ON Semiconductor
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FDB8445
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FDB8445: Product Overview and Specifications

Introduction

FDB8445 is a power MOSFET belonging to the category of electronic components. It is widely used in various electronic devices and systems due to its unique characteristics and performance.

Basic Information Overview

  • Category: Power MOSFET
  • Use: FDB8445 is used as a switching device in power supply applications, motor control, and other electronic circuits requiring high efficiency and low power dissipation.
  • Characteristics: It exhibits low on-state resistance, high current capability, and fast switching speed, making it suitable for high-frequency applications.
  • Package: The FDB8445 is typically available in a TO-263 package, which provides efficient heat dissipation.
  • Essence: Its essence lies in providing efficient power management and control in electronic circuits.
  • Packaging/Quantity: It is commonly available in reels containing a specific quantity based on manufacturer specifications.

Specifications

  • Voltage Rating: 80V
  • Current Rating: 180A
  • On-State Resistance: 1.8 mΩ
  • Gate Charge: 45nC
  • Operating Temperature Range: -55°C to 175°C
  • Package Type: TO-263

Detailed Pin Configuration

The FDB8445 typically consists of three pins: 1. Gate (G): Input pin for controlling the switching operation. 2. Drain (D): Output pin connected to the load or circuitry. 3. Source (S): Ground reference for the MOSFET.

Functional Features

  • Low On-State Resistance: Enables efficient power transfer with minimal loss.
  • High Current Capability: Suitable for high-power applications.
  • Fast Switching Speed: Facilitates rapid switching operations in electronic circuits.

Advantages and Disadvantages

Advantages

  • High efficiency in power management.
  • Low power dissipation.
  • Suitable for high-frequency applications.

Disadvantages

  • Sensitive to voltage and current spikes.
  • Requires careful consideration of driving circuitry to prevent damage.

Working Principles

FDB8445 operates based on the principles of field-effect transistors, where the gate voltage controls the flow of current between the drain and source terminals. When the gate voltage is applied, the MOSFET switches on, allowing current to flow through the device.

Detailed Application Field Plans

FDB8445 finds extensive application in the following fields: - Power Supplies: Used in switch-mode power supplies for efficient power conversion. - Motor Control: Employed in motor drive circuits for precise control and energy efficiency. - Inverters: Utilized in DC to AC converters for various industrial and consumer applications.

Detailed and Complete Alternative Models

  • IRF1405: A comparable power MOSFET with similar voltage and current ratings.
  • IXFH180N10T: Offers alternative specifications for specific application requirements.
  • STP180N8F7: Provides similar performance characteristics for diverse electronic designs.

In conclusion, FDB8445 serves as a crucial component in modern electronic systems, offering high-performance characteristics and versatile applications across various industries.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací FDB8445 v technických řešeních

  1. What is FDB8445?

    • FDB8445 is a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) used in electronic circuits for switching and amplification.

  2. What are the key specifications of FDB8445?

    • The key specifications of FDB8445 include a drain-source voltage of 40V, continuous drain current of 98A, and low on-resistance.

  3. How can FDB8445 be used in power supply designs?

    • FDB8445 can be used in power supply designs to control the flow of power and regulate voltage levels due to its high current handling capability and low on-resistance.

  4. In what types of applications is FDB8445 commonly used?

    • FDB8445 is commonly used in applications such as motor control, DC-DC converters, and automotive systems due to its high current handling and low on-resistance.

  5. What are the thermal considerations when using FDB8445 in a design?

    • Thermal considerations include proper heat sinking and thermal management to ensure that the MOSFET operates within its specified temperature range for optimal performance and reliability.

  6. How does FDB8445 contribute to improving efficiency in electronic circuits?

    • FDB8445's low on-resistance helps minimize power losses and improve overall efficiency in electronic circuits, especially in high-current applications.

  7. What are the typical operating conditions for FDB8445?

    • The typical operating conditions for FDB8445 include a maximum drain-source voltage of 40V, a continuous drain current of 98A, and an operating temperature range of -55°C to 175°C.

  8. Can FDB8445 be used in parallel configurations for higher current applications?

    • Yes, FDB8445 can be used in parallel configurations to handle higher currents, but proper attention should be given to current sharing and thermal management.

  9. What protection features does FDB8445 offer for circuit safety?

    • FDB8445 offers built-in protection against overcurrent, overvoltage, and thermal overload, enhancing circuit safety and reliability.

  10. Are there any application notes or reference designs available for integrating FDB8445 into technical solutions?

    • Yes, application notes and reference designs are available from the manufacturer to guide engineers in effectively integrating FDB8445 into various technical solutions.