Alpha & Omega Semiconductor Inc.
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AO4803A
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AO4803A

Product Overview

Category: Integrated Circuit
Use: Power Management IC
Characteristics: High efficiency, compact design
Package: SOP-8
Essence: Voltage regulator
Packaging/Quantity: Tape & Reel, 2500 units

Specifications

  • Input Voltage: 4.5V to 18V
  • Output Voltage: 0.8V to 6V
  • Output Current: 3A
  • Switching Frequency: 1.2MHz
  • Operating Temperature: -40°C to 85°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. FB (Feedback)
  5. COMP (Compensation)
  6. SS (Soft Start)
  7. SW (Switch)
  8. VOUT (Output Voltage)

Functional Features

  • High Efficiency
  • Wide Input Voltage Range
  • Overcurrent Protection
  • Thermal Shutdown Protection
  • Adjustable Output Voltage

Advantages and Disadvantages

Advantages: - Compact Design - High Efficiency - Wide Input Voltage Range

Disadvantages: - Limited Output Current - Sensitive to EMI

Working Principles

The AO4803A is a voltage regulator that takes an input voltage and regulates it to a stable output voltage. It uses a switching regulator topology to achieve high efficiency and can handle a wide range of input voltages.

Detailed Application Field Plans

The AO4803A is suitable for various applications including: - Portable Devices - Industrial Equipment - Automotive Electronics - LED Lighting

Detailed and Complete Alternative Models

  1. LM2675
  2. LT1763
  3. TPS54360

In conclusion, the AO4803A is a versatile power management IC with a wide range of applications and a focus on high efficiency and compact design.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av AO4803A i tekniska lösningar

  1. What is AO4803A?

    • AO4803A is a dual N-channel enhancement mode Field Effect Transistor (FET) designed for use in power management applications.

  2. What is the typical operating voltage range for AO4803A?

    • The typical operating voltage range for AO4803A is between 2.5V and 20V.

  3. What is the maximum drain current of AO4803A?

    • The maximum drain current of AO4803A is 8A.

  4. What are the typical applications of AO4803A?

    • AO4803A is commonly used in battery management, power supplies, load switches, and other power management solutions.

  5. What is the on-resistance of AO4803A?

    • The on-resistance of AO4803A is typically around 10mΩ.

  6. Is AO4803A suitable for high-frequency switching applications?

    • Yes, AO4803A is suitable for high-frequency switching due to its low on-resistance and fast switching characteristics.

  7. Does AO4803A have built-in protection features?

    • Yes, AO4803A has built-in overcurrent protection and thermal shutdown features to ensure safe operation.

  8. What is the package type of AO4803A?

    • AO4803A is available in a standard SOP-8 package.

  9. Can AO4803A be used in automotive applications?

    • Yes, AO4803A is suitable for automotive applications, as it meets the necessary quality and reliability standards.

  10. Where can I find the detailed datasheet for AO4803A?

    • The detailed datasheet for AO4803A can be found on the manufacturer's website or through authorized distributors.