Alpha & Omega Semiconductor Inc.
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AO4498L

AO4498L

Product Overview

Category: Integrated Circuit
Use: Power Management
Characteristics: High efficiency, low power consumption
Package: SOP-8
Essence: Power MOSFET and Schottky diode
Packaging/Quantity: 2500 pieces per reel

Specifications

  • Voltage Rating: 30V
  • Current Rating: 12A
  • RDS(ON): 6.5mΩ at VGS = 10V
  • Qg: 16nC
  • IDM: 48A

Detailed Pin Configuration

  1. Gate
  2. Drain
  3. Source
  4. N/C
  5. Source
  6. Drain
  7. Gate
  8. N/C

Functional Features

  • High efficiency due to low RDS(ON)
  • Fast switching speed
  • Low power consumption
  • Built-in Schottky diode for freewheeling protection

Advantages

  • Compact SOP-8 package
  • High current handling capability
  • Suitable for high-frequency applications

Disadvantages

  • Sensitive to static electricity
  • Limited voltage rating

Working Principles

The AO4498L is a power MOSFET with a built-in Schottky diode. It operates by controlling the flow of current between the drain and source terminals using the gate voltage. When the gate-source voltage is applied, the MOSFET allows current to flow through it, enabling efficient power management.

Detailed Application Field Plans

The AO4498L is commonly used in: - DC-DC converters - Power supplies - Motor control circuits - Battery management systems

Detailed and Complete Alternative Models

  1. AO4407A
    • Voltage Rating: 30V
    • Current Rating: 11A
    • RDS(ON): 17mΩ at VGS = 10V
    • Package: SOP-8
  2. AO4435
    • Voltage Rating: 30V
    • Current Rating: 12A
    • RDS(ON): 10mΩ at VGS = 10V
    • Package: SOP-8
  3. AO4468
    • Voltage Rating: 30V
    • Current Rating: 13A
    • RDS(ON): 8mΩ at VGS = 10V
    • Package: SOP-8

In conclusion, the AO4498L is a versatile power management IC with high efficiency and fast switching capabilities, making it suitable for various applications in power electronics.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням AO4498L у технічних рішеннях

Sure, here are 10 common questions and answers related to the application of AO4498L in technical solutions:

  1. What is the maximum drain-source voltage (VDS) of AO4498L?

    • The maximum drain-source voltage (VDS) of AO4498L is 30V.

  2. What is the continuous drain current (ID) of AO4498L?

    • The continuous drain current (ID) of AO4498L is 12A.

  3. What is the on-resistance (RDS(ON)) of AO4498L?

    • The on-resistance (RDS(ON)) of AO4498L is typically 9.5mΩ at VGS = 10V.

  4. What is the gate-source voltage (VGS) range for AO4498L?

    • The gate-source voltage (VGS) range for AO4498L is ±20V.

  5. What is the typical input capacitance (Ciss) of AO4498L?

    • The typical input capacitance (Ciss) of AO4498L is 2200pF.

  6. What is the typical output capacitance (Coss) of AO4498L?

    • The typical output capacitance (Coss) of AO4498L is 570pF.

  7. What is the typical reverse transfer capacitance (Crss) of AO4498L?

    • The typical reverse transfer capacitance (Crss) of AO4498L is 400pF.

  8. What is the operating temperature range for AO4498L?

    • The operating temperature range for AO4498L is -55°C to 150°C.

  9. Is AO4498L suitable for use in power management applications?

    • Yes, AO4498L is suitable for use in power management applications due to its high current and low on-resistance.

  10. Can AO4498L be used in battery protection circuits?

    • Yes, AO4498L can be used in battery protection circuits due to its low on-resistance and high drain-source voltage rating.

Let me know if you need further information on any of these questions!