive applications?

    • Yes, AO4818BL is often used in automotive electronics due to its low on-resistance and high reliability.

  8. Does AO4818BL require a heat sink for certain applications?

    • In high-power applications or when operating at high ambient temperatures, a heat sink may be necessary to dissipate heat effectively.

  9. What are the typical package types available for AO4818BL?

    • AO4818BL is commonly available in surface-mount packages such as DFN, SOIC, and DPAK.

  10. Are there any common failure modes associated with AO4818BL?

    • Common failure modes include overcurrent stress, overvoltage stress, and thermal overstress, so proper circuit protection and thermal management are important for reliable operation.